VAGUENESS BIBLIOGRAPHY

Below is a condensed bibliography on the logic and semantics of vagueness. I made it when I was preparing to write my M.A. thesis on vagueness and the sorites paradox.

1. Introductory Material
2. Historical
3. Vague Objects & Identity
4. Epistemicism
5. Supervaluationism
6. Subvaluationism
7. Contextualism & Pragmatism
8. Many-valued Theories

1. Introductory Books on Paradox with a Sorites Component

Clark, Michael. 2002. Paradoxes from A to Z. London and New York: Routledge.
Rescher, Nicholas. 2001. Paradoxes: Their Roots, Range, and Resolution. Chicago and La Salle: Open Court.
Sainsbury, Mark. 1988. Paradoxes. Cambridge: Cambridge University Press.

2. Historical

Aldrich, V. 1937. Some Meanings of "Vague". Analysis 4:89-95.
Aristotle. 1937. The Works of Aristotle. Edited by W. D. Ross. 12 vols. London: Oxford University Press.
Austin, John Langshaw. 1962. Sense and Sensibilia. Edited by G. J. Warnock. Oxford: Oxford University Press.
Bain, Alexander. 1870. Logic. London: Longman.
Barnes, Jonathan. 1982. Medicine, Experience, and Logic. In Science and Speculation, edited by J. Barnes, J. Brunschwig, M. F. Burnyeat and M. Schofield. Cambridge: Cambridge University Press.
Black, Max. 1937. Vagueness. An Exercise in Logical Analysis. Philosophy of Science 4 (4):427-455.
———. 1949. Language and Philosophy. Ithaca, New York: Cornell University Press.
———. 1963. Reasoning with Loose Concepts. Dialogue 2:1-12.
———. 1970. Margins of Precision. Ithaca, New York: Cornell University Press.
Bobzien, Susanne. 2002. Chrysippus and the Epistemic Theory of Vagueness. Proceedings of the Aristotelian Society 102:217-38.
Burnyeat, M.F. 1982. Gods and Heaps. In Language and Logos, edited by M. Schofield and M. C. Nussbaum. Cambridge: Cambridge University Press.
Cicero. 1961. De Natura Deorum Academica: Harvard University Press.
Dummett, Michael Anthony Eardley. 1981. The Interpretation of Frege's Philosophy. London: Duckworth.
Frege, Friedrich Ludwig Gottlob. 1960. Translations from the Philosophical Writings of Gottlob Frege. Edited by P. T. Geach and M. Black. 2nd ed. Oxford: Blackwell.
Gould, Josiah B. 1970. The Philosophy of Chrysippus. Albany: State University of New York Press.
Heijenoort, Jean van, ed. 1967. From Frege to Godel. Cambridge, Massachusetts: Harvard University Press.
———. 1985. Frege and Vagueness. In Frege Synthesized, edited by L. Haaparanta and K. J. J. Hintikka. Dordrecht: Reidel.
Hempel, Carl G. 1939. Vagueness and Logic. Philosophy of Science 6 (2):163-180.
Hicks, Robert Drew. 1910. Stoic and Epicurean. New York: Charles Scribner's Sons.
Kneale, William, and Martha Kneale. 1962. The Development of Logic. Oxford: Clarendon Press.
Mates, Benson. 1961. Stoic Logic. Berkeley and Los Angeles: University of California Press.
Mehlberg, Henryk. 1958. The Reach of Science. London: Oxford University Press.
Morris, Charles. 1971. Foundations of the Theory of Signs. In Foundations of the Unity of Science. Toward an International Encyclopedia of Unified Science, edited by O. Neurath, R. Carnap and C. Morris. Chicago and London: The University of Chicago Press.
Mueller, Ian. 1979. The completeness of Stoic propositional logic. Notre Dame Journal of Formal Logic 20 (1):201–215.
Plato. 1997. The Works of Plato. Edited by J. M. Cooper and D. S. Hutchinson: Hackett Publishing Company.
Russell, Bertrand. 1923. Vagueness. Australasian Journal of Philosophy and Psychology 1:84-92.
———. 1983-. The Collected Papers of Bertrand Russell. Edited by E. Eames and J. G. Slater. many vols. London: Allen & Unwin/Unwin Hyman.
Wittgenstein, Ludwig Josef Johann. 1953. Philosophical Investigations. Translated by G. E. M. Anscombe. Oxford: Blackwell.
Zeller, Eduard. 1962. The Stoics, Epicureans, and Sceptics. Translated by O. J. Reichel. New York: Russell & Russell, Inc.

3. Vague Objects and Identity

 Akiba, Ken. 2000. Indefiniteness of mathematical objects. Philosophia Mathematica 8:26-46.
———. 2000. Vagueness as a Modality. The Philosophical Quarterly 50 (200):359-370.
———. 2002. A deflationist approach to indeterminacy and vagueness. Philosophical Studies 107:69-86.
———. 2002. Review of Terence Parsons, Indeterminate Identity. Philosophical Quarterly 52:262-265.
Broome, John. 1984. Indefiniteness in Identity. Analysis 44:6-12.
Burgess, John Alexander. 1989. Vague Identity: Evans Misrepresented. Analysis 49,:112-119.
———. 1990. Vague Objects and Indefinite Identity. Philosophical Studies 59:263-87.
Cook, Monte. 1986. Indeterminacy of Identity. Analysis 46:176-86.
Copeland, Jack. 1995. On Vague Objects, Fuzzy Logic and Fractal Boundaries. Southern Journal of Philosophy 33:83-96.
———. 1997. Vague Identity and Fuzzy Logic. The Journal of Philosophy 94 (10):514-534.
———. 2002. Indeterminate Identity, Contingent Identity, and Property Identity, Aristotelian-Style. Philosophical Topics 28:11-23.
Cowles, David. 1994. On Van Inwagen's Defense of Vague Identity. Philosophical Perspectives 8 (Logic and Language):137-158.
Cowles, David, and M.J. White. 1991. Vague Objects for Those Who Want Them. Philosophical Studies 63:203-216.
Edgington, Dorothy. 2002. Indeterminacy de re. Philosophical Topics 28:27-44.
Evans, Gareth. 1978. Can There Be Vague Objects? Analysis 38:208.
Fisher, Pete. 2000. Sorites paradox and vague geographies. Fuzzy Sets and Systems 113:7-18.
French, S, and D Krause. 1995. Vague identity and quantum indeterminacy. Analysis 55:20-26.
Garrett, Brian. 1988. Vagueness and Identity. Analysis 48:130-134.
———. 1991. Vagueness, Identity, and the World. Logique et analyse 135:349-358.
———. 1991. Vague Identity and Vague Objects. Noûs 25:341-51.
Hawley, Katherine. 2002. Vagueness and Existence. Proceedings of the Aristotelian Society 102:125-140.
Heck Jr, Richard G. 1998. That There Might be Vague Objects (So Far As Concerns Logic). Monist 81:277-299.
Howard-Snyder, F. 1991. De re modality Entails de re Vagueness. Pacific Philosophical Quarterly 72:101-112.
Inwagen, Peter van. 1988. How to Reason About Vague Objects. Philosophical Topics 16:255-84.
Johnsen, B. 1989. Is Vague Identity Incoherent. Analysis 49:103-112.
Keefe, Rosanna. 1995. Contingent Identity and Vague Identity. Analysis 55:183-190.
———. 2002. Review of Terence Parsons, Indeterminate Identity: Metaphysics and Semantics. Mind 111:466-470.
Koslicki, Kathrin. 2003. The Crooked Path from Vagueness to Four-Dimensionalism. Philosophical Studies 114:107-134.
Krause, D, and S French. 2003. Quantum vagueness. Erkenntnis 59:97-124.
Lewis, David. 1988. Vague Identity: Evans Misunderstood. Analysis 48:128-30.
Linsky, Bernard. 1984. The Identity of Indistinguishables. Synthese 59:363-80.
Lowe, E. J. 1994. Vague Identity and Quantum Indeterminacy. Analysis 54:110-114.
Markosian, Ned. 2000. Sorensen's Argument Against Vague Identities. Philosophical Studies 97:1-9.
McKinnon, Neil. 2003. Vague simples. Pacific Philosophical Quarterly 84 (4):394-397.
Merricks, Trenton. 2001. Varieties of Vagueness. Philosophy and Phenomenological Research 62:145-57.
Morreau, Michael. 2002. What Vague Objects Are Like. Journal of Philosophy 99:333-361.
Noonan, Harold W. 1980. Objects and Identity. The Hague: Martinus Nijhoff.
———. 1982. Vague Objects. Analysis 42:3-6.
———. 1984. Indefinite Identity: A Reply to Broome. Analysis 44:117-21.
———. 1990. Vague Identity Yet Again. Analysis 50:157-162.
———. 1995. E J Lowe on Vague Identity and Quantum Indeterminacy. Analysis 55:14-19.
———. 2004. Are There Vague Objects? Analysis 64 (2):131-134.
Over, D.E. 1989. Vague Objects and Identity. Analysis 49:97-99.
Parsons, Terence. 1987. Entities Without Identity. Philosophical Perspectives 1 (Metaphysics):1-19.
———. 2000. Indeterminate Identity: Metaphysics and Semantics. Oxford: Oxford University Press.
Parsons, Terence, and Peter Woodruff. 1995. Wordly Indeterminancy of identity. Proceedings of the Aristotelian Society 95:171-91.
———. 1997. Indeterminacy of Identity of Objects and Sets. Philosophical Perspectives 11:321-48.
Pelletier, Francis Jeffry. 1989. Another Argument Against Vague Objects. Journal of Philosophy 86:481-492.
Pinillos, Ángel. 2003. Counting and Indeterminate Identity. Mind 112:35-50.
Priest, Graham. 1991. Sorites and Identity. Logique et Analyse 135-6:293-296.
———. 1998. Fuzzy Identity and Local Validity. Monist 81:331-342.
Rasmussen, Stig Alstrup. 1986. Vague Identity. Mind 95:81-91.
Rosen, Gideon, and Nicholas J.J. Smith. 2004. Worldly Indeterminacy: A Rough Guide. Australasian Journal of Philosophy 82 (1):185-198.
Sainsbury, Mark. 1989. What is a Vague Object? Analysis 49:99-103.
———. 1995. Why the World Could Not be Vague. Southern Journal of Philosophy 33 (Supplement):63-81.
Simons, Peter. 1999. Does the Sun Exist? The Problem of Vague Objects. In Proceedings of the Twentieth World Congress of Philosophy Vol. II: Metaphysics, edited by T. Rockmore. Bowling Green: Philosophy Documentation Center.
Stalnaker, Robert. 1988. Vague Identity. In Philosophical Analysis: A Defense by Example, edited by D. F. Austin. Dordrecht: Kluwer Academic Publishers.
Sypniewska, J.O. 2001. Quantum indiscernibility without vague identity. Analysis 61:65-8.
Thomason, Richmond. 1982. Identity and Vagueness. Philosophical Studies 43:329-32.
Tye, Michael. 1990. Vague Objects. Mind 99 (396):535-557.
———. 2002. Vagueness and Reality. Philosophical Topics 28:195-210.
Varzi, Achille C. 2001. Vagueness in geography. Philosophy & Geography 4 (1):49-65.
———. 2001. Vagueness, Logic, and Ontology. The Dialogue 1:135-54.
Ward, David V. 1984. The Indeterminacy of Identity Conditions. Southern Journal of Philosophy 22:257-262.
Wiggins, David. 1986. On Singling Out an Object Determinately. In Subject, Thought and Context, edited by P. Pettit and J. McDowell. Oxford: Clarendon Press.
Williamson, Timothy. 1994. Vagueness. London and New York: Routledge.
———. 2002. Vagueness, identity and Leibniz's Law. In Individuals, Essence and Identity: Themes of Analytic Metaphysics, edited by P. Giaretta, A. Bottani and C. M. Dordrecht: Kluwer.
Zemach, Eddy M. 1974. In defence of relative identity. Philosophical Studies 26:207-18.
———. 1983. Identity and Open Texture. Philosophia 13:255-62.
———. 1991. Vague Objects. Noûs 25:323-340.

4. Epistemicism

 Alter, Torin. 2004. Epistemicism and the Combined Spectrum. Ratio: An International Journal of Analytic Philosophy 17 (3):241-255.
Armour-Garb, Bradley, and J C Beall. 2005. Minimalism, Epistemicism, and Paradox. In Deflationism and Paradox, edited by J. C. Beall. Oxford: Clarendon Press.
Bobzien, Susanne. 2002. Chrysippus and the Epistemic Theory of Vagueness. Proceedings of the Aristotelian Society 102:217-38.
Burgess, John Alexander. 1998. In Defense of an Indeterminist Theory of Vagueness. Monist: An International Quarterly Journal of General Philosophical Inquiry 81 (2):233-252.
———. 2001. Vagueness, Epistemicism and Response-Dependence. Australasian Journal of Philosophy 79:507-24.
Campbell, K. 1974. The Sorites Paradox. Philosophical Studies 26:175-191.
Cargile, James. 1969. The Sorites Paradox. British Journal for the Philosophy of Science 20 (3):193-202.
———. 2005. The Fallacy of Epistemicism. In Oxford Studies in Epistemology, edited by T. S. Gendler. Oxford: Clarendon Press.
Copeland, Jack. 1994. Vagueness and Bivalence: A Discussion of Williamson and Simons. Proceedings of the Aristotelian Society 68:193-200.
Ebbs, Gary. 2001. Vagueness, Sharp Boundaries, and Supervenience Conditions. Synthèse 127:303-23.
Elder, Crawford L. 2000. Familiar Objects and the Sorites of Decomposition. American Philosophical Quarterly 37:79-89.
Field, Hartry. 2000. Indeterminacy, Degree of Belief, and Excluded Middle. Noûs 34:1-30.
Gómez-Torrente, Mario. 1997. Two Problems for an Epistemicist View of Vagueness. Philosophical Issues 8: Truth:237-245.
———. 2002. Vagueness and Margin for Error Principles. Philosophy and Phenomenological Research 64:107-26.
Graff, Delia. 2002. An Anti-Epistemicist Consequence of Margin for Error Semantics for Knowledge. Philosophy and Phenomenological Research 64:127-42.
Greenough, Patrick. 2003. Vagueness: A Minimal Theory. Mind 112:235-81.
Heller, Mark. 1990. The Ontology of Physical Objects: Four-Dimensional Hunks of Matter. Cambridge: Cambridge University Press.
Horgan, Terence. 1997. Brute Supervenience, Deep Ignorance, and the Problem of the Many. Philosophical Issues 8:229-36.
Horwich, Paul. 1997. The Nature of Vagueness. Philosophy and Phenomenological Research: A Quarterly Journal 57 (4):929-935.
Hyde, Dominic. 1995. Review of T Williamson: Vagueness. Mind 104:919-25.
Jackman, Henry. 2004. Temporal Externalism and Epistemic Theories of Vagueness. Philosophical Studies: An International Journal for Philosophy in the Analytic Tradition 117 (1-2):79-94.
Jackson, Frank. 2002. Language, Thought and the Epistemic Theory of Vagueness. Language and Communication 22:269-79.
Keefe, Rosanna. 2000. Theories of Vagueness. Cambridge: Cambridge University Press.
Mott, Peter L. 1998. Margins for Error and the Sorites Paradox. Philosophical Quarterly 48:494-504.
Ray, Greg. 2004. Williamson's Master Argument on Vagueness. Synthese 138 (2):175-206.
Rolf, Bertil. 1984. Sorites. Synthèse 58:219-50.
Rosenkranz, Sven. 2003. Wright on Vagueness and Agnosticism. Mind 112:449-64.
Sainsbury, Mark. 1995. Vagueness, Ignorance and Margin for Error (Critical Notice of Timothy Williamson: Vagueness). British Journal for the Philosophy of Science 46:589-601.
Scheffler, Israel. 1979. Beyond the Letter: A Philosophical Inquiry Into Ambiguity, Vagueness and Metaphor in Language. London: Routledge & Kegan Paul.
Schiffer, Stephen. 1999. The Epistemic Theory of Vagueness. Philosophical Perspectives 13 (Supplement to Nous: Epistemology):481-503.
Simons, Peter. 1992. Vagueness and Ignorance. Proceedings of the Aristotelian Society Supplementary Volume 63:163-77.
———. 1996. Critical Notice of Timothy Williamson, Vagueness. International Journal of Philosophical Studies:321-7.
Sorensen, Roy A. 1988. Blindspots. Oxford: Clarendon Press.
———. 1988. Vagueness, Blurriness, and Measurement. Synthèse 75:45-82.
———. 1994. A Thousand Clones. Mind 103 (409):47-54.
———. 1995. The Epistemic Conception of Vagueness: Comments on Wright. Southern Journal of Philosophy (Supplement) 33:161-70.
———. 1997. Sharp Boundaries for Blobs. Philosophical Studies 91: 275-95.
———. 2000. A Vague Demonstration. Linguistics and Philosophy 23:507-22.
———. 2001. Vagueness and Contradiction. Oxford: Oxford University Press.
Weatherson, Brian. 2003. Epistemicism, Parasites and Vague Names. Australasian Journal of Philosophy 81:276-79.
———. 2003. Review of Vagueness and Contradiction, by Roy Sorensen. Australasian Journal of Philosophy 81:290-2.
Weintraub, R. 2004. On Sharp Boundaries for Vague Terms. Synthese 138 (2):233-245.
Williamson, Timothy. 1990. Review of Sorenen: Blindspots. Mind 99:137-140.
———. 1992. Inexact Knowledge. Mind 101:217-242.
———. 1992. Vagueness and ignorance. Proceedings of the Aristotelian Society 66 (supplement):145-162.
———. 1994. Vagueness. London and New York: Routledge.
———. 1995. Definiteness and Knowability. Southern Journal of Philosophy 33 (Spindel Conference Supplement):171-191.
———. 1996. What Makes it a Heap? Erkenntnis 44:327-39.
———. 1996. Wright on the Epistemic Conception of Vagueness. Analysis 56:39.
———. 1997. Imagination, Stipulation and Vagueness. In Philosophical Issues 8: Truth, edited by E. Villanueva. Atascadero: Ridgeview.
———. 1997. Précis of Vagueness. Review of Vagueness.
Williamson, Timothy. Philosophy and Phenomenological Research: A Quarterly Journal 57 (4):921-928.
———. 1997. Replies to Commentators. Philosophy and Phenomenological Research: A Quarterly Journal 57 (4):945-953.
———. 1999. Andjelkoviæ on Bivalence: A Reply. Acta Analytica 14:35-38.
———. 1999. Schiffer on the Epistemic Theory of Vagueness. Philosophical Perspectives 13 (Epistemology):505-517.
———. 2000. Knowledge and Its Limits. Oxford: Oxford University Press.
———. 2000. Margins for Error: A Reply to Mott. Philosophical Quarterly (50):76-81.
———. 2001. Vagueness, indeterminacy and social meaning. Critical Studies 16:61-76.
———. 2002. Epistemicist models: Comments on Gómez-Torrente and Graff. Philosophy and Phenomenological Research 64:143-50.
———. 2005. Précis of Knowledge and its Limits. Philosophy and Phenomenological Research 70 (2):431-435.
———. 2005. Replies to commentators. Philosophy and Phenomenological Research 70 (2):468-491.
Wright, Crispin. 1995. The Epistemic Conception of Vagueness. Southern Journal of Philosophy (Supplement) 33:133-59.
———. 2001. On Being in a Quandary. Relativism Vagueness Logical Revisionism. Mind 110:45-98.
———. 2003. Rosenkranz on Quandary, Vagueness and Intuitionism. Mind 112: 465-74.

5. Supervaluationism

Akiba, Ken. 1999. On Super- and Subvaluationism: A Classicist's Reply to Hyde. Mind: A Quarterly Review of Philosophy 108 (432):727-732.
———. 2000. Vagueness as a Modality. The Philosophical Quarterly 50 (200):359-370.
———. 2002. A deflationist approach to indeterminacy and vagueness. Philosophical Studies 107:69-86.
Armstrong, David M. 1993. Reply to Lewis. In Ontology, Causality and Mind: Essays in honour of D.M. Armstrong., edited by J. Bacon, K. Campbell and L. Reinhardt. Cambridge: Cambridge University Press.
Ballweg, Joachim. 1983. Vagueness or context-dependence? Supervaluation revisited in a semantics based on scales. In Approaching Vagueness, edited by T. T. Ballmer and M. Pinkal. North-Holland, Amsterdam: Elsevier Science Publishers B.V.
Beall, JC, and Mark Colyvan. 2001. Heaps of Gluts and Hyde-ing the Sorites. Mind 110:401-8.
Eklund, Matti. 2001. Supervaluationism, Vagueifiers and Semantic Overdetermination. Dialectica 55:363-78.
Field, Hartry. 1994. Disquotational Truth and Factually Defective Discourse. The Philosophical Review 103 (3):405-452.
Fine, Kit. 1975. Vagueness, Truth and Logic. Synthese 30:265-300.
Fodor, Jerry A., and Ernest Lepore. 1996. What Cannot be Evaluated Cannot be Evaluated and it Cannot be Supervalued Either. The Journal of Philosophy 93 (10):516-535.
Graff, Delia. 2003. Gap Principles, Penumbral Consequence, and Infinitely Higher-Order Vagueness. In Liars and Heaps: New Essays on Paradox, edited by J. Beall. Oxford: Clarendon Press.
Hardegree, Gary M. 2005. Completeness and Super-Valuations. Journal of Philosophical Logic 34 (1):81-95.
Hawthorne, John. 2005. Vagueness and the Mind of God. Philosophical Studies: An International Journal for Philosophy in the Analytic Tradition 122 (1):1-25.
Horgan, Terence. 1997. Brute Supervenience, Deep Ignorance, and the Problem of the Many. Philosophical Issues 8:229-36.
Hudson, Hud. 2000. Universalism, Four Dimensionalism, and Vagueness. Philosophy and Phenomenological Research 60:547-60.
Hyde, Dominic. 1997. From Heaps and Gaps to Heaps of Gluts. Mind 106 (424):641-660.
———. 2001. A Reply to Beall and Colyvan. Mind 110:409-11.
Keefe, Rosanna. 2000. Theories of Vagueness. Cambridge: Cambridge University Press.
———. 2002. Supervaluationism and Validity. Philosophical Topics 28:93-106.
Koons, R. C. 1994. A New Solution to The Sorites Problem. Mind 103 (412):439-449.
Kremer, Philip, and Michael Kremer. 2003. Some Supervaluation-Based Consequence Relations. Journal of Philosophical Logic 32 (3):225-244.
Lewis, David. 1993. Many, but Almost one. In Ontology, Causality and Mind: Essays in honour of D.M. Armstrong., edited by J. Bacon, K. Campbell and L. Reinhardt. Cambridge: Cambridge University Press.
Lowe, E. J. 1995. The Problem of the Many and the Vagueness of Constitution. Analysis 55:179.
Markosian, Ned. 1998. Brutal Composition. Philosophical Studies 92:211-49.
McGee, Van, and Brian P. McLaughlin. 1995. Distinctions without a difference. Southern Journal of Philosophy 33 (Supplement):203-51.
———. 2002. The Lessons of the Many. Philosophical Topics 28:129-51.
McKinnon, Neil. 2002. Supervaluations and the Problem of the Many. Philosophical Quarterly 52:320-39.
Mehlberg, Henryk. 1958. The Reach of Science. London: Oxford University Press.
Mills, Andrew P. 1995. Unsettled Problems with Vague Truth. Canadian Journal of Philosophy 25 (1):103-117.
Morreau, Michael. 1999. Supervaluation can leave truth-value gaps after all. Journal of Philosophy 96:148-56.
Rasmussen, Stig Alstrup. 1990. Supervaluational Antirealism and Logic. Synthese 84:97-138.
Sanford, David H. 1976. Competing Semantics of Vagueness: Many Values Versus Super-Truth. Synthèse 33:195-210.
———. 1993. The Problem of the Many, Many Composition Questions, and Naive Mereology. Noûs 27:219-28.
Sorensen, Roy A. 2002. Direct Reference and Vague Identity. Philosophical Topics (28):177-92.
Tweedale, Martin M. 2004. Future Contingents and Deflated Truth-Value Gaps. Noûs 38 (2):233-265.
Tye, Michael. 1989. Supervaluationism and the Law of Excluded Middle. Analysis 49:141-3.
van Fraassen, B.C. 1969. Presuppositions, Supervaluations and Free Logic. In The Logical Way of Doing Things, edited by K. Lambert. New Haven: Yale University Press.
Varzi, Achille. 2000. Supervaluationism and Paraconsistency. In Frontiers in Paraconsistent Logic, edited by D. Batens, C. Mortensen, G. Priest and J. P. Van Bendegem. Baldock: Research Studies Press.
———. 2001. Vagueness, Logic, and Ontology. The Dialogue 1:135-54.
Varzi, Achille, and John Collins. 2002. Unsharpenable Vagueness. Philosophical Topics 28:1-10.
Weatherson, Brian. 2003. Many Many Problems. Philosophical Quarterly 53 (213):481-501.
———. 2003. Many Many Problems. Philosophical Quarterly 53 (213):481-501.
Williamson, Timothy. 1994. Vagueness. London and New York: Routledge.
———. 1995. Definiteness and Knowability. Southern Journal of Philosophy 33 (Spindel Conference Supplement):171-191.
———. 2002. Horgan on Vagueness. Grazer Philosophische Studien 63:273-85.
———. 2004. Reply to McGee and McLaughlin. Linguistics and Philosophy 27 (1):113-122.

6. Subvaluationism

Akiba, Ken. 1999. On Super- and Subvaluationism: A Classicist's Reply to Hyde. Mind: A Quarterly Review of Philosophy 108 (432):727-732.
———. 2000. Vagueness as a Modality. The Philosophical Quarterly 50 (200):359-370.
Arruda, A.I. 1989. Aspects of the Historical Development of Paraconsistent Logic. In Paraconsistent Logic: Essays on the Inconsistent, edited by G. Priest, R. Routley and J. Norman. Munchen: Philosophia.
Arruda, A.I., and E.G. Alves. 1979. Some Remarks on the Logic of Vagueness. Bulletin Section of Logic: Polish Academy of Sciences 8:133-8.
Beall, JC, and Mark Colyvan. 2001. Heaps of Gluts and Hyde-ing the Sorites. Mind 110:401-8.
Da Costa, Newton Carneiro Affonso, and F.A. Doria. 1995. On Jaskowski's Discussive Logics. Studia Logica 54:33-60.
Da Costa, Newton Carneiro Affonso, and R.G. Wolf. 1980. Studies in Paraconsistent Logic I: The Dialectical Principle of the Unity of Opposites. Philosophia 9:189-217.
Goguen, J.A. 1969. The Logic of Inexact Concepts. Synthèse 19:325-73.
Hyde, Dominic. 1997. From Heaps and Gaps to Heaps of Gluts. Mind 106 (424):641-660.
———. 1999. Pleading Classicism. Mind: A Quarterly Review of Philosophy 108 (432):733-735.
———. 2001. A Reply to Beall and Colyvan. Mind 110:409-11.
Jaskowski, S. 1969. Propositional Calculus for Contradictory Deductive Systems. Studia Logica 24:143-157.
Machina, Kenton. 1976. Truth, Belief and Vagueness. Journal of Philosophical Logic 5:47-78.
McGill, V.J., and W.T. Parry. 1948. The Unity of Opposites: A Dialectical Principle. Science and Society 12:418-44.
Milosz, Czeslaw. 1980. The Captive Mind. London: Penguin.
Odrowaz-Sypniewska, Joanna. 2001. Heaps and Gluts: Paraconsistent Logic Applied to Vagueness. Logic and Logical Philosophy 7:179-193.
Pena, L. 1989. Verum et ens Convertuntur. In Paraconsistent Logic: Essays on the Inconsistent, edited by G. Priest, R. Routley and J. Norman. Munchen: Philosophia.
Plekhanov, Gregory. 1941. Fundamental Problems of Marxism. London: Lawrence and Wishart.
Priest, Graham. 1995. Gaps and Gluts: Reply to Parsons. Canadian Journal of Philosophy 25:57-66.
Priest, Graham, and Richard Routley. 1989. Applications of a Paraconsistent Logic. In Paraconsistent Logic: Essays on the Inconsistent, edited by G. Priest, R. Routley and J. Norman. Munchen: Philosophia.
———. 1989. First Historical Introduction: A Preliminary History of Paraconsistent and Dialethic Approaches. In Paraconsistent Logic: Essays on the Inconsistent, edited by G. Priest, R. Routley and J. Norman. Munchen: Philosophia.
Priest, Graham, Richard Routley, and Jean Norman, eds. 1989. Paraconsistent Logic: Essays on the Inconsistent. Munchen: Philosophia.
———, eds. 1989. Paraconsistent Logic: Essays on the Inconsistent. Munchen: Philosophia.
Sypniewska, J.O. 1999. Heaps and gluts: paraconsistent logic applied to vagueness. Logic and Logical Philosophy 7:179-93.
Varzi, Achille. 1994. Universal Semantics. PhD, University of Toronto.
———. 1995. Super-Duper Supervaluationism. In Logica '94: Proceedings of the 8th International Symposium, edited by T. Childers and O. Majer. Prague: Philosophia.
Varzi, Achille C. 2004. Conjunction and Contradiction. In The Law of Non-Contradiction: New Philosophical Essays, edited by G. Priest, J. Beall and B. Armour-Garb. Oxford: Oxford University Press.
Zadeh, Lotfi. 1975. Fuzzy Logic and Approximate Reasoning. Synthese 30:407-28.

7. Contextualism and Pragmatism

Ballweg, Joachim. 1983. Vagueness or context-dependence? Supervaluation revisited in a semantics based on scales. In Approaching Vagueness, edited by T. T. Ballmer and M. Pinkal. North-Holland, Amsterdam: Elsevier Science Publishers B.V.
Bosch, Peter. 1983. 'Vagueness' is Context-Dependent. In Approaching Vagueness, edited by T. T. Ballmer and M. Pinkal. North-Holland, Amsterdam: Elsevier Science Publishers B.V.
Burns, Linda C. 1986. Vagueness and Coherence. Synthese 68:487-513.
---. 1991. Vagueness: An Investigation into Natural Languages and the Sorites Paradox. Dordrecht: Kluwer.
---. 1995. Something to do with Vagueness. Southern Journal of Philosophy 33 (Supplement):23-47.
Graff, Delia. 2002. Shifting Sands: An Interest-Relative Theory of Vagueness. Philosophical Topics 28:45-81.
Gross, Steven A. 2001. Essays on Linguistic Context-Sensitivity and its Philosophical Significance. New York: Routledge.
Horgan, Terence. 1995. Transvaluationism: a Dionysian Approach to Vagueness. Southern Journal of Philosophy 33 (Spindel Conference Supplement):97-125.
Kamp, Hans. 1981. The Paradox of the Heap. In Aspects of Philosophical Logic, edited by U. Mönnich. Dordrecht: Reidel.
Kyburg, Alice, and Michael Morreau. 2000. Fitting Words: vague language in context. Linguistics and Philosophy 23:577-597.
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Raffman, Diana. 1994. Vagueness Without Paradox. Philosophical Review 103:41-74.
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Robertson, Teresa. 2000. On Soames's solution to the sorites paradox. Analysis 60:328-34.
Shapiro, Stewart. 2003. Vagueness and Conversation. In Liars and Heaps: New Essays on Paradox, edited by Beall, JC. Oxford: Clarendon Press.
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Williamson, Timothy. 2002. Soames on Vagueness. Philosophy and Phenomenological Research 65:422-428.

8. Multi-valued Approaches to Vagueness

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Beall, JC, and Mark Colyvan. 2001. Heaps of Gluts and Hyde-ing the Sorites. Mind 110:401-8.
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Chambers, Timothy. 1998. On Vagueness, Sorites, and Putnam's "Intuitionistic Strategy". Monist: An International Quarterly Journal of General Philosophical Inquiry 81:343-8.
Cleave, J.P. 1970. The Notion of Validity in Logical Systems With Inexact Predicates. British Journal for the Philosophy of Science 21:269-74.
Cook, Roy. 2002. Vagueness and Mathematical Precision. Mind 111:225-48.
Copeland, B. Jack. 1997. Vague Identity and Fuzzy Logic. The Journal of Philosophy 94 (10):514-534.
Copeland, Jack. 1994. Vagueness and Bivalence: A Discussion of Williamson and Simons. Proceedings of the Aristotelian Society 68:193-200.
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Everett, Anthony. 2000. A Simple Logic for Comparisons and Vagueness. Synthèse 123:263-8.
Fisher, Pete. 2000. Sorites paradox and vague geographies. Fuzzy Sets and Systems 113:7-18.
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Keefe, Rosanna. 1998. Vagueness by Numbers. Mind 107:565-80.
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Kijania-Placek, Katarzyna. 2002. What Difference Does It Make: Three Truth-Values or Two Plus Gaps? Erkenntnis 56 (1):83-98.
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Putnam, Hilary. 1983. Vagueness and Alternative Logic. Erkenntnis 19:297-314.
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Segerberg, K. 1965. A Contribution to Nonsense-Logics. Theoria 31:199-217.
Simons, Peter. 1995. Multivalence and Vagueness: A Reply to Copeland. Proceedings of the Aristotelian Society 95:201.
Smith, Nicholas J.J. 2003. Vagueness by Numbers? No Worries. Mind 112:283-90.
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———. 1975. Fuzzy Logic and Approximate Reasoning. Synthese 30:407-28.