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Core Concepts

Adequate Determinism
Agent-Causality
Alternative Possibilities
Causa Sui
Causal Closure
Causality
Certainty
Chance
Chance Not Direct Cause
Chaos Theory
The Cogito Model
Compatibilism
Complexity
Comprehensive   Compatibilism
Conceptual Analysis
Control
Could Do Otherwise
Creativity
Default Responsibility
De-liberation
Determination
Determination Fallacy
Determinism
Disambiguation
Double Effect
Either Way
Emergent Determinism
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Ethical Fallacy
Experimental Philosophy
Extreme Libertarianism
Event Has Many Causes
Frankfurt Cases
Free Choice
Freedom of Action
"Free Will"
Free Will Axiom
Free Will in Antiquity
Free Will Mechanisms
Free Will Requirements
Free Will Theorem
Future Contingency
Hard Incompatibilism
Idea of Freedom
Illusion of Determinism
Illusionism
Impossibilism
Incompatibilism
Indeterminacy
Indeterminism
Infinities
Laplace's Demon
Libertarianism
Liberty of Indifference
Libet Experiments
Luck
Master Argument
Modest Libertarianism
Moral Necessity
Moral Responsibility
Moral Sentiments
Mysteries
Naturalism
Necessity
Noise
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Random When?/Where?
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Refutations
Replay
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Same Circumstances
Scandal
Science Advance Fallacy
Second Thoughts
Self-Determination
Semicompatibilism
Separability
Soft Causality
Special Relativity
Standard Argument
Supercompatibilism
Superdeterminism
Taxonomy
Temporal Sequence
Tertium Quid
Torn Decision
Two-Stage Models
Ultimate Responsibility
Uncertainty
Up To Us
Voluntarism

Philosophers

Mortimer Adler
Rogers Albritton
Alexander of Aphrodisias
Samuel Alexander
G.E.M.Anscombe
Anselm
Louise Antony
Thomas Aquinas
Aristotle
David Armstrong
Harald Atmanspacher
Augustine
J.L.Austin
A.J.Ayer
Alexander Bain
Mark Balaguer
Jeffrey Barrett
William Belsham
Henri Bergson
Isaiah Berlin
Bernard Berofsky
Robert Bishop
Susanne Bobzien
Emil du Bois-Reymond
Hilary Bok
George Boole
Émile Boutroux
F.H.Bradley
C.D.Broad
C.A.Campbell
Joseph Keim Campbell
Carneades
Ernst Cassirer
David Chalmers
Roderick Chisholm
Chrysippus
Cicero
Randolph Clarke
Samuel Clarke
Anthony Collins
Antonella Corradini
Diodorus Cronus
Jonathan Dancy
Donald Davidson
Mario De Caro
Democritus
Daniel Dennett
Jacques Derrida
René Descartes
Richard Double
Fred Dretske
John Dupré
John Earman
Laura Waddell Ekstrom
Epictetus
Epicurus
Herbert Feigl
John Martin Fischer
Owen Flanagan
Luciano Floridi
Philippa Foot
Alfred Fouilleé
Harry Frankfurt
Richard L. Franklin
Michael Frede
Carl Ginet
Nicholas St. John Green
H.Paul Grice
Ian Hacking
Ishtiyaque Haji
Stuart Hampshire
W.F.R.Hardie
William Hasker
R.M.Hare
Georg W.F. Hegel
Martin Heidegger
R.E.Hobart
Thomas Hobbes
David Hodgson
Shadsworth Hodgson
Ted Honderich
Pamela Huby
David Hume
Ferenc Huoranszki
William James
Lord Kames
Robert Kane
Immanuel Kant
Tomis Kapitan
Jaegwon Kim
William King
Christine Korsgaard
Andrea Lavazza
Keith Lehrer
Gottfried Leibniz
Leucippus
Michael Levin
George Henry Lewes
C.I.Lewis
David Lewis
Peter Lipton
John Locke
Michael Lockwood
E. Jonathan Lowe
John R. Lucas
Lucretius
James Martineau
Storrs McCall
Hugh McCann
Colin McGinn
Michael McKenna
Brian McLaughlin
Paul E. Meehl
Uwe Meixner
Alfred Mele
John Stuart Mill
Dickinson Miller
G.E.Moore
C. Lloyd Morgan
Thomas Nagel
Friedrich Nietzsche
John Norton
P.H.Nowell-Smith
Robert Nozick
William of Ockham
Timothy O'Connor
David F. Pears
Charles Sanders Peirce
Derk Pereboom
Steven Pinker
Plato
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Huw Price
H.A.Prichard
Hilary Putnam
Willard van Orman Quine
Frank Ramsey
Ayn Rand
Thomas Reid
Charles Renouvier
Nicholas Rescher
C.W.Rietdijk
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Josiah Royce
Bertrand Russell
Paul Russell
Gilbert Ryle
Kenneth Sayre
T.M.Scanlon
Moritz Schlick
Arthur Schopenhauer
John Searle
Wilfrid Sellars
Henry Sidgwick
Walter Sinnott-Armstrong
J.J.C.Smart
Saul Smilansky
Michael Smith
L. Susan Stebbing
George F. Stout
Galen Strawson
Peter Strawson
Eleonore Stump
Richard Taylor
Kevin Timpe
Mark Twain
Peter van Inwagen
Manuel Vargas
John Venn
Kadri Vihvelin
Voltaire
G.H. von Wright
David Foster Wallace
R. Jay Wallace
W.G.Ward
Ted Warfield
Roy Weatherford
William Whewell
Alfred North Whitehead
David Widerker
David Wiggins
Bernard Williams
Ludwig Wittgenstein
Susan Wolf

Scientists

Michael Arbib
Bernard Baars
John S. Bell
Charles Bennett
Ludwig von Bertalanffy
Susan Blackmore
Margaret Boden
David Bohm
Niels Bohr
Ludwig Boltzmann
Emile Borel
Max Born
Walther Bothe
Hans Briegel
Leon Brillouin
Stephen Brush
Henry Thomas Buckle
Donald Campbell
Anthony Cashmore
Eric Chaisson
Jean-Pierre Changeux
Arthur Holly Compton
John Conway
E. H. Culverwell
Charles Darwin
Terrence Deacon
Max Delbrück
Abraham de Moivre
Paul Dirac
Hans Driesch
John Eccles
Arthur Stanley Eddington
Paul Ehrenfest
Albert Einstein
Hugh Everett, III
Franz Exner
Richard Feynman
Joseph Fourier
Michael Gazzaniga
GianCarlo Ghirardi
Nicolas Gisin
Paul Glimcher
Thomas Gold
A.O.Gomes
Brian Goodwin
Joshua Greene
Jacques Hadamard
Stuart Hameroff
Patrick Haggard
Augustin Hamon
Sam Harris
Martin Heisenberg
Werner Heisenberg
William Stanley Jevons
Pascual Jordan
Simon Kochen
Stephen Kosslyn
Ladislav Kovàč
Rolf Landauer
Alfred Landé
Pierre-Simon Laplace
David Layzer
Benjamin Libet
Hendrik Lorentz
Josef Loschmidt
Ernst Mach
Henry Margenau
James Clerk Maxwell
Ernst Mayr
Ulrich Mohrhoff
Jacques Monod
Wolfgang Pauli
Massimo Pauri
Roger Penrose
Steven Pinker
Max Planck
Susan Pockett
Henri Poincaré
Daniel Pollen
Ilya Prigogine
Hans Primas
Adolphe Quételet
Jerome Rothstein
David Ruelle
Erwin Schrödinger
Aaron Schurger
Claude Shannon
Herbert Simon
Dean Keith Simonton
B. F. Skinner
Roger Sperry
Henry Stapp
Antoine Suarez
Leo Szilard
William Thomson (Kelvin)
Peter Tse
John von Neumann
Daniel Wegner
Steven Weinberg
Paul A. Weiss
Norbert Wiener
Eugene Wigner
E. O. Wilson
H. Dieter Zeh
Ernst Zermelo
Wojciech Zurek

 
Two-Stage Models for Free Will
In our history of the free will problem, we have found several great thinkers who have developed two-stage solutions to the classical problem of free will, among them William James, Henri Poincaré, Jacques Hadamard, Arthur Holly Compton, Karl Popper, Daniel Dennett, Henry Margenau, Robert Kane, David Sedley and Anthony Long, Roger Penrose, David Layzer, Julia Annas, Alfred Mele, John Martin Fischer, Stephen Kosslyn, Storrs McCall and E. J. Lowe, John Searle, Uwe Meixner, and Martin Heisenberg.
The first two-stage model, by William James (1884)
The genius of the Jamesian picture of free will is that indeterminism is the source for what James calls "alternative possibilities" and "ambiguous futures." The chance generation of such alternative possibilities for action does not in any way limit his choice to one of them. Notice that for James chance is not the direct cause of actions. James makes it clear that it is his choice that “grants consent” to one of them.

In 1884, James asked some Harvard Divinity School students to consider his choice for walking home after his talk.

"What is meant by saying that my choice of which way to walk home after the lecture is ambiguous and matter of chance?...It means that both Divinity Avenue and Oxford Street are called but only one, and that one either one, shall be chosen."
With this simple example, James was the first thinker to enunciate clearly a two-stage decision process, with chance in a present time of random alternatives, leading to a choice which grants consent to one possibility and transforms an equivocal ambiguous future into an unalterable and simple past. There is a temporal sequence of undetermined alternative possibilities followed by an adequately determined choice where chance is no longer a factor.

James also asked the students to imagine his actions repeated in exactly the same circumstances, a condition which is regarded today as one of the great challenges to libertarian free will. In the following passage, James anticipates much of modern philosophical modal reasoning and physical theories of multiple universes.

"Imagine that I first walk through Divinity Avenue, and then imagine that the powers governing the universe annihilate ten minutes of time with all that it contained, and set me back at the door of this hall just as I was before the choice was made. Imagine then that, everything else being the same, I now make a different choice and traverse Oxford Street. You, as passive spectators, look on and see the two alternative universes,--one of them with me walking through Divinity Avenue in it, the other with the same me walking through Oxford Street. Now, if you are determinists you believe one of these universes to have been from eternity impossible: you believe it to have been impossible because of the intrinsic irrationality or accidentality somewhere involved in it. But looking outwardly at these universes, can you say which is the impossible and accidental one, and which the rational and necessary one? I doubt if the most ironclad determinist among you could have the slightest glimmer of light on this point."

James’s two-stage model effectively separates chance (the indeterministic free element) from choice (an arguably determinate decision that follows causally from one’s character, values, and especially feelings and desires at the moment of decision). In The Principles of Psychology, James said there were five types of decision. In the first, the reasonable type,

"arguments for and against a given course seem to settle themselves in the mind and to end by leaving a clear balance in favor of one alternative…. In this easy transition from doubt to assurance we seem to ourselves almost passive; the reasons which decide us appearing to flow in from the nature of things, and to owe nothing to our will. We have, however, a perfect sense of being free, in that we are devoid of any feeling of coercion…. It may be said in general that a great part of every deliberation consists in the turning over of all the possible modes of conceiving the doing or not doing of the act in point. The moment we hit upon a conception which lets us apply some principle of action which is a fixed and stable part of our Ego, our state of doubt is at an end."
Where do the alternative possibilities for action come from? From past experiences - initially involuntary and later from observing the experiences of others, all of these the results of chance - we build up a stock of possibilities in our memory.
"We learn all our possibilities by the way of experience. When a particular movement, having once occurred in a random, reflex, or involuntary way, has left an image of itself in the memory, then the movement can be desired again, proposed as an end, and deliberately willed.

"A supply of ideas of the various movements that are possible left in the memory by experiences of their involuntary performance is thus the first prerequisite of the voluntary life."

In the fifth kind of decision, James sees room for creativity that allows us to do something beyond what the given reasons would logically imply. Note that in a deterministic universe, there are no genuinely new creative acts. Determinism is "information-preserving." There is "nothing new under the sun."
"In the fifth and final type of decision, the feeling that the evidence is all in, and that reason has balanced the books, may be either present or absent. But in either case we feel, in deciding, as if we ourselves by our own wilful act inclined the beam; in the former case by adding our living effort to the weight of the logical reason which, taken alone, seems powerless to make the act discharge; in the latter by a kind of creative contribution of something instead of a reason which does a reason's work."

James was the only thinker with such a model in the nineteenth century. In the twentieth and twenty-first, eight more philosophers and scientists and two classicists, mostly independent of one another, and apparently unaware of James work, devised similar two-stage models that separate "free" from "will." They include the French mathematician and scientist Henri Poincaré (about 1906), the physicist Arthur Holly Compton (1931, 1955), the philosopher Karl Popper (1965, 1977), the physicist and philosopher Henry Margenau (1968, 1982), the philosophers Daniel Dennett (1978), Robert Kane (1984), the classicists Anthony Long and David Sedley (1987), Alfred Mele (1995), and most recently, the neurogeneticist and biologist Martin Heisenberg (2009), son of the physicist Werner Heisenberg.

The Two-Stage Model of Henri Poincaré (1906)
Henri Poincaré was called the "last universalist" because he was a great contributor to so many fields in mathematics, but his work was also broad in physics, philosophy, and psychology. William James read Poincaré and the great thinker knew James work, but there is no sign of direct influence.

Poincaré speculated on how his mind works when he is solving mathematical problems. He had the critical insight that random combinations and possibilities are generated, some in an unconscious way with chance involved, then they are selected among, perhaps initially also by an unconscious process, but then by a definite conscious process of validation.

"It is certain that the combinations which present themselves to the mind in a kind of sudden illumination after a somewhat prolonged period of unconscious work are generally useful and fruitful combinations… all the combinations are formed as a result of the automatic action of the subliminal ego, but those only which are interesting find their way into the field of consciousness… A few only are harmonious, and consequently at once useful and beautiful, and they will be capable of affecting the geometrician's special sensibility I have been speaking of; which, once aroused, will direct our attention upon them, and will thus give them the opportunity of becoming conscious… In the subliminal ego, on the contrary, there reigns what I would call liberty, if one could give this name to the mere absence of discipline and to disorder born of chance."
Poincaré was thus the second thinker to propose the two-stage process of random alternatives followed by selection of one choice.

The Two-Stage Model of Jacques Hadamard (1945)

In his 1945 book Psychology of Invention in the Mathematical Field, Hadamard described the Synthèse conference in Paris in 1936 to study creativity. In Chapter III, Hadamard described how the combination of random ideas could lead to a choice of the best combination. Chance alone is not enough.

...it is obvious that invention or discovery, be it in mathematics or anywhere else, takes place by combining ideas.

However, to find these, it has been necessary to construct the very numerous possible combinations, among which the useful ones are to be found.

It cannot be avoided that this first operation take place, to a certain extent, at random, so that the role of chance is hardly doubtful in this first step of the mental process.

It is obvious that this first process, this building up of numerous combinations, is only the beginning of creation, even, as we should say, preliminary to it...Invention is discernment, choice.

To Invent Is to Choose. This very remarkable conclusion appears the more striking if we compare it with what Paul Valéry writes in the Nouvelle Revue Française: "It takes two to invent anything. The one makes up combinations; the other one chooses, recognizes what he wishes and what is important to him in the mass of the things which the former has imparted to him.

"What we call genius is much less the work of the first one than the readiness of the second one to grasp the value of what has been laid before him and to choose it."

Cogito and Intelligo
In an important footnote to these thoughts, Hadamard mentions that Max Müller observed that the Latin verb "cogito," for "to think," etymologically means "to shake together." St. Augustine had already noticed that and also observed that "intelligo" means to "select among," In a curious connection with what we say in the text.

The Two-Stage Model of Arthur Holly Compton (1931, 1955)
In 1931, Nobel prize-winning physicist Compton championed the idea of human freedom based on quantum uncertainty and invented the notion of amplification of microscopic quantum events to bring chance into the macroscopic world. In his somewhat bizarre mechanism, he imagined sticks of dynamite attached to his amplifier, anticipating the Schrödinger's Cat paradox.

Years later, Compton clarified the two-stage nature of his idea in an Atlantic Monthly article in 1955.

"A set of known physical conditions is not adequate to specify precisely what a forthcoming event will be. These conditions, insofar as they can be known, define instead a range of possible events from among which some particular event will occur. When one exercises freedom, by his act of choice he is himself adding a factor not supplied by the physical conditions and is thus himself determining what will occur. That he does so is known only to the person himself. From the outside one can see in his act only the working of physical law. It is the inner knowledge that he is in fact doing what he intends to do that tells the actor himself that he is free."

The Two-Stage Model of Karl Popper (1965, 1977)
Compton's work was no doubt closely read by philosopher Karl Popper, especially when Popper was selected to give the first Arthur Holly Compton Memorial Lecture in 1965. At first Popper dismissed quantum mechanics as being no help with free will, but later he describes a two-stage model that parallels Darwinian evolution, with genetic mutations being probabilistic and involving quantum uncertainty. In his Compton lectures, he criticizes Compton’s amplifier idea
"The idea that the only alternative to determinism is just sheer chance was taken over by Schlick, together with many of his views on the subject, from Hume, who asserted that
'the removal' of what he called 'physical necessity' must always result in 'the same thing with chance. As objects must either be conjoin'd or not, . . . 'tis impossible to admit of any medium betwixt chance and an absolute necessity'.
"I shall later argue against this important doctrine according to which the alternative to determinism is sheer chance. Yet I must admit that the doctrine seems to hold good for the quantum-theoretical models which have been designed to explain, or at least to illustrate, the possibility of human freedom. This seems to be the reason why these models are so very unsatisfactory.

"Compton himself designed such a model, though he did not particularly like it. It uses quantum indeterminacy, and the unpredictability of a quantum jump, as a model of a human decision of great moment. It consists of an amplifier which amplifies the effect of a single quantum jump in such a way that it may either cause an explosion or destroy the relay necessary for bringing the explosion about. In this way one single quantum jump may be equivalent to a major decision. But in my opinion the model has no similarity to any rational decision, being probabilistic and involving quantum uncertainty.

"Hume's and Schlick's ontological thesis that there cannot exist anything intermediate between chance and determinism seems to me not only highly dogmatic (not to say doctrinaire) but clearly absurd; and it is understandable only on the assumption that they believed in a complete determinism in which chance has no status except as a symptom of our ignorance."

Popper called for a combination of randomness and control to explain freedom, though not yet explicitly in two stages with random chance before the controlled decision.
"freedom is not just chance but, rather, the result of a subtle interplay between something almost random or haphazard, and something like a restrictive or selective control."
In his 1977 book with John Eccles, The Self and its Brain, Popper finally formulates the two-stage model in a temporal sequence, and makes the comparison with evolution and natural selection,
"New ideas have a striking similarity to genetic mutations. Now, let us look for a moment at genetic mutations. Mutations are, it seems, brought about by quantum theoretical indeterminacy (including radiation effects). Accordingly, they are also probabilistic and not in themselves originally selected or adequate, but on them there subsequently operates natural selection which eliminates inappropriate mutations. Now we could conceive of a similar process with respect to new ideas and to free-will decisions, and similar things.

"That is to say, a range of possibilities is brought about by a probabilistic and quantum mechanically characterized set of proposals, as it were - of possibilities brought forward by the brain. On these there then operates a kind of selective procedure which eliminates those proposals and those possibilities which are not acceptable to the mind."

In 1977 Popper gave the first Darwin Lecture, at Darwin College, Cambridge. He called it Natural Selection and the Emergence of Mind. In it he said he had changed his mind (a rare admission by a philosopher) about two things. First he now thought that natural selection was not a "tautology" that made it an unfalsifiable theory. Second, he had come to accept the random variation and selection of ideas as a model of free will.

The selection of a kind of behavior out of a randomly offered repertoire may be an act of choice, even an act of free will. I am an indeterminist; and in discussing indeterminism I have often regretfully pointed out that quantum indeterminacy does not seem to help us;1 for the amplification of something like, say, radioactive disintegration processes would not lead to human action or even animal action, but only to random movements.

This is now the leading two-stage model of free will.
I have changed my mind on this issue.2 A choice process may be a selection process, and the selection may be from some repertoire of random events, without being random in its turn. This seems to me to offer a promising solution to one of our most vexing problems, and one by downward causation.

The Two-Stage Model of Henry Margenau (1968, 1982)
In 1968, physicist Margenau was invited to give the Wimmer Lecture at St. Vincent College in Pennsylvania. His topic was Scientific Indeterminism and Human Freedom. Margenau embraced indeterminism as the first step toward a solution of the problem of human freedom.

Then in 1982, with co-author Lawrence LeShan, Margenau called his model of free will a "solution" to what had heretofore had been seen as mere "paradox and illusion." He very neatly separates "free" and "will" in a temporal sequence, as William James had done, naming them simply "chance" followed by "choice."

"Our thesis is that quantum mechanics leaves our body, our brain, at any moment in a state with numerous (because of its complexity we might say innumerable) possible futures, each with a predetermined probability. Freedom involves two components: chance (existence of a genuine set of alternatives) and choice. Quantum mechanics provides the chance, and we shall argue that only the mind can make the choice by selecting (not energetically enforcing) among the possible future courses."

The Two-Stage Model of Daniel Dennett (1978)
While he is a confirmed compatibilist, in On Giving Libertarians What They Say They Want - Chapter 15 of his 1978 book Brainstorms - Tufts philosopher Daniel Dennett articulated the case for a two-stage model of free will better than any libertarian.

Dennett named his model of decision-making "Valerian" after the poet Paul Valery, who took part in a 1936 conference in Paris with Jacques Hadamard. The conference focused on Henri Poincare’s two-stage approach to problem solving, in which the unconscious generates random combinations. In his book, The Psychology of Invention in the Mathematical Mind, Hadamard quoted Valery (as did Dennett later ), summarizing the conference opinion,

"It takes two to invent anything. The one makes up combinations; the other one chooses, recognizes what is important to him in the mass of things which the former has imparted to him."
Although Valery describes two persons, this is clearly William James's temporal sequence of random chance (“free”) followed by a determining choice (“will”). For James, chance and choice are part of a single mind. This two-stage mind model is better named "Jamesian" free will.

Dennett makes his version of a two-stage model very clear. And he defends it with six excellent reasons. His arguments are more persuasive than any other philosopher or scientist, including William James himself. Ironically, Dennett remains a firm believer in determinism and calls himself a compatibilist.

"The model of decision making I am proposing has the following feature: when we are faced with an important decision, a consideration-generator whose output is to some degree undetermined produces a series of considerations, some of which may of course be immediately rejected as irrelevant by the agent (consciously or unconsciously). Those considerations that are selected by the agent as having a more than negligible bearing on the decision then figure in a reasoning process, and if the agent is in the main reasonable, those considerations ultimately serve as predictors and explicators of the agent's final decision."
Dennett gives his reasons why this is the kind of free will that libertarians say they want.
1. "First...The intelligent selection, rejection, and weighing of the considerations that do occur to the subject is a matter of intelligence making the difference."

2. "Second, I think it installs indeterminism in the right place for the libertarian, if there is a right place at all."

3. "Third...from the point of view of biological engineering, it is just more efficient and in the end more rational that decision making should occur in this way."

4. "A fourth observation in favor of the model is that it permits moral education to make a difference, without making all of the difference."

5. "Fifth - and I think this is perhaps the most important thing to be said in favor of this model - it provides some account of our important intuition that we are the authors of our moral decisions."

6. "Finally, the model I propose points to the multiplicity of decisions that encircle our moral decisions and suggests that in many cases our ultimate decision as to which way to act is less important phenomenologically as a contributor to our sense of free will than the prior decisions affecting our deliberation process itself: the decision, for instance, not to consider any further, to terminate deliberation; or the decision to ignore certain lines of inquiry.

"These prior and subsidiary decisions contribute, I think, to our sense of ourselves as responsible free agents, roughly in the following way: I am faced with an important decision to make, and after a certain amount of deliberation, I say to myself: "That's enough. I've considered this matter enough and now I'm going to act," in the full knowledge that I could have considered further, in the full knowledge that the eventualities may prove that I decided in error, but with the acceptance of responsibility in any case."

The Two-Stage Model of Robert Kane, (1984)
In his 1985 book Free Will and Values Kane carefully considered the work of Compton, Popper, Eccles, and Dennett. He developed his own two-stage model in the book but in the end he did not endorse it because it "did not go far enough."

Kane was actually quite bleak about the possibilities for a satisfactory libertarian model. He felt

"that any construction which escaped confusion and emptiness was likely to fall short of some libertarian aspirations - aspirations that I believe cannot ultimately be fulfilled." (p.165)

His model was a choice between "relativistic alternatives." The choice was in part rational and in part random. It could be explained by the agent giving his reasons. Even if the choice is by chance,

"the agent has agreed beforehand to accept the chance selected outcome and to endorse reasons for it in a special way. That is, the selection is going to be 'willed to be so' on a provisional basis by the agent, whichever way it goes." (p.96)
Kane hoped to combine some rationality with some freedom in this model, so both determinists and libertarians would be happy. Unfortunately, neither was happy.

Although the two-stage model of earlier thinkers is an "essential and important part" of any adequate libertarian conception of free will, it does not go far enough because it does not fully capture the notion of ultimate responsibility (Kane's UR) during rare "self-forming actions (SFAs). It is merely a "significant piece in the overall puzzle of a libertarian freedom." (p.104)

"The reason is that the chance ("free") part is not in the control of the agent and the "will" part is fully determined by a combination of the chance part and other determining factors, so the final choice is determined by factors, none of which the agent has control over at the time of choice. If all of our choices are determined at the time of choice that would not be libertarian freedom even if some chance events in the past were responsible for forming some of the determining factors that now determine our choice because however the determining factors were formed in the past, all of our choices would be determined when they are made." (personal communication)
Kane wants what he calls "dual rational control" which is the ability to choose otherwise in exactly the same circumstances. He mistakenly thinks that this requires some randomness in the decision itself.

Perhaps more important, Kane wants free choices to be "moral choices." This we believe is an ethical fallacy. Free will is a prerequisite for responsibility in the sense of accountability, the extent to which the agent's actions are in the causal chain of actions. That is an empirical question. moral responsibility is an ethical question. We must not confuse "ought" with "is."

Kane's latest suggestion for his occasional self-forming actions argues that the tension and uncertainty in our minds stirs up "chaos" that is sensitive to micro-indeterminacies at the neuronal level.

All free acts do not have to be undetermined on the libertarian view, but only those acts by which we made ourselves into the kinds of persons we are, namely the "will-setting" or "self-forming actions" (SFAs) that are required for ultimate responsibility. (p.26)

Now I believe these undetermined self-forming actions or SFAs occur at those difficult times of life when we are torn between competing visions of what we should do or become. Perhaps we are torn between doing the moral thing or acting from ambition, or between powerful present desires and long-term goals, or we are faced with difficult tasks for which we have aversions.

note that SFAs are cases of the "liberty of indifference"
In all such cases, we are faced with competing motivations and have to make an effort to overcome temptation to do something else we also strongly want. There is tension and uncertainty in our minds about what to do at such times, I suggest, that is reflected in appropriate regions of our brains by movement away from thermodynamic equilibrium — in short, a kind of "stirring up of chaos" in the brain that makes it sensitive to micro-indeterminacies at the neuronal level. The uncertainty and inner tension we feel at such soul-searching moments of self-formation is thus reflected in the indeterminacy of our neural processes themselves. What we experience internally as uncertainty about what to do on such occasions would then correspond physically to the opening of a window of opportunity that temporarily screens off complete determination by influences of the past. (p.26)

But Kane wants to keep his rationality and control at the same time as his chance element, just as he has argued since the 1980's.

"Just as indeterminism need not undermine rationality and voluntariness of choices, so indeterminism in and of itself need not undermine control and responsibility. (p.27)

"If indeterminism is involved in a process so that its outcome is undetermined, one might argue that the outcome must merely happen and therefore cannot be somebody's choice. But there is no reason to assume such a claim is true. A choice is the formation of an intention or purpose to do something. It resolves uncertainty and indecision in the mind about what to do. Nothing in such a description implies that there could not be some indeterminism in the deliberation and neural processes of an agent preceding choice corresponding to the agent's prior uncertainty about what to do. Recall from the preceding arguments that the presence of indeterminism does not mean the outcome happened merely by chance and not by the agent's effort. Self-forming choices are undetermined, but not uncaused. They are caused by the agent's efforts. (p.33)

So does Kane see that the determining element is the agent's final choice? Since he is primarily interested in cases of "liberty of indifference," the strong indeterminism might raise the objection of loss of control, but Kane says the agent can beforehand decide to assume reponsibility whichever way she randomly chose. This seems more like rationalization than reason, but Kane defends it.

"Suppose we were to say to such persons: 'But look, you didn't have sufficient or conclusive prior reasons for choosing as you did since you also had viable reasons for choosing the other way.' They might reply. 'True enough. But I did have good reasons for choosing as I did, which I'm willing to stand by and take responsibility for. If these reasons were not sufficient or conclusive reasons, that's because, like the heroine of the novel, I was not a fully formed person before I chose (and still am not, for that matter). Like the author of the novel, I am in the process of writing an unfinished story and forming an unfinished character who, in my case, is myself.'" (p.41-2)

The Two-Stage Model of David Sedley and Anthony Long (1987)
David Sedley and Anthony Long speculated in their masterwork The Hellenistic Philosophers that Epicurus' swerve of the atoms might be limited to providing undetermined alternative possibilities for action, from which the mind's power of volition could choose in a way that reflects character and values, desires and feelings.
Here at last a significant role for the swerve leaps to the eye. For it is to answer just this question, according to Cicero, that the swerve was introduced. The evident power of the self and its volitions to intervene in the physical processes of soul and body would be inexplicable if physical laws alone were sufficient to determine the precise trajectory of every atom. Therefore physical laws are not sufficient to determine the precise trajectory of every atom. There is a minimal degree of physical indeterminism — the swerve. An unimpeded atom may at any given moment continue its present trajectory, but equally may `swerve' into one of the adjacent parallel trajectories.

As far as physics is concerned there is simply no reason for its following one rather than another of these trajectories. Normally, then, the result will be, in this minimal degree, random. But in the special case of the mind there is also a non-physical cause, volition, which can affect the atoms of which it is a property.

Sedley and Long assume a non-physical (metaphysical) ability of the volition to affect the atoms, which is implausible. But the idea that a physical volition chooses - (consistent with and adequately determined by its character and values and its desires and feelings) from among alternative possibilities provided randomly by the atoms - is quite plausible.
It does so, we may speculate, not by overriding the laws of physics, but by choosing between the alternative possibilities which the laws of physics leave open. In this way a large group of soul atoms might simultaneously be diverted into a new pattern of motion, and thus radically redirect the motion of the body. Such an event, requiring as it does the coincidence of numerous swerves, would be statistically most improbable according to the laws of physics alone. But it is still, on the swerve theory, an intrinsically possible one, which volition might therefore be held to bring about. For a very similar thesis relating free will to modern quantum indeterminism, see A. S. Eddington, The nature of the physical world (1928). (It may be objected that swerves are meant to be entirely uncaused; but...that was only an inference by Epicurus' critics, made plausible by concentrating on the swerve's cosmogonic function...for there it must indeed occur at random and without the intervention of volition.)

The Two-Stage Model of Roger Penrose, (1989)
In his 1989 book The Emperor's New Mind, Penrose suggests a two-stage process but is skeptical of the value of randomness in the first step. His thinking follows that of Jacques Hadamard and Henri Poincaré, who he has just discussed in the previous pages.
In relation to this, the question of what constitutes genuine originality should be raised. It seems to me that there are two factors involved, namely a 'putting-up' and a 'shooting-down' process. I imagine that the putting-up could be largely unconscious and the shooting-down largely conscious. Without an effective putting-up process, one would have no new ideas at all. But, just by itself, this procedure would have little value. One needs an effective procedure for forming judgements, so that only those ideas with a reasonable chance of success will survive. In dreams, for example, unusual ideas may easily come to mind, but only very rarely do they survive the critical judgements of the wakeful consciousness. In my opinion, it is the conscious shooting-down (judgement) process that is central to the issue of originality, rather than the unconscious putting-up process; but I am aware that many others might hold to a contrary view.

The Two-Stage Model of David Layzer, (1990)
In his 1990 book, Cosmogenesis, on the growth of order in the universe, Layzer claimed that a new source of objective indeterminacy results from his Strong Cosmological Principle. He describes the decision process as including new thoughts that are not pre-determined in advance
Consider the process of making a decision. Shall I do A or B? My head says A; my heart says B. I agonize. I try to imagine the consequences first of A, then of B.
Thoughts come to us freely
Suddenly, a new thought occurs to me: C. Yes, I'll do C. The essential aspect of such commonplace experiences is that their outcomes aren't determined in advance but are created by the process of deliberation itself, a process unfolding in time. All creative processes have this character...

If, then, the outcome of a deliberative or creative process seems undetermined at the outset, if it seems to us that such processes create their outcomes, perhaps the reason is that the outcomes of the underlying cerebral processes are, in some objective sense, undetermined, are, in some objective sense, created by the processes themselves.

Layzer also wants the decision process to result in actions with a deliberate causal chain.
A freely taken decision or a creative act doesn't just come into being. It is the necessary — and hence law-abiding — outcome of a complex process. Free actions also have predictable — and hence lawful - consequences; otherwise, planning and foresight would be futile.
Actions go from us willfully
Thus every free act belongs to a causal chain: it is the necessary outcome of a deliberative or creative process, and it has predictable consequences.

The Two-Stage Model of Julia Annas, (1992)
In her 1992 book, The Hellenistic Philosophy of Mind, Annas finds it hard to see how random swerves can help to explain free action. But she sees clearly that randomness can provide alternative possibilities for the will to choose from. She says, "there would be no point in having free will if there were no genuinely open possibilities between which to select," anticipating the two-stage model of free will.

Perhaps influnced by her classicist colleagues Sedley and Long, or maybe just coming to the same conclusions from reading the ancients, especially Epicurus and his swerve, Annas says.

...since swerves are random, it is hard to see how they help to explain free action. We can scarcely expect there to be a random swerve before every free action...random swerves would seem to produce, if anything, random actions; we still lack any clue as to how they could produce actions which are free.

An influential modern line of thought avoids these problems by arguing that our evidence does not demand that there be a swerve for each free action [Furley]. Rather, swerves explain the fact that people have characters capable of change and reaction that goes beyond mechanical response to stimuli. We act freely because we have characters that are flexible and spontaneous, and this is because we are composed of atoms which swerve occasionally. On this account, swerves do not have to be frequent, since they are not part of any mechanism of action; one swerve in your soul is enough for the kind of character flexibility that is required. Such an account avoids the problems attaching to any account that brings swerves into free action, but at the cost of not answering very closely to the evidence; the Lucretius passage certainly suggests that swerves are in some way relevant at the point of action.

Another kind of suggestion is that swerves are not the causes of free actions at all. Rather, they come into the process whereby free actions are brought about. Swerves are supposed to explain something about the nature of free agency and how it works, but they do not cause free actions (by cutting across causal chains, for example). This suggestion can be developed in several ways...

The role of swerves is to provide alternative possibilities for volitions to choose between, for there would be no point in having free will if there were no genuinely open possibilities between which to select.
(The Hellenistic Philosophy of Mind, pp.184-88)

The Two-Stage Model of Alfred Mele, (1995)
In 1995 Alfred Mele, clearly influenced by Daniel Dennett and Robert Kane, proposed his "Modest Libertarianism," a two-stage process that combines an incompatibilist early phase followed by a compatibilist control phase.
"it might be worth exploring the possibility of combining a compatibilist conception of the later parts of a process issuing in full blown, deliberative, intentional action with an incompatibilist conception of the earlier parts. For example, it might be possible to gain "ultimate control" while preserving a considerable measure of nonultimate agential control by treating the process from proximal decisive better judgment through overt action in a compatibilist way and finding a theoretically useful place for indeterminacy in processes leading to proximal decisive better judgments".

"That a consideration is indeterministically caused to come to mind does not entail that the agent has no control over how he responds to it".
Mele is very concerned about the location of any indeterminism, the problem of where and when indeterminism could occur in a way that helps and does not harm agent control.
The Problem of Luck
Mele has written extensively about the question whether chance events in our causal history mean that many of our actions are a matter of luck. Since chance is very real, many things are the result of good or bad luck. This is a not a problem for free will, but it is one for moral responsibility.

The Two-Stage Model of John Martin Fischer, (1995)
Also in 1995, John Martin Fischer argued for a model based on Daniel Dennett's 1978 work. Fischer is best known for the idea of semicompatibilism, the idea that moral responsibility is compatible with determinism. Fischer is agnostic on whether free will itself is compatible or incompatible with determinism.

Fischer is most concerned to establish the control needed for responsibility, especially given Frankfurt-style example challenging control. In any case, Fischer uses the Dennett idea - that the indeterminism comes at an early stage of the overall deliberation-decision process - to locate a Frankfurt-style "prior sign" needed by the hypothetical intervener at a place deterministically linked to the decision and subsequent action.

Fischer's main criticism of alternative possibilities for action is that it is implausible to suppose that one's moral responsibility is grounded on the possibility of forming a certain sort of judgment about what is best: a judgment on behalf of doing something there are no good reasons to do. The responsibility for doing good is not grounded in the possibility of doing bad. Note that freedom of action is completely independent of, and merely a prerequisite to, moral responsibility. Otherwise it would be the ethical fallacy.

Fischer hopes to develop "another sort of libertarianism." He says he does not have the space to lay out his "second family of libertarian accounts," and gives us very little on how it differs from Dennett. He says "Dennett argues that it is the only sort of libertarianism that is plausible, and I believe that it is at least minimally plausible. I also believe that it is libertarianism." Fischer may be simply constructing a libertarianism with a built-in place for the Frankfurt intervener, in order to support the absence of alternative possibilities and Fischer's semicompatibilism. Here is Fischer's sketch of his main idea.

I wish to develop (in an extremely sketchy way) another sort of libertarianism; on this kind of approach, the relationship between the relevant "sign" or "signal" and the subsequent choice is causally deterministic, but there is nevertheless a lack of causal determination along the sequence that issues in the decision (and action). And I shall point out that this approach also seems to lead to the view that an agent can be morally responsible for making a choice even though he could not have (at any relevant time) made a different choice.

I do not have the space here to lay out this second family of libertarian accounts fully or carefully. But I shall simply sketch the main ideas and hope that enough of the content of the approach will emerge to convince the reader that this family of views constitutes a minimally plausible, serious libertarian approach - worth further elaboration and evaluation in the context of the issues under discussion here. In his article, "On Giving Libertarians What They Say They Want," Daniel Dennett has presented this family of approaches; he does not necessarily endorse the view, but presents it as the most plausible and appealing version of libertarianism.

What is crucial to Dennett's view is that indeterminacy be installed at the appropriate place, and Dennett argues that this is not between the judgment that a particular act is the best among one's alternatives and the subsequent choice. He says, "Clearly, what the libertarian has in mind is indeterminism at some earlier point, prior to the ultimate decision or formation of intention...." Rather, Dennett argues that there can be lack of causal determinism (of a certain sort) within the process of deliberation that leads to the agent's judgment as to what is the best option (under the circumstances).

So Dennett's picture suggested on behalf of the libertarian involves some lack of causal determination in the process of deliberation, but no such lack in the link between the judgment as to what is best and the formation of an intention (or the making of a decision). Let me emphasize that I am not in a position here fully to lay out this view (or set of views) or to defend it. Dennett argues that it is the only sort of libertarianism that is plausible, and I believe that it is at least minimally plausible. I also believe that it is libertarianism.

The Two-Stage Model of Stephen Kosslyn, (2002)
In 2002, Stephen Kosslyn wrote a foreword to Benjamin Libet's book Mind Time. In a few brief paragraphs, he put forward a two-stage model of alternative choices that our constructed in part chaotically by nondeterministic processes, followed by decisions that are based on our character and values - "what one is." He sees a role for a causa sui.
The rationales and anticipated consequences — and even, depending on the situation, the alternative courses of action — are not simply "looked up" in memory, having been stashed away like notes in a file after previous encounters.
Here Kosslyn considers a first stage of free creation of alternative courses of action

Rather, one constructs rationales and anticipated consequences, as appropriate for the specific situation at hand. This construction process may rely in part on chaotic processes. Such processes are not entirely determined by one's learning history (even as filtered by one's genes). By analogy, consider the path of a raindrop dribbling down a pane of glass. It zigs, it zags, tracing a path best explained with the aid of chaotic principles. The same raindrop, striking precisely the same place on that pane on a warmer day (which would cause the glass to be in a slightly different state) would take a different path. In chaotic systems, very small differences in start state can produce large differences downstream. The pane of glass is like the state of the brain at any instant. Depending on what one was just thinking about, the brain is in a different "start state" (i.e., different information is partially activated, different associations are primed) when one constructs rationales and anticipated consequences — which will affect how one decides. (Note that this idea does not simply move the problem back a step: What one was just thinking itself was in part a result of nondeterministic processes.) Our thoughts, feelings and behavior are not determined; we can have novel insights as well as "second thoughts."

Given the choices, rationales, and anticipated consequences, one decides what do on the basis of "what one is" (mentally speaking, to use [Galen] Strawson's term, which includes one's knowledge, goals, values, and beliefs).

Here Kosslyn considers a second stage of willed decisions that are determined by our goals, values, and beliefs -
"what one is"
"What one is" consists in part of information in memory, which plays a key role in the processes that construct the alternatives, rationales, and anticipated consequences. In addition, "what one is" governs how one actually makes the decisions. And making that decision and experiencing the actual consequences in turn modifies "what one is," which then affects both how one constructs alternatives, rationales and anticipated consequences and how one makes decisions in the future. Thus, with time one's decisions construct what one is.

We are not simply accumulators of environmental events, filtered by our genetic make-ups. We bring something novel and unique to each situation — ourselves. Nietzsche (1886, as quoted in Strawson, 1994, p. 15) commented, "The causa sui is the best self-contradiction that has been conceived so far." Maybe not.

The Two-Stage Model of Storrs McCall and E. Jonathan Lowe (2005)
McCall and Lowe show "that libertarianism is a consistent philosophical thesis." They draw out the notion of an instantaneous choice (which compatibilists usually attack as necessarily either determined or random, according to the standard argument against free will) into a continuous temporal process of deliberation that culminates in the decision.

They locate the indeterminism in the early part of deliberation, as do all two-stage models of free will. The decision itself they say is caused not by chance, but by the character and reasons of the agent.

McCall and Lowe are correct that both Peter van Inwagen and Robert Nozick locate the indeterminism in the wrong place, namely in the decision itself.

They trace the source of their separation of indeterministic deliberation from choice back to Aristotle's distinction between bouleuesis and prohairesis.

The Two-Stage Model of John Searle (2007)
John Searle has written extensively on the problem of consciousness and almost always reflects on the problem of free will. His position rarely changed over the decades, but in his recent short essays on Freedom and Neurobiology he has tackled the problem more directly and for the first time embraced indeterminism as a positive factor. Indeed, he goes as far as to say that quantum indeterminism is a requirement for consciousness.

In a breakthrough of sorts, Searle admits that he could never see, until now, the point of introducing quantum mechanics into discussions of consciousness and free will. Now he says we know two things, which correspond to the two requirements for free will:

First we know that our experiences of free action contain both indeterminism and rationality...Second we know that quantum indeterminacy is the only form of indeterminism that is indisputably established as a fact of nature...it follows that quantum mechanics must enter into the explanation of consciousness." (p.74-75)

Searle describes "open" alternative courses of action. It is very important to place the "gap" or causa sui before or during the generation of these alternative possibilities for deliberation to be followed by willed action. The result is a two-stage, temporal-sequence model.

Then in a 2007 lecture at Google (available on YouTube), Searle describes his "Hypothesis 2" for free will.

He says three things are necessary:

  1. some quantum indeterminism must be involved, but at "a lower level,"
  2. a quantum explanation of consciousness is needed,
  3. the higher-level of consciousness must inherit the indeterminism, but without inheriting the randomness.

Compare Karl Popper above, "A choice process may be a selection process, and the selection may be from some repertoire of random events, without being random in its turn." [Popper's italics]

The Two-Stage Model of Uwe Meixner (2008)
Meixner opposes strict determinism and then proposes the indeterministic generation of alternative possibilities by the same accidental source as genetic mutations:
Under macroscopic physical determinism, the structural complexity of every apparatus, natural or artificial, is pointless that makes in advance provision for realizing at a time t one or another of several incompatible alternatives regarding the physical macro-world. where each of these alternatives is possible at time t. Why provide for the realization of one or another among several such alternatives — even if only in such a manner that the realization merely amounts to a law-determined reaction to a given physical condition, as in a multi-possibility reactor — if, under macroscopic physical determinism, it is true of only one thing at any moment in time that it can happen in the physical macro-world (namely, the one that does in fact happen)? When evolution ran a course that led, let’s suppose, merely by (microscopic) accidental mutation and subsequent natural selection to the development of macroscopic devices that are geared for implementing choices (made — by the devices themselves or by something else—between at least two incompatible alternatives that are each possible at the time in question), had evolution then forgotten that macroscopic physical determinism is true? Was it ignoring it?
Meixner, whose two-stage model of free will has clearly been inspired by Daniel Dennett's "Valerian model," reacts to Dennett's compatibilist/determinist suggestion that the random alternatives might have been generated by a deterministic pseudo-random generator.

Why would nature have evolved a computer simulated randomness, when irreducible indeterminism already exists?, Meixner asks:

I am of course not saying that the development of the above mentioned devices for implementing choices is logically incompatible with macroscopic physical determinism; for this determinism could, in principle, be of such a kind that the emergence of, say, multi-possibility reactors was itself determined. This would be an absurd — that is, an unnecessarily expensive — course for nature to take, and therefore a rather unlikely course (even for a complete mechanist regarding nature it remains true that nature normally follows the course which is themost economical), but it is not a logically impossible one. Therefore, in asserting that if determinism ruled in the physical macro-world brains would never have developed, I am relying on an implicit inference to the best explanation...

I prefer to regard the impressive emergence of brains in the course of evolution as an indication of the great extent to which the terrestrial physical macro-world is undetermined (prior to additional determination). Given this massive macro-indetermination, the unpredictability with which brains are confronted in their monitoring and governing activity must indeed more often than not betoken indetermination.

The Two-Stage Model of Martin Heisenberg (2009)
The most recent thinker to describe a two-stage model is Martin Heisenberg (son of physicist Werner), chair of the University of Wurzburg’s BioZentrum genetics and neurobiology section.

Since the indeterminacy principle was his father’s work, Heisenberg’s position that the physical universe is no longer determined and that nature is inherently unpredictable comes as no surprise. What is unusual is that Heisenberg finds evidence of free behavior in animals, including some very simple ones such as Drosophila, on which he is a world expert. Heisenberg argues for some randomness even in unicellular bacteria, followed by more lawful behaviors such as moving toward food.

"Evidence of randomly generated action — action that is distinct from reaction because it does not depend upon external stimuli — can be found in unicellular organisms. Take the way the bacterium Escherichia coli moves. It has a flagellum that can rotate around its longitudinal axis in either direction: one way drives the bacterium forward, the other causes it to tumble at random so that it ends up facing in a new direction ready for the next phase of forward motion. This 'random walk' can be modulated by sensory receptors, enabling the bacterium to find food and the right temperature."
In higher organisms, the brain still may include elements that do a random walk among options for action. The capability to generate new and unpredictable behaviors would have great survival value, and would likely be incorporated in higher organisms.
"the activation of behavioural modules is based on the interplay between chance and lawfulness in the brain. Insufficiently equipped, insufficiently informed and short of time, animals have to find a module that is adaptive. Their brains, in a kind of random walk, continuously preactivate, discard and reconfigure their options, and evaluate their possible short-term and long-term consequences.

"The physiology of how this happens has been little investigated. But there is plenty of evidence that an animal’s behaviour cannot be reduced to responses. For example, my lab has demonstrated that fruit flies, in situations they have never encountered, can modify their expectations about the consequences of their actions. They can solve problems that no individual fly in the evolutionary history of the species has solved before. Our experiments show that they actively initiate behaviour."

Heisenberg’s combination of some randomness followed by some "lawful" behavior looks very much like William James’ two-stage model, but now we have evidence for it in many animals. James would have been pleased.

Given the "laws of nature" and the "fixed past" just before a decision, philosophers wonder how a free agent can have any possible alternatives. This is partly because they imagine a timeline for the decision that shrinks the decision process to a single moment.

Collapsing the decision to a single moment between the closed fixed past and the open ambiguous future makes it difficult to see the free thoughts of the mind followed by the willed and adequately determined action of the body.

First chance, then choice. First "free," then "will."

But the Cogito Model is not limited to a single step of generating alternative possibilities followed by a single step of self-determination by the will. It is better understood as a continuous process of possibilities generation by the Micro Mind (parts of the brain that leave themselves open to noise) and adequately determined choices made from time to time by the Macro Mind (the same brain parts, perhaps, but now averaging over and filtering out the microscopic noisiness that might otherwise make the determination random).

In particular, note that a special kind of decision might occur when the Macro Mind finds that none of the current options are good enough for the agent's character and values to approve. The Macro Mind then might figuratively say to the Micro Mind, "Think again!"

Many philosophers have puzzled how an agent could do otherwise in exactly the same circumstances. Since humans are intelligent organisms, and given the myriad of possible circumstances, it is impossible that an agent is ever in exactly the same circumstances. The agent's memory (stored information) of earlier similar circumstances guarantees that.

This view still makes an artificial separation between first-stage creative randomness and second-stage deliberative evaluation. These two capabilities of the mind can be going on at the same time. That can be visualized by the occasional decision to go back and think again, when the available alternatives are not good enough to satisfy the demands of the agent's character and values, or by noticing that the subconscious Micro Mind might be still generating possibilities while the Macro Mind is in the middle of its evaluations.

The two-stage Cogito model lies between the work of Libertarians and Compatibilists.

The leading Libertarian model is that of Robert Kane and his followers Laura Waddell Ekstrom and Mark Balaguer. They and Kane's critic Richard Double have all reached for the difficult dream of genuine indeterminacy in the "moment of choice," while nevertheless achieving agential control over actions.

Double started out trying to justify the three Kane conditions for free will - control, rationality, and dual/plural alternative possibilities that allow the agent to choose otherwise in exactly the same circumstances.

But in the end Double concluded that these three conditions could not be met by Kane's model and said so in his 1990 book The Non-Reality of Free Will. To be sure, Double may have thrown in his lot with "Impossibilists" like Derk Pereboom and Saul Smilansky because he shared their goals to deny moral responsibility and eliminate moral "desert" and retributive punishment.

Let’s diagram Kane’s "Self-Forming Action" (SFA) to place it in the temporal sequence of events between the “fixed past” at the start of a decision process, and the decision itself, which marks the beginning of the future.

In the end, Kane's model, resolving "torn decisions" by an indeterministic choice between alternatives that are all motivated by good reasons, is an important supplement to the two-stage model. He calls this “plural rational control.” We call them "undetermined liberties." They nicely complement decisions that are arrived at in an adequately determined way, which we call self-determination.

The leading Compatibilists to have proposed (but not endorsed) a two-stage model are Daniel Dennett and Albert Mele.

The Cogito model is less "free" than some Libertarian models, but more responsible.

The Cogito model is less "determined" (not at all predetermined) than the Compatiblist models, but more creative.

The Cogito model is less "event-causal" and more "agent causal." The agent has creative powers in the extended "moment of choice" that are like those sought by Libertarians Roderick Chisholm, Richard Taylor, and Keith Lehrer.

Nothing in the events of the "fixed past" (and the laws of nature, as compatibilists like to say) immediately preceding the "moment of choice" predetermines the agent's decision. The Cogito model lets the agent choose otherwise in exactly the same circumstances.

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