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Summary Putnam's brain-in-vat argument is an attempted transcendental argument against the sceptical hypothesis that we are brains in vats (BIVs). A simple construction of the argument runs as follows: My word "brain" refers to brains; A BIV's word "brain" does not refer to brains; So I am not a BIV. An alternative reconstruction ends with the (perhaps weaker) conclusion that my sentence "I am not a BIV" is true. On either reconstruction, however, the argument seeks to use semantic means to refute some kind of radical, global, scepticism.
Key works Chapter 1 of Putnam 1981 contains the fullest statement of Putnam's argument, and helps to set the dialectical context of Putnam's interest in the BIV scenario. Putnam then clarified the argument in response to criticisms, particularly his 1992 reply to Anderson, and his 1994 reply to Wright. Here, Putnam makes clear that the argument involved only two premises (disquotation and some kind of causally constrained theory of reference), thereby favouring the first of the reconstructions suggested above. (The second reconstruction seems better suited to Davidson's 1986 anti-sceptical argument, which is closely connected with Putnam's.) Wright 1991 is one of the fullest and strongest defences of Putnam's argument; however, Wright ends by suggesting that Putnam has failed to refute certain ineffable sceptical concerns (similar worries were voiced by Nagel and van Inwagen). Button 2015 devotes several chapters to the BIV argument, seeking to defend it in its own terms, address Wright's ineffable concerns, and assess the overall limits of BIV-style argumentation. Brueckner & Ebbs 2012 collects a three-decade exchange which begins with Putnam's BIV argument and connects with the wider question of how scepticism and content externalism should interact. Goldberg 2015 offers new essays on the BIV argument
Introductions Putnam 1981 (ch. 1). Wright 1991. Button 2015 (chs. 12-16).
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  1. Reliabilism and Brains in Vats.Jon Altschul - 2011 - Acta Analytica 26 (3):257-272.
    According to epistemic internalism, the only facts that determine the justificational status of a belief are facts about the subject’s own mental states, like beliefs and experiences. Externalists instead hold that certain external facts, such as facts about the world or the reliability of a belief-producing mechanism, affect a belief’s justificational status. Some internalists argue that considerations about evil demon victims and brains in vats provide excellent reason to reject externalism: because these subjects are placed in epistemically unfavorable settings, externalism (...)
  2. What is Realistic About Putnam's Internal Realism?David L. Anderson - 1992 - Philosophical Topics 20 (1):49-83.
    Failure to recognize the "realistic" motivations for Putnam's commitment to internal realism has led to a widely shared misunderstanding of Putnam's arguments against metaphysical realism. Realist critics of these arguments frequently offer rebuttals that fail to confront his arguments. Simply put, Putnam's arguments --the brains in a vat argument as well as the model-theoretic argument -- are "reductios" that are intended to show that "metaphysical realism itself is not sufficiently realistic". If that claim can be substantiated then Putnam can go (...)
  3. An Old Problem for the New Rationalism.Yuval Avnur - 2011 - Synthese 183 (2):175-185.
  4. Putnam on Skepticism.Yemima Ben-Menahem - 2005 - In Hilary Putnam. Cambridge University Press. pp. 125--55.
  5. Can Brains in Vats Think as a Team?Bernhard Schmid Hans - 2003 - Philosophical Explorations 6 (3):201-217.
  6. A Moorean Response to Brain-in-a-Vat Scepticism.T. Black - 2002 - Australasian Journal of Philosophy 80 (2):148 – 163.
  7. A Closer Look at Closure Scepticism.Michael Blome-Tillmann - 2006 - Proceedings of the Aristotelian Society 106 (3):381–390.
    The most prominent arguments for scepticism in modern epistemology employ closure principles of some kind. To begin my discussion of such arguments, consider Simple Knowledge Closure (SKC): (SKC) (Kxt[p] ∧ (p → q)) → Kxt[q].1 Assuming its truth for the time being, the sceptic can use (SKC) to reason from the two assumptions that, firstly, we don’t know ¬sh and that, secondly, op entails ¬sh to the conclusion that we don’t know op, where ‘op’ and ‘sh’ are shorthand for ‘ordinary (...)
  8. Of Brains in Vats, Whatever Brains in Vats May Be.Bredo C. Johnsen - 2003 - Philosophical Studies 112 (3):225 - 249.
    Hilary Putnam has offered two arguments to show that we cannotbe brains in a vat, and one to show that our cognitive situationcannot be fully analogous to that of brains in a vat. The latterand one of the former are irreparably flawed by misapplicationsof, or mistaken inferences from, his semantic externalism; thethird yields only a simple logical truth. The metaphysical realismthat is Putnams ultimate target is perfectly consistent withsemantic externalism.
  9. The External World.C. D. Broad - 1921 - Mind 30 (120):385-408.
  10. Proof.Jessica Brown - unknown
    Davies and Wright have recently diagnosed the felt inadequacy of Moore’s response to the sceptic in terms of a failure of transmission of warrant. They argue that warrant fails to transmit across the following key inference: I have hands, if I have hands then I am not a BIV, so I am not a BIV, on the grounds that this inference cannot be used to rationally overcome doubt about its conclusion, and cannot strengthen one’s epistemic position with respect to the (...)
  11. Debasing scepticism.A. Brueckner - 2011 - Analysis 71 (2):295-297.
    In this paper, I will clarify Jonathan Schaffer's; debasing scepticism, highlighting its logical structure. 1 In many current discussions of scepticism, its scope is limited to propositions about the external world which, if known at all, are known a posteriori. The standard sceptical set-up goes as follows. The sceptic specifies a sceptical hypothesis, or counterpossibility, that is incompatible with the external-world propositions that I claim to know. The hypothesis – e.g. that I am a brain in a vat – is (...)
  12. Klein on Closure and Skepticism.A. L. Brueckner - 2000 - Philosophical Studies 98 (2):139-151.
  13. Reply to Coffman on Closure and Skepticism.Anthony Brueckner - 2008 - Synthese 162 (2):167–171.
    E. J. Coffman defends Peter Klein’s work on epistemic closure against various objections that I raised in an earlier paper. In this paper, I respond to Coffman.
  14. Johnsen on Brains in Vats.Anthony Brueckner - 2006 - Philosophical Studies 129 (3):435-440.
    This is a response to a recent Philosophical Studies article by Bredo Johnsen, in which he makes a number of criticisms of Putnamian anti-skeptical arguments.
  15. Scepticism and the Causal Theory of Reference.Anthony Brueckner - 1995 - Philosophical Quarterly 45 (179):199-201.
  16. Ebbs on Skepticism, Objectivity and Brains in Vats.Anthony Brueckner - 1994 - Pacific Philosophical Quarterly 75:77-87.
  17. Conceiving One's Envatment While Denying Metaphysical Realism.Anthony Brueckner - 1992 - Australasian Journal of Philosophy 70 (4):469 – 474.
    J.D. Collier sees Putnam as arguing that metaphysical realism is false.' He sees the argument as proceeding from the background assumption that metaphysical realism has the consequence that truth is 'radically non-epistemic', so that 'an [epistemically] ideal theory could be radically wrong about the world' [3, p. 413]. But, according to Collier, Putnam argues that 'an ideal theory satisfying all of our methodological and theoretical constraints cannot be false' [3, p. 413]. Collier attempts to defend metaphysical realism against this Putnamian (...)
  18. If I Am a Brain in a Vat, Then I Am Not a Brain in a Vat.Anthony Brueckner - 1992 - Mind 101 (401):123-128.
    Massimo Dell'Utri (1990) provides a reconstruction of Hilary Putnam's argument (1981, chapter 1) to show that the hypothesis that we are brains in a vat is self-refuting. I will explain why the argument Dell'Utri offers us is, on the face of it, quite problematic. Then I will provide a way out of the difficulty.
  19. ``Skepticism and Epistemic Closure&Quot.Anthony Brueckner - 1985 - Philosophical Topics 13 (3):89--117.
  20. Brains in a Vat.Anthony L. Brueckner - 1986 - Journal of Philosophy 83 (3):148-167.
    In chapter 1 of Reason, Truth, and History, Hilary Putnam argues from some plausible assumptions about the nature of reference to the conclusion that it is not possible that all sentient creatures are brains in a vat. If this argument is successful, it seemingly refutes an updated form of Cartesian skepticism concerning knowledge of physical objects. In this paper, I will state what I take to be the most promising interpretation of Putnam's argument. My reconstructed argument differs from an argument (...)
  21. Losing Track of the Sceptic.Anthony L. Brueckner - 1985 - Analysis 45 (2):103 - 104.
  22. Why Nozick is a Sceptic.Anthony L. Brueckner - 1984 - Mind 93 (370):259-264.
  23. Debating Self-Knowledge.Anthony Brueckner & Gary Ebbs - 2012 - Cambridge University Press.
    Language users ordinarily suppose that they know what thoughts their own utterances express. We can call this supposed knowledge minimal self-knowledge. But what does it come to? And do we actually have it? Anti-individualism implies that the thoughts which a person's utterances express are partly determined by facts about their social and physical environments. If anti-individualism is true, then there are some apparently coherent sceptical hypotheses that conflict with our supposition that we have minimal self-knowledge. In this book, Anthony Brueckner (...)
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  24. Deflationary Approaches to Scepticism.Robert Reid Buchanan - 1999 - Dissertation, Mcmaster University (Canada)
    This dissertation examines a traditional philosophical problem within a novel framework. The so-called "problem of the external world" is a problem about how knowledge, and even reasonable belief, about the world are possible, and it is best characterized as the challenge to show how and why scepticism about the external world---the absurd view that such knowledge is impossible---is incorrect. My framework for the examination of this problem involves two major elements. ;The first element involves a general characterization of the nature (...)
  25. Problems for Semantic Externalism and A Priori Refutations of Skeptical Arguments.Keith Butler - 2000 - Dialectica 54 (1):29-49.
    SummaryA familiar sort of argument for skepticism about the external world appeals to the evidential similarity between what is presumed to be the normal case and the case where one is a brain in a vat . An argument from Putnam has been taken by many to provide an a priori refutation of this sort of skeptical argument. The question I propose to address in this paper is whether Putnam's argument affords us an a priori refutation of skeptical arguments that (...)
  26. Brains in Vats and Model Theory.Tim Button - forthcoming - In Sanford Goldberg (ed.), The Brain in a Vat. Cambridge University Press.
    Hilary Putnam’s BIV argument first occurred to him when ‘thinking about a theorem in modern logic, the “Skolem–Löwenheim Theorem”’ (Putnam 1981: 7). One of my aims in this paper is to explore the connection between the argument and the Theorem. But I also want to draw some further connections. In particular, I think that Putnam’s BIV argument provides us with an impressively versatile template for dealing with sceptical challenges. Indeed, this template allows us to unify some of Putnam’s most enduring (...)
  27. The Limits of Realism.Tim Button - 2015 - Oxford University Press UK.
    Tim Button explores the relationship between minds, words, and world. He argues that the two main strands of scepticism are deeply related and can be overcome, but that there is a limit to how much we can show. We must position ourselves somewhere between internal realism and external realism, and we cannot hope to say exactly where.
  28. Brains in a Vat, Language and Metalanguage.Roberto Casati & Jérôme Dokic - 1991 - Analysis 51 (2):91 - 93.
  29. Structuralism as a Response to Skepticism.David Chalmers - manuscript
  30. The Matrix as Metaphysics.David J. Chalmers - 2005 - In Christopher Grau (ed.), Philosophers Explore the Matrix. Oxford University Press. pp. 132.
    The Matrix presents a version of an old philosophical fable: the brain in a vat. A disembodied brain is floating in a vat, inside a scientist’s laboratory. The scientist has arranged that the brain will be stimulated with the same sort of inputs that a normal embodied brain receives. To do this, the brain is connected to a giant computer simulation of a world. The simulation determines which inputs the brain receives. When the brain produces outputs, these are fed back (...)
  31. Skeptical Problems, Semantical Solutions.David Christensen - 1993 - Philosophy and Phenomenological Research 53 (2):301-321.
  32. Could I Conceive Being a Brain in a Vat?John D. Collier - 1990 - Australasian Journal of Philosophy 68 (4):413 – 419.
  33. Embodiment or Envatment? Reflections on the Bodily Basis of Consciousness.Diego Cosmelli & Evan Thompson - 2013 - In J. Stewart, O. Gapenne & E Di Paolo (eds.), Enaction: Towards a New Paradigm for Cognitive Science. MIT Press.
    Suppose that a team of neurosurgeons and bioengineers were able to remove your brain from your body, suspend it in a life-sustaining vat of liquid nutrients, and connect its neurons and nerve terminals by wires to a supercomputer that would stimulate it with electrical impulses exactly like those it normally receives when embodied. According to this brain-in-a-vat thought experiment, your envatted brain and your embodied brain would have subjectively indistinguishable mental lives. For all you know—so one argument goes—you could be (...)
  34. Putnamian Anti-Envattor Ver. 3.00: New Features – Same Results.Jonas Dagys - 2010 - Problemos 77:39-48.
    The paper is devoted to a discussion and critical evaluation of antisceptical arguments in epistemology that are based on causal theory of reference, with the special focus upon the revised version of the Hilary Putnam‘s Brain-in-a-Vat argument presented by Olaf Müller. Müller claims that his argument is based on the metaphysically neutral principles of semantic externalism and disquotation, however more thorough analysis of these principles and of the possibility to use them for antisceptical purposes reveals the flaw in his argument. (...)
  35. Neither Mentioning 'Brains in a Vat' nor Mentioning Brains in a Vat Will Prove That We Are Not Brains in a Vat.Marian David - 1991 - Philosophy and Phenomenological Research 51 (4):891-896.
    In Reason, Truth, and History Hilary Putnam has presented an anti-skeptical argument purporting to prove that we are not brains in a vat. How exactly the argument goes is somewhat controversial. A number of competing "recon¬structions" have been proposed. They suffer from a defect which they share with what seems to be Putnam's own version of the argument. In this paper, I examine a very simple and rather natural reconstruction of the argument, one that does not employ any premises in (...)
  36. Why One Shouldn’T Make an Example of a Brain in a Vat.David Davies - 1997 - Analysis 57 (1):51–59.
  37. Putnam's Brain-Teaser.David Davies - 1995 - Canadian Journal of Philosophy 25 (2):203--27.
  38. Choosing Conceptions of Realism: The Case of the Brains in a Vat.Massimo Dell’Utri - 1990 - Mind 99 (393):79--90.
  39. Externalism and Skepticism.Keith DeRose - manuscript
    A few years back, I participated in the Spindell Conference in Memphis, and gave a paper, “How Can We Know That We’re Not Brains in Vats?” (available on-line at: http://pantheon.yale.edu/~kd47/Spindell.htm). The bulk of that paper concerned responses to skepticism. I pursued an unusually radical criticism of the often-criticized “Putnam-style” responses to skepticism. To put it rather enigmatically, I argued that such responses don’t work even if they work! And I compared such responses with the type of response I favor – (...)
  40. How Can We Know That We 'Re Not Brains in Vats?'.Keith DeRose - 2000 - Southern Journal of Philosophy 38 (S1):121-148.
    This should be fairly close to the text of this paper as it appears in The Southern Journal of Philosophy 38 (2000), Spindel Conference Supplement: 121-148.
  41. Challenging Closure: Is It A Way To Answer The Skeptic?Fred Dretske - 2013 - The Harvard Review of Philosophy 19:61-68.
  42. Scepticism: Three Recently Presented Arguments Examined.Michael Durrant - 1991 - Philosophical Investigations 14 (3):252-266.
  43. Skepticism, Objectivity, and Brains in Vats.Gary Ebbs - 1992 - Pacific Philosophical Quarterly 73 (3):239-266.
  44. How to Undercut Radical Skepticism.Santiago Echeverri - 2017 - Philosophical Studies 174 (5):1299-1321.
    Radical skepticism relies on the hypothesis that one could be completely cut off from the external world. In this paper, I argue that this hypothesis can be rationally motivated by means of a conceivability argument. Subsequently, I submit that this conceivability argument does not furnish a good reason to believe that one could be completely cut off from the external world. To this end, I show that we cannot adequately conceive scenarios that verify the radical skeptical hypothesis. Attempts to do (...)
  45. Why Neo Was Too Confident That He Had Escaped the Matrix.Adam Elga - unknown
    According to a typical skeptical hypothesis, the evidence of your senses has been massively deceptive. Venerable skeptical hypotheses include the hypotheses that you have been deceived by a powerful evil demon, that you are now having an incredibly detailed dream, and that you are a brain in a vat. It is obviously reasonable for you now to be confident that neither of the above hypotheses is true. Epistemologists have proposed many stories to explain why that is reasonable. One theory is (...)
  46. Putnam and the Vat-People.Frank B. Farrell - 1986 - Philosophia 16 (2):147-160.
  47. Refutation of Dogmatism: Putnam's Brains in Vats.Susan Feldman - 1984 - Southern Journal of Philosophy 22 (3):323-329.
  48. Three Attempts to Refute Skepticism and Why They Fail.Richard Foley - 2003 - In S. Luper (ed.), The Skeptics: Contemporary Essays. Ashgate Publishing.
    One of the advantages of classical foundationalism was that it was thought to provide a refutation of skeptical worries, which raise the specter that our beliefs might be extensively mistaken. The most extreme versions of these worries are expressed in familiar thought experiments such as the brain-in-a-vat hypothesis, which imagines a world in which, unbeknownst to you, your brain is in a vat hooked up to equipment programmed to provide it with precisely the same visual, auditory, tactile, and other sensory (...)
  49. Realism and Skepticism: Brains in a Vat Revisited.Graeme Forbes - 1995 - Journal of Philosophy 92 (4):205-222.
  50. Reassessing the Case Against Evidential Externalism.Giada Fratantonio & Aidan McGlynn - forthcoming - In Veli Mitova (ed.), The Factive Turn in Epistemology. Cambridge: Cambridge University Press.
    This paper reassesses the case against Evidential Externalism, the thesis that one's evidence fails to supervene on one's non-factive mental states, focusing on two objections to Externalism due by Nicholas Silins: the armchair access argument and the supervenience argument. It also examines Silins's attempt to undermine the force of one major source of motivation for Externalism, namely that the rival Internalist picture of evidence is implicated in some central arguments for scepticism. While Silins concludes that the case against Evidential Externalism (...)
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