Ken Akiba, Ph.D.


Associate Professor


Ken Akiba is Associate Professor of Philosophy at Virginia Commonwealth University. He came to VCU in 2004. He has published in such areas as philosophical logic, philosophy of language, and metaphysics.


Office: 301 Starke House



Vague Objects and Vague Identity: New Essays on Ontic Vagueness, (co-edited with Ali Abasnezhad). Dordrecht: Springer, 2014.


“A unification of two approaches to vagueness: the Boolean many-valued approach and the modal-precisificational approach.” Journal of Philosophical Logic, forthcoming (on Online First, DOI: 10.1007/s10992-016-9405-y).

“Denotational semantics of the simplified lambda-mu calculus and a new deduction system of classical type theory.” In U. Kohlenbach, S. van Bakel, and S. Berardi (eds.), Proceedings of the 6th International Workshop on Classical Logic and ComputationElectronic Proceedings of Theoretical Computer Science 213 (2016): 11–23.

Erratum to "Denotational semantics of the simplified lambda-mu calculus and a new deduction system of classical type theory."

“How Barnes and Williams have failed to present an intelligible ontic theory of vagueness.” Analysis 75:4 (2015): 565–573.

“Referential indeterminacy with an ontic source? – a criticism of Williams’s defense of vague objects.” Metaphysica 16:2 (2015): 167–178.

“Conjunctive, disjunctive, negative objects and generalized quantification.” In Alessandro Torza (ed.), Quantifiers, Quantifiers, and Quantifiers, 73–95. Springer, 2015.

“A defense of indeterminate distinctness.” Synthese 191 (2014): 3557–3573.

"Introduction." In Akiba and Abasnezhad (2014), 1-21.

"Boolean-valued sets as vague sets." In Akiba and Abasnezhad (2014), 175-195.

"A new theory of quantifiers and term connectives." Journal of Logic, Language and Information 18 (2009): 403–31.

"Probabilistic measures of coherence and the problem of belief individuation" (with Luca Moretti). Synthese 154 (2007): 73–95.

"A unified theory of quotation." Pacific Philosophical Quarterly 86 (2005): 161–71.

"Vagueness in the world." Noûs 38 (2004): 407–29.

"Can deflationism allow for hidden indeterminacy?" Pacific Philosophical Quarterly 83 (2002): 223–34.

"A deflationist approach to indeterminacy and vagueness." Philosophical Studies 107 (2002): 69–86.

"Identity is simple." American Philosophical Quarterly 37 (2000): 389–404.

"Shogenji's probabilistic measure of coherence is incoherent." Analysis 60 (2000): 356–59.

"Vagueness as a modality." Philosophical Quarterly 50 (2000): 359–70.

"Indefiniteness of mathematical objects." Philosophia Mathematica (3) 8 (2000): 26–46.

"Logic and truth: a fictionalist view." Journal of Philosophical Research 25 (2000): 101–23.

"On super- and subvaluationism: a classicist's reply to Hyde." Mind 108 (1999): 727–32.

"Nominalistic metalogic." Journal of Philosophical Logic 27 (1998): 35–47.

"Field on the notion of consistency." Notre Dame Journal of Formal Logic 37 (1996): 625–30.

"Logic as instrument: the Millian view on the role of logic." History and Philosophy of Logic 17 (1996): 73–83. Reprinted in Victor Sanchez-Valencia (ed.), The General Philosophy of John Stuart Mill, 313–23 (Ashgate, 2002).

"Quine and the linguistic doctrine of logical truth." Philosophical Studies 78 (1995): 237–56.