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Core Concepts

Actualism
Adequate Determinism
Agent-Causality
Alternative Possibilities
Causa Sui
Causal Closure
Causalism
Causality
Certainty
Chance
Chance Not Direct Cause
Chaos Theory
The Cogito Model
Compatibilism
Complexity
Comprehensive   Compatibilism
Conceptual Analysis
Contingency
Control
Could Do Otherwise
Creativity
Default Responsibility
De-liberation
Determination
Determination Fallacy
Determinism
Disambiguation
Double Effect
Either Way
Enlightenment
Emergent Determinism
Epistemic Freedom
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
Non-Causality
Nonlocality
Origination
Paradigm Case
Possibilism
Possibilities
Pre-determinism
Predictability
Probability
Pseudo-Problem
Random When?/Where?
Rational Fallacy
Reason
Refutations
Replay
Responsibility
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
What If Dennett and Kane Did Otherwise?

Philosophers

Mortimer Adler
Rogers Albritton
Alexander of Aphrodisias
Samuel Alexander
William Alston
Anaximander
G.E.M.Anscombe
Anselm
Louise Antony
Thomas Aquinas
Aristotle
David Armstrong
Harald Atmanspacher
Robert Audi
Augustine
J.L.Austin
A.J.Ayer
Alexander Bain
Mark Balaguer
Jeffrey Barrett
William Barrett
William Belsham
Henri Bergson
George Berkeley
Isaiah Berlin
Richard J. Bernstein
Bernard Berofsky
Robert Bishop
Max Black
Susanne Bobzien
Emil du Bois-Reymond
Hilary Bok
Laurence BonJour
George Boole
Émile Boutroux
F.H.Bradley
C.D.Broad
Michael Burke
Lawrence Cahoone
C.A.Campbell
Joseph Keim Campbell
Rudolf Carnap
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
Arthur Fine
John Martin Fischer
Frederic Fitch
Owen Flanagan
Luciano Floridi
Philippa Foot
Alfred Fouilleé
Harry Frankfurt
Richard L. Franklin
Michael Frede
Gottlob Frege
Peter Geach
Edmund Gettier
Carl Ginet
Alvin Goldman
Gorgias
Nicholas St. John Green
H.Paul Grice
Ian Hacking
Ishtiyaque Haji
Stuart Hampshire
W.F.R.Hardie
Sam Harris
William Hasker
R.M.Hare
Georg W.F. Hegel
Martin Heidegger
Heraclitus
R.E.Hobart
Thomas Hobbes
David Hodgson
Shadsworth Hodgson
Baron d'Holbach
Ted Honderich
Pamela Huby
David Hume
Ferenc Huoranszki
William James
Lord Kames
Robert Kane
Immanuel Kant
Tomis Kapitan
Walter Kaufmann
Jaegwon Kim
William King
Hilary Kornblith
Christine Korsgaard
Saul Kripke
Thomas Kuhn
Andrea Lavazza
Christoph Lehner
Keith Lehrer
Gottfried Leibniz
Jules Lequyer
Leucippus
Michael Levin
George Henry Lewes
C.I.Lewis
David Lewis
Peter Lipton
C. Lloyd Morgan
John Locke
Michael Lockwood
E. Jonathan Lowe
John R. Lucas
Lucretius
Alasdair MacIntyre
Ruth Barcan Marcus
James Martineau
Storrs McCall
Hugh McCann
Colin McGinn
Michael McKenna
Brian McLaughlin
John McTaggart
Paul E. Meehl
Uwe Meixner
Alfred Mele
Trenton Merricks
John Stuart Mill
Dickinson Miller
G.E.Moore
Thomas Nagel
Otto Neurath
Friedrich Nietzsche
John Norton
P.H.Nowell-Smith
Robert Nozick
William of Ockham
Timothy O'Connor
Parmenides
David F. Pears
Charles Sanders Peirce
Derk Pereboom
Steven Pinker
Plato
Karl Popper
Porphyry
Huw Price
H.A.Prichard
Protagoras
Hilary Putnam
Willard van Orman Quine
Frank Ramsey
Ayn Rand
Michael Rea
Thomas Reid
Charles Renouvier
Nicholas Rescher
C.W.Rietdijk
Richard Rorty
Josiah Royce
Bertrand Russell
Paul Russell
Gilbert Ryle
Jean-Paul Sartre
Kenneth Sayre
T.M.Scanlon
Moritz Schlick
Arthur Schopenhauer
John Searle
Wilfrid Sellars
Alan Sidelle
Ted Sider
Henry Sidgwick
Walter Sinnott-Armstrong
J.J.C.Smart
Saul Smilansky
Michael Smith
Baruch Spinoza
L. Susan Stebbing
Isabelle Stengers
George F. Stout
Galen Strawson
Peter Strawson
Eleonore Stump
Francisco Suárez
Richard Taylor
Teilhard de Chardin
Kevin Timpe
Mark Twain
Peter Unger
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
C.F. von Weizsäcker
William Whewell
Alfred North Whitehead
David Widerker
David Wiggins
Bernard Williams
Timothy Williamson
Ludwig Wittgenstein
Susan Wolf

Scientists

Michael Arbib
Walter Baade
Bernard Baars
Jeffrey Bada
Leslie Ballentine
Gregory Bateson
John S. Bell
Mara Beller
Charles Bennett
Ludwig von Bertalanffy
Susan Blackmore
Margaret Boden
David Bohm
Niels Bohr
Ludwig Boltzmann
Emile Borel
Max Born
Satyendra Nath Bose
Walther Bothe
Hans Briegel
Leon Brillouin
Stephen Brush
Henry Thomas Buckle
S. H. Burbury
Donald Campbell
Anthony Cashmore
Eric Chaisson
Gregory Chaitin
Jean-Pierre Changeux
Arthur Holly Compton
John Conway
John Cramer
Francis Crick
E. P. Culverwell
Antonio Damasio
Olivier Darrigol
Charles Darwin
Richard Dawkins
Terrence Deacon
Lüder Deecke
Richard Dedekind
Louis de Broglie
Stanislas Dehaene
Max Delbrück
Abraham de Moivre
Paul Dirac
Hans Driesch
John Eccles
Arthur Stanley Eddington
Gerald Edelman
Paul Ehrenfest
Albert Einstein
Hugh Everett, III
Franz Exner
Richard Feynman
R. A. Fisher
David Foster
Joseph Fourier
Philipp Frank
Steven Frautschi
Edward Fredkin
Lila Gatlin
Michael Gazzaniga
GianCarlo Ghirardi
J. Willard Gibbs
Nicolas Gisin
Paul Glimcher
Thomas Gold
A. O. Gomes
Brian Goodwin
Joshua Greene
Jacques Hadamard
Mark Hadley
Patrick Haggard
J. B. S. Haldane
Stuart Hameroff
Augustin Hamon
Sam Harris
Hyman Hartman
John-Dylan Haynes
Donald Hebb
Martin Heisenberg
Werner Heisenberg
John Herschel
Art Hobson
Jesper Hoffmeyer
E. T. Jaynes
William Stanley Jevons
Roman Jakobson
Pascual Jordan
Ruth E. Kastner
Stuart Kauffman
Martin J. Klein
William R. Klemm
Christof Koch
Simon Kochen
Hans Kornhuber
Stephen Kosslyn
Ladislav Kovàč
Leopold Kronecker
Rolf Landauer
Alfred Landé
Pierre-Simon Laplace
David Layzer
Joseph LeDoux
Benjamin Libet
Seth Lloyd
Hendrik Lorentz
Josef Loschmidt
Ernst Mach
Donald MacKay
Henry Margenau
James Clerk Maxwell
Ernst Mayr
John McCarthy
Warren McCulloch
George Miller
Stanley Miller
Ulrich Mohrhoff
Jacques Monod
Emmy Noether
Alexander Oparin
Abraham Pais
Howard Pattee
Wolfgang Pauli
Massimo Pauri
Roger Penrose
Steven Pinker
Colin Pittendrigh
Max Planck
Susan Pockett
Henri Poincaré
Daniel Pollen
Ilya Prigogine
Hans Primas
Adolphe Quételet
Jürgen Renn
Juan Roederer
Jerome Rothstein
David Ruelle
Tilman Sauer
Jürgen Schmidhuber
Erwin Schrödinger
Aaron Schurger
Claude Shannon
Charles Sherrington
David Shiang
Herbert Simon
Dean Keith Simonton
B. F. Skinner
Lee Smolin
Ray Solomonoff
Roger Sperry
John Stachel
Henry Stapp
Tom Stonier
Antoine Suarez
Leo Szilard
Max Tegmark
William Thomson (Kelvin)
Giulio Tononi
Peter Tse
Vlatko Vedral
Heinz von Foerster
John von Neumann
John B. Watson
Daniel Wegner
Steven Weinberg
Paul A. Weiss
John Wheeler
Wilhelm Wien
Norbert Wiener
Eugene Wigner
E. O. Wilson
Stephen Wolfram
H. Dieter Zeh
Ernst Zermelo
Wojciech Zurek
Konrad Zuse
Fritz Zwicky

Presentations

Biosemiotics
Free Will
Mental Causation
James Symposium

 
Exactly The Same Circumstances
The idea that an agent could not do otherwise in exactly the same circumstances is considered a problem facing both libertarians and determinists. Classical mechanical determinism is "information preserving." And so is the time evolution of the Schrödinger equation in quantum mechanics.
Information philosophy has a particular importance for this question, because it can be asked whether exactly the same information could ever be present at two different locations in the universe of space and time.

Surprisingly, in the classical mechanical deterministic universe all moments of time contain exactly the same information, since complete knowledge of the universe at any time implies the exact situation at all other times, past and present (cf., Laplace's Demon).

Perhaps equally surprising is the fact that in our expanding universe where information is being destroyed with the increase in entropy, and simultaneously new information is being created - sadly somewhat less than the increase in disorder - we can say that the exact same circumstances never occur.

This dramatic difference is one of the most outstanding disproofs of the metaphysical idea of physical determinism, which is seen to be an illusion.

That the exact same circumstances never occur is nowhere more clear than in systems that clearly store the increased information and so exhibit a record of the change in the universe. Astrophysical objects show signs of their evolution. The geological record of the earth's surface displays a rich past. Most living organisms have encoded traces of their lives. And of course human beings carry a part of their past in their memories.

So, like many philosophical problems, the idea of "exactly the same circumstances" reduces to the practical problem of being in very similar circumstances, which is still an interesting question.

Libertarians who think they require a sort of extreme "metaphysical freedom" have argued for what some call a "plurality condition" or a "dual rational power." They want a "rational" decision to be able to do something different in exactly the same circumstances. This is only possible if genuinely new alternative possibilities are generated for consideration by the rational and adequately determined will.

The first philosopher to consider the case of exactly the same circumstances was William James in his 1884 essay The Decline of Determinism.

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. In other words, either universe after the fact and once there would, to our means of observation and understanding, appear just as rational as the other.
(The Will to Believe, 1897, p.155)

Peter van Inwagen wrote in his 2000 essay "Free Will Is Still A Mystery" about a thought experiment where God reset the circumstances to be the same, and he imagined the outcome of free decisions which have intrinsic unpredictability because they are indeterministic. Van Inwagen argued that there would be a statistical distribution of outcomes, as the agent did different things following the distribution of indeterministic causes.

Now let us suppose that God a thousand times caused the universe to revert to exactly the state it was in at t1 (and let us suppose that we are somehow suitably placed, metaphysically speaking, to observe the whole sequence of "replays"). What would have happened? What should we expect to observe? Well, again, we can't say what would have happened, but we can say what would probably have happened: sometimes Alice would have lied and sometimes she would have told the truth. As the number of "replays" increases, we observers shall — almost certainly — observe the ratio of the outcome "truth" to the outcome "lie" settling down to, converging on, some value. We may, for example, observe that, after a fairly large number of replays, Alice lies in thirty percent of the replays and tells the truth in seventy percent of them—and that the figures 'thirty percent' and 'seventy percent' become more and more accurate as the number of replays increases. But let us imagine the simplest case: we observe that Alice tells the truth in about half the replays and lies in about half the replays. If, after one hundred replays, Alice has told the truth fifty-three times and has lied forty-eight times, we'd begin strongly to suspect that the figures after a thousand replays would look something like this: Alice has told the truth four hundred and ninety-three times and has lied five hundred and eight times. Let us suppose that these are indeed the figures after a thousand [1001] replays. Is it not true that as we watch the number of replays increase we shall become convinced that what will happen in the next replay is a matter of chance.
("Free Will Remains a Mystery," in Philosophical Perspectives, vol. 14, 2000, p.14)

Although this is consistent with those who think that indeterminism directly affects our actions, it is not at all what our Cogito model suggests. Indeterminism affects only the alternative possibilities available to the agent for choice. These alternative possibilities are likely to vary from circumstance to circumstance, making the agent unpredictable.

But assuming for the sake of argument that identical alternative possibilities came to mind, the Cogito model predicts that the agent will make the same determination based on character and values. Those libertarians who want something different to happen have an antipathy to determination like that William James found in determinists with their antipathy to chance.

Van Inwagen, Kane, and Determinism compared to the Cogito Model
We can make a quantitative comparison of the outcome of 1000 thought experiments (or "instant replays" by God as van Inwagen imagines) that shows how the indeterminism in the Cogito Model is limited to generating alternative possibilities for action.

Van Inwagen's results after 1000 experiments are approximately 500 lies and 500 times when Alice tells the truth.

Robert Kane is well aware of the problem that chance reduces moral responsibility, especially in his sense of Ultimate Responsibility (UR).

In order to keep some randomness but add rationality, Kane says perhaps only some small percentage of decisions will be random, thus breaking the deterministic causal chain, but keeping most decisions predictable. Laura Ekstrom and others follow Kane with some indeterminism in the decision.

Let’s say randomness enters Kane’s decisions only ten percent of the time. The other ninety percent of the time, determinism is at work. In those cases, presumably Alice tells the truth. Then Alice’s 500 random lies in van Inwagen’s first example would become only 50.

But this in no way explains moral responsibility for those few cases.

Compare the Information Philosophy Cogito model, which agrees with compatibilism/determinism except in cases where something genuinely new and valuable emerges as a consequence of randomness.

In our two-stage model, we have first “free” – random possibilities, then “will” – adequately determined evaluation of options and selection of the "best" option.

Alice’s random generation of alternative possibilities will include 50 percent of options that are truth-telling, and 50 percent lies.

Alice’s adequately determined will evaluates these possibilities based on her character, values, and current desires.

In the Cogito model, she will almost certainly tell the truth. So it predicts almost the same outcome as a compatibilist/determinist model.

The Cogito model is not identical, however, since it can generate new alternatives.

It is possible that among the genuinely new alternative possibilities generated, there will be some that determinism could not have produced.

It may be that Alice will find one of these options consistent with her character, values, desires, and the current situation she is in. One might include a pragmatic lie, to stay with van Inwagen’s example.

In a more positive example, it may include a creative new idea that information-preserving determinism could not produce.

Alice’s thinking might bring new information into the universe. And she can legitimately accept praise (or blame) for that new action or thought that originates with her.

To summarize the results:

  Van Inwagen Kane Cogito Compatiblism
Alice tells truth 500 950 1000* 1000
Alice lies 500 50 0* 0

* (Alice tells the truth unless a good reason emerges from her free deliberations in the Cogito Model, in which case, to stay with van Inwagen's actions, she might tell a pragmatic lie.)

Let’s consider the Moral Luck criticism of actions that have a random component in their source.

Alfred Mele would perhaps object that the alternative possibilities depend on luck, and that this compromises moral responsibility.

On the Cogito Model view, Mele is right with respect to moral responsibility. But Mele is wrong that luck compromises free will.

Free will and creativity may very well depend on fortuitous circumstances, having the new idea "coming to mind" at the right time, as Mele says.

The universe we live in includes chance and therefore luck, including moral luck, is very real, but not a valid objection to our libertarian free will model (or Mele's "modest libertarianism").

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