Skip to main content
Log in

Knowability and the capacity to know

  • Published:
Synthese Aims and scope Submit manuscript

Abstract

This paper presents a generalized form of Fitch’s paradox of knowability, with the aim of showing that the questions it raises are not peculiar to the topics of knowledge, belief, or other epistemic notions. Drawing lessons from the generalization, the paper offers a solution to Fitch’s paradox that exploits an understanding of modal talk about what could be known in terms of capacities to know. It is argued that, in rare cases, one might have the capacity to know that p even if it is metaphysically impossible for anyone to know that p, and that recognizing this fact provides the resources to solve Fitch’s paradox.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  • Brogaard, B., & Salerno, J. (2004). Fitch’s paradox of knowability. In E. N. Zalta (Ed.), The stanford encyclopedia of philosophy. http://plato.stanford.edu/archives/sum2004/entries/fitch-paradox/.

  • Brogaard B., Salerno J. (2006) Knowability and a modal closure principle. American Philosophical Quarterly, 43: 261–270

    Google Scholar 

  • Burgess J. (2009) Can truth out?. In: Salerno J. (eds) New essays on knowability. Oxford University Press, Oxford

    Google Scholar 

  • DeVidi D., Kenyon T. (2003) Analogues of knowability. Australasian Journal of Philosophy 81: 481–495

    Article  Google Scholar 

  • Edgington D. (1985) The paradox of knowability. Mind 93: 557–568

    Article  Google Scholar 

  • Fara M. (2007) The paradox of believability. Review of Contemporary Philosophy 6: 13–17

    Google Scholar 

  • Fitch F. B. (1963) A logical analysis of some value concepts. Journal of Symbolic Logic 28: 135–142

    Article  Google Scholar 

  • Hand M., Kvanvig J. (1999) Tennant on knowability. Australasian Journal of Philosophy 77: 422–428

    Article  Google Scholar 

  • Hume D. (1777) An enquiry concerning human understanding. Oxford University Press, Oxford

    Google Scholar 

  • Kvanvig J. (1995) The knowability paradox and the prospects for anti-realism. Noûs 29: 481–499

    Article  Google Scholar 

  • Lewis D. (1976) The paradoxes of time travel. American Philosophical Quarterly 13: 145–152

    Google Scholar 

  • Rabinowicz W., Segerberg K. (1994) Actual truth, possible knowledge. Topoi 13: 101–115

    Article  Google Scholar 

  • Restall, G. (2004). Not every truth can be known (at least, not all at once). http://consequently.org/writing/notevery/.

  • Rosenkranz S. (2004) Fitch back in action again?. Analysis, 64: 67–71

    Article  Google Scholar 

  • Soames S. (1998) The modal argument: Wide scope and rigidified descriptions. Noûs 32: 1–22

    Google Scholar 

  • Stalnaker R. (1970) Pragmatics. Synthese 22: 272–289

    Article  Google Scholar 

  • Stalnaker R. (1973) Presuppositions. Journal of Philosophical Logic 2: 447–457

    Article  Google Scholar 

  • Stalnaker R. (1974) Pragmatic presuppositions. In: Munitz M., Unger P. (eds) Semantics and philosophy. New York University Press, New York, pp 197–213

    Google Scholar 

  • Stalnaker R. (1984) Inquiry. MIT Press, Cambridge, MA

    Google Scholar 

  • Stalnaker R. (2002) Common ground. Linguistics and Philosophy 25: 701–721

    Article  Google Scholar 

  • Tennant N. (1997) The taming of the true. Oxford University Press, Oxford

    Google Scholar 

  • Tennant N. (2000) Anti-realist aporias. Mind 109: 825–854

    Article  Google Scholar 

  • Tennant N. (2001) Is every truth knowable? Reply to Hand and Kvanvig. Australasian Journal of Philosophy 79: 107–113

    Article  Google Scholar 

  • van Inwagen P. (1983) An essay on free will. Oxford University Press, Oxford

    Google Scholar 

  • Williamson T. (1982) Intuitionism disproved?. Analysis 42: 203–207

    Article  Google Scholar 

  • Williamson T. (1987) On the paradox of knowability. Mind 96: 256–261

    Article  Google Scholar 

  • Williamson T. (1993) Verificationism and non-distributive knowledge. Australasian Journal of Philosophy 71: 78–86

    Article  Google Scholar 

  • Williamson T. (2000) Knowledge and its limits. Oxford University Press, Oxford

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Michael Fara.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Fara, M. Knowability and the capacity to know. Synthese 173, 53–73 (2010). https://doi.org/10.1007/s11229-009-9676-8

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11229-009-9676-8

Keywords

Navigation