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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
Karl Popper
Huw Price
H.A.Prichard
Hilary Putnam
Willard van Orman Quine
Frank Ramsey
Ayn Rand
Thomas Reid
Charles Renouvier
Nicholas Rescher
C.W.Rietdijk
Richard Rorty
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
 
G. E. M. Anscombe

Elizabeth Anscombe was a student of Ludwig Wittgenstein and later served, with G. H. von Wright and Rush Rhees as the executor of his papers and as editor of his Philosophical Investigations.

Her Inaugural Lecture as Professor of Philosophy at Cambridge University in 1971 was entitled "Causality and Determination." She explained that we had no empirical grounds for believing in a determinism that is logically necessary or even in the physical determinism that appears to be required by natural laws like Newton's. Anscombe thus properly distinguishes between determinism and determination, which requires only adequate determinism. And she sees that a strict causal, logical, and necessitated determinism (really predeterminism), is an illusion.

The high success of Newton's astronomy was in one way an intellectual disaster: it produced an illusion from which we tend still to suffer. This illusion was created by the circumstance that Newton's mechanics had a good model in the solar system. For this gave the impression that we had here an ideal of scientific explanation; whereas the truth was, it was mere obligingness on the part of the solar system, by having had so peaceful a history in recorded time, to provide such a model. (p.20)
She asks...
Must a physicist be a 'determinist'? That is, must he believe that the whole universe is a system such that, if its total states at t and t' are thus and so, the laws of nature are such as then to allow only one possibility for its total state at any other time? No.
Anscombe is familiar with developments in quantum physics. She notes that Max Born dissociated causality from determinism. And she mentions Richard Feynman's suggestion (following Arthur Holly Compton) of a Geiger counter firing that might be connected to a bomb "There would be no doubt of the cause of the explosion if the bomb did go off," she says. So there can be causality without determinism. (p.24)
She notes that C. D. Broad, in his 1934 inaugural lecture, had considered indeterminism, but he had added that whatever happened without being determined was "accidental."
He did not explain what he meant by being accidental; he must have meant more than not being necessary. He may have meant being uncaused; but, if I am right, not being determined does not imply not being caused. Indeed, I should explain indeterminism as the thesis that not all physical effects are necessitated by their causes. But if we think of Feynman's bomb, we get some idea of what is meant by "accidental". It was random: it 'merely happened' that the radioactive material emitted particles in such a way as to activate the Geiger counter enough to set off the bomb. Certainly the motion of the Geiger counter's needle is caused; and the actual emission is caused too: it occurs because there is this mass of radioactive material here. (I have already indicated that, contrary to the opinion of Hume, there are many different sorts of causality.) But all the same the causation itself is, one could say, mere hap. It is difficult to explain this idea any further. (p.25)
Indeed it is. We wish that Anscombe had tried.

But she goes on to say Broad naively assumed that our actions were therefore randomly caused. Apparently aware that randomness as a cause of action had been criticized since antiquity, she calls Broad naive.

Broad used the idea to argue that indeterminism, if applied to human action, meant that human actions are 'accidental'. Now he had a picture of choices as being determining causes, analogous to determining physical causes, and of choices in their turn being either determined or accidental. To regard a choice as such – i.e. any case of choice – as a predetermining causal event, now appears as a naif mistake in the philosophy of mind, though that is a story I cannot tell here.
Again, we could hope she would have told us more.
Anscombe recounts the severe criticism of scientists' suggestions that indeterminism could account for human freedom.
It was natural that when physics went indeterministic, some thinkers should have seized on this indeterminism as being just what was wanted for defending the freedom of the will. They received severe criticism on two counts: one, that this 'mere hap' is the very last thing to be invoked as the physical correlate of 'man's ethical behaviour'; the other, that quantum laws predict statistics of events when situations are repeated; interference with these, by the will's determining individual events which the laws of nature leave undetermined, would be as much a violation of natural law as would have been interference which falsified a deterministic mechanical law. (p.25)

Ever since Kant it has been a familiar claim among philosophers, that one can believe in both physical determinism and 'ethical' freedom. The reconciliations have always seemed to me to be either so much gobbledegook, or to make the alleged freedom of action quite unreal. My actions are mostly physical movements; if these physical movements are physically predetermined by processes which I do not control, then my freedom is perfectly illusory. The truth of physical indeterminism is then indispensable if we are to make anything of the claim to freedom. But certainly it is insufficient. The physically undetermined is not thereby 'free'. For freedom at least involves the power of acting according to an idea, and no such thing is ascribed to whatever is the subject (what would be the relevant subject?) of unpredetermination in indeterministic physics. (p.26)

Nevertheless, Anscombe is surprised that indeterministic physics has had so little effect on the thinking of philosophers of mind, who remain mostly determinists.
It has taken the inventions of indeterministic physics to shake the rather common dogmatic conviction that determinism is a presupposition or perhaps a conclusion, of scientific knowledge. Not that that conviction has been very much shaken even so. Of course, the belief that the laws of nature are deterministic has been shaken. But I believe it has often been supposed that this makes little difference to the assumption of macroscopic determinism: as if undeterminedness were always encapsulated in systems whose internal workings could be described only by statistical laws, but where the total upshot, and in particular the outward effect, was as near as makes no difference always the same. What difference does it make, after all, that the scintillations, whereby my watch dial is luminous, follow only a statistical law – so long as, the gross manifest effect is sufficiently guaranteed by the statistical law? Feynman's example of the bomb and Geiger counter smashes this conception; but as far as I can judge it takes time for the lesson to be learned. I find deterministic assumptions more common now among people at large, and among philosophers, than when I was an undergraduate. (p.28)
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