Timothy Williamson is the author of Identity and Discrimination (Blackwell 1990, updated edition 2013), Vagueness (Routledge 1994), Knowledge and its Limits (Oxford 2000), The Philosophy of Philosophy (Blackwell 2007), Modal Logic as Metaphysics (Oxford 2013), Tetralogue (Oxford 2015) and about two hundred articles. Williamson on Knowledge, edited by Patrick Greenough and Duncan Pritchard (Oxford 2009) contains fifteen critical essays on his work and his replies. A similar volume, Williamson on Modality (Routledge), edited by Juhani Yli-Vakkuri, is also in preparation.
'Supervaluationism and Good Reasoning' (revised 09.02.2018)
'Alternative Logics and Applied Mathematics' (added 18.12.2017)
'Evidence of evidence in epistemic logic' (revised 04.09.2017)
'Counterpossibles in Metaphysics' (revised 12.09.2016)
'Modal Science' (revised 12.09.2016)
(with Jason Stanley) 'Skill' (added 26.02.2016)
'Model-building in philosophy' (added 10.11.2015)
'Acting on Knowledge' (revised 12.10.15)
'Absolute Provability and Safe Knowledge of Axioms' (revised 17.07.2015)
'Justifications, Excuses, and Sceptical Scenarios' (added 11.06.2015)
'Review of Peter Unger’s Empty Ideas' (added 20.01.15)
'Plato Goes Pop' (added 08.12.14)
'Review of Robert Brandom, Reason in Philosophy: Animating Ideas' (added 08.12.14)
'How did we get here from there? The transformation of analytic philosophy' (corrected 03.03.15)
'Gibbard on Meaning and Normativity' (added 29.10.2014)
'A Note on Gettier Cases in Epistemic Logic' (added 24.10.2014)
'Dummett on the Relation between Logics and Metalogics' (added 24.10.2014)
'Edgington on Possible Knowledge of Unknown Truth' (added 24.10.2014)
'Philosophical Criticisms of Experimental Philosophy' (added 24.10.2014)
'Semantic Paradoxes and Abductive Methodology' (added 24.10.2014)
'Knowing by imagining' (added 10.07.2013)
'Gettier Cases in Epistemic Logic' (added 26.10.2012)
'Review of Joshua Alexander, Experimental Philosophy' (added 24.09.2012)
'How deep is the distinction between a priori and a posteriori knowledge?'(added 12.12.2011)
'Philosophical expertise and the burden of proof' (added 02.12.2010)
'Very improbable knowing' (added 02.12.2010)
'Necessitism, contingentism and plural quantification' (added 02.12.2010)
'Logic, metalogic and neutrality' (added 02.12.2010)
'Probability and Danger' (added 26.10.2009)
'Barcan Formulas in Second-Order Modal Logic' (added 03.07.2009)
'Conditionals and Actuality' (added 01.10.2008)
'Reply to John Hawthorne and Maria Lasonen-Aarnio' (added 01.10.2008)
'How Probable is an Infinite Sequence of Heads?' (added 29.06.2007)
'Absolute Identity and Absolute Generality' (added 28.06.2006)
'Why Epistemology Can't be Operationalized' (added 21.06.2006)
'Philosophical Knowledge and Knowledge of Counterfactuals' (added 19.06.2006)
'Stalnaker on the Interaction of Modality with Quantification and Identity' (added 02.02.2006)
'Conceptual Truth' (added 02.02.2006)
'Reference, Inference and the Semantics of Pejoratives' (added 30.01.2006)
'Indicative versus Subjunctive Conditionals, Congruential versus Non-Hyperintensional Contexts' (added 30.01.2006)
'Tennant’s Troubles' (added 30.01.2006)
(with Igor Douven) 'Generalizing the Lottery Paradox' (added 30.01.2006)
'Conditional Excluded Middle in Systems of Consequential Implication' (added 30.01.2006)
'On Being Justified in One’s Head' (added 27.04.2005)
'Probabilistic Anti-Luminosity' (deleted; see 'Why Epistemology Can't be Operationalized' above for new version)
'Armchair Philosophy, Metaphysical Modality and Counterfactual Thinking' (restored 24.05.2005)
'Knowledge, Context and the Agent's Point of View' (restored 24.05.2005)
'Counterparts and Actuality'
'Contextualism, subject-sensitive invariantism and knowledge of knowledge'
'Can Cognition be Factorised into Internal and External Components?'
'Must Do Better'
'Replies to Commentators (Philosophy and Phenomenological Research)'
'Philosophical 'Intuitions' and Scepticism about Judgement
'Understanding and Inference'
'Vagueness in Reality'
'Past the Linguistic Turn'
'Knowledge and Scepticism'
'Some computational constraints in epistemic logic'
'Sosa on abilities, concepts and externalism'
'Truth, falsity and borderline cases'
'Replies to Commentators (Philosophical Books)' (no longer available)