Achille C. Varzi

Selected Publications

See here for a complete bibliography (with abstracts) and here for additional downloadable material.

Books (Academic)

• Mereology (with A. J. Cotnoir), Oxford, Oxford University Press, 2021; paperback edition, in press.
  
• I colori del bene [The Colors of the Good], Naples, Orthotes, 2015.
  
• Le tribolazioni del filosofare. Comedia Metaphysica ne la quale si tratta de li errori & de le pene de l’Infero [The Tribulations of Philosophye. A Metaphysicall Comedye wherein ’tis told of the Errours & the Paynes of Helle] (with C. Calosi), Roma, Laterza, 2014; e-book: 2014.
  
• L’incertezza elettorale [Electoral Uncertainty] (with R. Casati), Roma, Aracne, 2014; e-book: 2014.
  
• Il mondo messo a fuoco [The World in Focus], Roma, Laterza, 2010; e-book: 2011.
  
• Ontologia [Ontology], Roma, Laterza, 2005; reprinted: 2008; e-book: 2011; online: Bari, SWIF, 2005; reissued, with revisions: 2019; e-book: 2019; reprinted: 2022.
  - French translation: Paris, Ithaque, 2010.
• Parole, oggetti, eventi e altri argomenti di metafisica [Words, Objects, Events, and Other Metaphysical Matters], Roma, Carocci, 2001; reprinted: 2002, 2006, 2009, 2012.
• An Essay in Universal Semantics, Dordrecht, Kluwer, 1999; paperback: 1999; e-book: 2010.
  
• Parts and Places. The Structures of Spatial Representation (with R. Casati), Cambridge MA, MIT Press, 1999; e-book: 2000; paperback: 2013.
• Theory and Problems of Logic (with J. E. Nolt and D. A. Rohatyn), New York, McGraw-Hill, 1998; e-book: 2000; reissued: 2011.
  - Abridged edition: New York, McGraw-Hill, 2005; reissued, with revisions: 2011.
  - Italian translation: Milano, McGraw-Hill Italia, 2003.
  - Second Italian edition, fully revised and enlarged: Milano, McGraw-Hill Italia, 2007 [with additional exercises and complete solutions].
  - Third Italian edition, further revised and enlarged: Milano, McGraw-Hill Italia, 2022 [with additional exercises and complete solutions].
• Holes and Other Superficialities (with R. Casati), Cambridge MA, MIT Press, 1994; paperback, with revisions: 1995; e-book: 1999.
  - Italian translation: Milano, Garzanti, 1996 [with a new Preface]; reissued: 2002.
  

Books (Other)

• Semplicemente diaboliche. 100 nuove storie filosofiche [Simply Diabolic. 100 New Philosophical Stories] (with R. Casati), Rome, Laterza, 2017; e-book: 2017; reissued: 2020; e-book: 2020.
  - Chinese translation: Guangzhou, Guangdong People’s Publishing House, 2019.
  
• Meravigliarsi come i bambini. Conversazione sulla filosofia [Wondering like Children. A Conversation on Philosophy] (with A. Massarenti and P. Morelli, ed. F. La Porta), Roma, Castelvecchi, 2017.
  
• I modi dell’amicizia [The Modes of Friendship] (with M. Ferraris), Naples, Orthotes, 2016.
  
• Il pianeta dove scomparivano le cose. Esercizi di immaginazione filosofica [The Planet Where Things Disappeared. Exercises in Philosophical Imagination] (with R. Casati), Torino, Einaudi, 2006.
  - English edition: Piermont (NH), Bunker Hill, 2016.
  
• Semplicità insormontabili. 39 storie filosofiche [Insurmountable Simplicities. Thirthy-nine Philosophical Conundrums] (with R. Casati), Roma, Laterza, 2004; reissued: 2006; e-book: 2011; reprinted: 2016; reissued: Milano, Il Sole 24 Ore Cultura, 2007.
  - French translation: Paris, Albin Michel, 2005; reissued: 2008.
  - Portuguese translation: São Paulo, Companhia das Letras, 2005.
  - Korean translation: Seoul, Yoldaerim, 2005; e-book: 2005.
  - English translation: New York, Columbia University Press, 2006; paperback: 2008.
  - Greek translation: Athens, Ekdoseis Tou Eikostou Protou, 2006.
  - Spanish translation: Madrid, Alianza, 2007; reissued: 2019; e-book: 2019.
  - Chinese translation: Taipei, Athena Press, 2007 [with a new Preface].
  - Polish translation: Kraków, Wydawnictwo Znak, 2008.
  - Finnish translation: Tampere, niin & näin, 2014.
  - New Chinese translation: Guangzhou, Guangdong People’s Publishing House, 2019.
  

Edited Books

• Truth and Values. Essays for Hans Herzberger (with J. P. Tappenden and W. E. Seager), Calgary, University of Calgary Press, 2011.
• Metafisica. Classici contemporanei [Metaphysics. Contemporary Classics], Roma, Laterza, 2008 [with a Foreword]; reissued, with revisions: 2018; reprinted:2020; e-book: 2018.
• Formal Ontology in Information Systems (with L. Vieu), Proceedings of the Third International Conference, Amsterdam, IOS Press, 2004.
  
• Speaking of Events (with J. Higginbotham and F. Pianesi), New York, Oxford University Press, 2000 [with an Introduction]; paperback: 2002; e-book: 2002.
  
• The Nature of Logic, Stanford CA, CSLI Publications, 1999 [with an Introduction]; paperback: 1999.
  
• Fifty Years of Events. An Annotated Bibliography 1947 to 1997 (with R. Casati), Bowling Green OH, Philosophy Documentation Center, 1997 [with an Introduction]; online: 2005.
  
• Events (with R. Casati), Aldershot, Dartmouth, 1996 [with an Introduction].

Edited Journal Issues

• Mereology and Beyond, Part 2 (with R. Gruszczyński), Logic and Logical Philosophy, Vol. 25/3, 2016.
  
• Mereology and Beyond, Part 1 (with R. Gruszczyński), Logic and Logical Philosophy, Vol. 24/4, 2015 [with an Introduction].
  
• Ontological Disagreement (with W. Mann), The Journal of Philosophy, Vol. 111/9–10, 2014 [with a Foreword].
• Matematica e filosofia [Mathematics and Philosophy] (with C. Fontanari), La matematica nella società e nella cultura, Vol. 7/3, 2014 [with a Foreword].
• Convenzioni [Conventions] (with E. Casetta), Rivista di Estetica, Vol. 49/2, 2009.
• Lesser Kinds (with R. Casati), The Monist, Vol. 90/3, 2007 [with a Foreword].
• Parts and Wholes (with W. Mann), The Journal of Philosophy, Vol. 103/12, 2006 [with a Foreword].
• Time Travel, The Monist, Vol. 88/3, 2005 [with a Foreword].
• Bozzetti, Papers in Memory of Paolo Bozzi (with C. Barbero, R. Casati, and M. Ferraris), Rivista di Estetica, Vol. 43/3, 2003.
• Oggetti fiat [Fiat Objects] (with L. Morena), Rivista di Estetica, Vol. 42/2, 2002.
• The Philosophy of Geography, Topoi, Vol. 20/2, 2001 [with an Introduction].
• Temporal Parts, The Monist, Vol. 83/3, 2000 [with a Foreword].

Journal Articles

• ‘Complementary Proof Nets for Classical Logic’ (with G. Pulcini), Logica Universalis, 17 (2023), 411–432.
  
• ‘Intuitionistic Mereology II: Overlap and Disjointness’ (with P. Maffezioli), Journal of Philosophical Logic, 52 (2023), 1197–1233.
  
• ‘On Perceiving Abs nces’, Gestalt Theory, 44 (2022), 213–242.
  
• ‘Intuitionistic Mereology’ (with P. Maffezioli), Synthese, 198:S18 (2021), 4277–4302.
  
• ‘What is a City?’, Topoi, 40 (2021), 399–408.
  
• ‘A Slow Impossible Mirror Picture’ (with R. Casati), Perception, 49 (2020), 1375–1378.
  
• ‘Counterpart Theories for Everyone’, Synthese, 197 (2020), 4691–4715.
  
• ‘Indeterminate Identities, Supervaluationism, and Quantifiers’, Analytic Philosophy, 61 (2020), 218–235.
  
• ‘On Three Axiom Systems for Classical Mereology’, Logic and Logical Philosophy, 28 (2019), 203–207.
  
• ‘Natural Axioms for Classical Mereology’ (with A. J. Cotnoir), The Review of Symbolic Logic, 12 (2019), 201–208.
  
• ‘Paraconsistency in Classical Logic’ (with G. Pulcini), Synthese, 195 (2018), 5485–5496.
  
• ‘All the Shadows / Whisper of the Sun: Carnevali’s Whitmanesque Simplicity’, Philosophy and Literature, 41 (2017), 360–374.
  
• ‘On Being Ultimately Composed of Atoms’, Philosophical Studies, 174 (2017), 2891–2900.
  
• ‘Atoms, Gunk, and the Limits of “Composition”’ (with H.-C. Tsai), Erkenntnis, 81 (2016), 231–235.
  
• ‘Back to Black’ (with C. Calosi), Ratio, 29 (2016), 1–10.
  
• ‘Mereology Then and Now’ (with R. Gruszczyński), Logic and Logical Philosophy, 24 (2015), 409–427.
  
• ‘Musil’s Imaginary Bridge’, The Monist, 97 (2014), 30–46.
  
• ‘Cover to Cover’, Current Musicology, 95 (2013), 177–191.
  
• ‘The Naming of Facts’, Analysis, 72 (2012), 322–323.
  
• ‘On Doing Ontology without Metaphysics’, Philosophical Perspectives, 25 (2011), 407–423.
  
• ‘Universalism Entails Extensionalism’, Analysis, 69 (2009), 599–604.
  
• ‘On the Interplay between Logic and Metaphysics’, Linguistic and Philosophical Investigations, 8 (2009), 13–36.
  
• ‘The Extensionality of Parthood and Composition’, The Philosophical Quarterly, 58 (2008), 108–133.
  
• ‘Supervaluationism and Its Logics’, Mind, 116 (2007), 633–676.
  
• ‘Promiscuous Endurantism and Diachronic Vagueness’, American Philosophical Quarterly, 44 (2007), 181–189.
  
• ‘Crimes and Punishments’ (with G. Torrengo), Philosophia, 34 (2006), 395–404.
  
• ‘Strict Identity with No Overlap’, Studia Logica, 82 (2006), 371–378.
  
• ‘A Note on the Transitivity of Parthood’, Applied Ontology, 1 (2006), 141–146.
  
• ‘What Is to Be Done?’, Topoi, 25 (2006), 129–131.
  
• ‘Event Location and Vagueness’ (with A. Borghini), Philosophical Studies, 128 (2006), 313–336.
• ‘The Universe Among Other Things’, Ratio, 19 (2006), 107–120.
  
• ‘Beth Too, but Only If’, Analysis, 65 (2005), 224–229.
  
• ‘The Vagueness of ‘Vague’: Rejoinder to Hull’, Mind, 114 (2005), 695–702.
  
• ‘Change, Temporal Parts, and the Argument from Vagueness’, Dialectica, 59 (2005), 485–498.
  
• ‘Self-Reference Self-Explained’, PhiNews, 6 (2004), 36–39.
• ‘Counting the Holes’ (with R. Casati), Australasian Journal of Philosophy, 82 (2004), 23–27.
• ‘Higher-Order Vagueness and the Vagueness of ‘Vague’’, Mind, 112 (2003), 295–298.
• ‘Naming the Stages’, Dialectica, 57 (2003), 387–412.
  
• ‘Perdurantism, Universalism, and Quantifiers’, Australasian Journal of Philosophy, 81 (2003), 208–215.
• ‘Mereotopological Connection’ (with A. G. Cohn), Journal of Philosophical Logic, 32 (2003), 357–390.
• ‘The Geometry of Negation’ (with M. Warglien), Journal of Applied Non-Classical Logics, 13 (2003), 9–19.
• ‘On Logical Relativity’, Philosophical Issues, 12 (2002), 197–219 (volume on "Realism and Relativism").
• ‘Surrounding Space’ (with B. Smith), Theory in Biosciences, 120 (2002), 139–162.
• ‘Events, Truth, and Indeterminacy’, The Dialogue, 2 (2002), 241–264.
  
• ‘The Best Question’, Journal of Philosophical Logic, 30 (2001), 251–258.
  
• ‘Parts, Counterparts, and Modal Occurrents’, Travaux de Logique, 14 (2001), 151–171.
• ‘That Useless Time Machine’ (with R. Casati), Philosophy, 76 (2001), 581–583.
• ‘Vagueness, Logic, and Ontology’, The Dialogue, 1 (2001), 135–154.
• ‘Introduction: Philosophical Issues in Geography’, Topoi, 20 (2001), 119–130.
• ‘Ontological Commitment and Reconstructivism’ (with M. Carrara), Erkenntnis, 55 (2001), 33–50.
• ‘Vagueness in Geography’, Philosophy & Geography, 4 (2001), 49–65.
• ‘Some Pictures Are Worth 2^ℵ0 Sentences’ (with P. Kitcher), Philosophy, 75 (2000), 377–381.
• ‘Mereological Commitments’, Dialectica, 54 (2000), 283–305.
• ‘Unsharpenable Vagueness’ (with J. Collins), Philosophical Topics, 28 (2000), 1–10 (volume on "Vagueness").
• ‘Topological Essentialism’ (with R. Casati), Philosophical Studies, 100 (2000), 217–236.
• ‘Fiat and Bona Fide Boundaries’ (with B. Smith), Philosophy and Phenomenological Research, 60 (2000), 401–420.
• ‘The Niche’ (with B. Smith), Noûs, 33 (1999), 214–238.
• ‘A Note on Analysis and Circular Definitions’ (with F. Orilia), Grazer philosophische Studien, 54 (1998), 107–115.
• ‘Inconsistency Without Contradiction’, Notre Dame Journal of Formal Logic, 38 (1997), 621–638.
• ‘Boundaries, Continuity, and Contact’, Noûs, 31 (1997), 26–58. (Also in The Philosopher’s Annual, 20 (1999), 225–258.)
• ‘Events, Topology, and Temporal Relations’ (with F. Pianesi), The Monist, 78 (1996), 89–116.
• ‘Refining Temporal Reference in Event Structures’ (with F. Pianesi), Notre Dame Journal of Formal Logic, 37 (1996), 71–83.
• ‘The Structure of Spatial Localization’ (with R. Casati), Philosophical Studies, 82 (1996), 205–239.
• ‘Parts, Wholes, and Part-Whole Relations: The Prospects of Mereotopology’, Data and Knowledge Engineering, 20 (1996), 259–286.
• ‘Reasoning about Space: The Hole Story’, Logic and Logical Philosophy, 4 (1996), 3–39.
• ‘Vagueness, Indiscernibility, and Pragmatics: Comments on Burns’, The Southern Journal of Philosophy, 33/Supplement (1995), 49–62.
• ‘Variable-Binders as Functors’, Poznan Studies in the Philosophy of the Sciences and the Humanities, 40 (1995), 303–319.
• ‘Complementary Logics for Classical Propositional Languages’, Kriterion, 4 (1992), 20–22.
• ‘Complementary Sentential Logics’, Bulletin of the Section of Logic, 19 (1990), 112–116.

Other Papers

• ‘Nothing, Everything, Something!’, in F. Mariani Zini (ed.), The Meaning of Something. Rethinking the Logic and the Unity of Ontology, Cham, Springer, 2022, pp. 177–190.
• ‘Classical Logic through Refutation and Rejection’ (with G. Pulcini), in M. Fitting (ed.), Selected Topics from Contemporary Logics, London, College Publications, 2021, pp. 667–692.
• ‘Ballot Ontology’ (with R. Casati), in S. Bernstein and T. Goldschmidt (eds.), Non-Being: New Essay on the Metaphysics of Non-Existence, Oxford, Oxford University Press, 2021, pp. 139–164.
• ‘Points as Higher-order Constructs: Whitehead’s Method of Extensive Abstraction’, in S. Shapiro and G. Hellman (eds.), The History of Continua: Philosophical and Mathematical Perspectives, Oxford, Oxford University Press, 2021, pp. 347–378.
• ‘The Magic of Holes’, in G. Marsico and L. Tateo (eds.), Ordinary Things and Their Extraordinary Meanings, Charlotte (NC), Information Age Publishing, 2019, pp. 21–33.
• ‘Carnapian Engineering’, in S. Borgo, R. Ferrario, C. Masolo, and L. Vieu (eds.), Ontology Makes Sense. Essays in Honor of Nicola Guarino, Amsterdam, IOS Press, 2019, pp. 3–23.
• ‘On Drawing Lines across the Board’, in L. Zaibert (ed.), The Theory and Practice of Ontology, London, Palgrave Macmillian, 2016, pp. 45–78.
• ‘Possibility’ (with M. Ferraris), in M. Ferraris, Positive Realism, Alresford, Zero Books, 2015, pp. 49–62.
  
• ‘Psychological and Social Borders: Regulating Relationships’ (with P. Marsico), in J. Valsiner et al. (eds.), Psychology as the Science of Human Being, Berlin, Springer-Verlag, 2015, pp. 327–336.
  
• ‘Counting and Countenancing’, in A. J. Cotnoir and D. L. M. Baxter (eds.), Composition as Identity, Oxford, Oxford University Press, 2014, pp. 47–69.
  
• ‘Adding Convexity to Mereotopology’ (with M. Haemmerli), in P. Garbacz and O. Kutz (eds.), Formal Ontology in Information Systems. Proceedings of the Eighth International Conference, Amsterdam, IOS Press, 2014, pp. 65–78.
• ‘Realism in the Desert’, in F. Bacchini, S. Caputo, and M. Dell’Utri (eds.), Metaphysics and Ontology without Myths, Newcastle, Cambridge Scholars, 2014, pp. 16–31.
  
• ‘Because’, in A. Reboul (ed.), Mind, Values, and Metaphysics. Philosophical Essays in Honor of Kevin Mulligan, Volume 1, Berlin, Springer, 2014, pp. 253–256.
  
• ‘Logic, Ontological Neutrality, and the Law of Non-Contradiction’, in E. Ficara (ed.), Contradictions. Logic, History, Actuality, Berlin, De Gruyter, 2014, pp. 53–80.
• ‘Formal Theories of Parthood’, in C. Calosi and P. Graziani (eds.), Mereology and the Sciences: Parts and Wholes in the Contemporary Scientific Context, Berlin, Springer, 2014, pp. 359–370.
• ‘Undetached Parts and Disconnected Wholes’, in C. Svennerlind, J. Almäng, and R. Ingthorsson (eds.), Johanssonian Investigations. Essays in Honour of Ingvar Johansson on His Seventieth Birthday, Frankfurt, Ontos Verlag, 2013, pp. 696–708.
• ‘Fictionalism in Ontology’, in C. Barbero, M. Ferraris, and A. Voltolini (eds.), From Fictionalism to Realism, Newcastle, Cambridge Scholars, 2013, pp. 133–151.
• ‘The Plan of a Square’, in J. Tappenden, A. C. Varzi, and W. Seager (eds.), Truth and Values: Essays for Hans Herzberger, Calgary, University of Calgary Press, 2011, pp. 137–144.
• ‘Boundaries, Conventions, and Realism’, in J. K. Campbell, M. O’Rourke, and M. H. Slater (eds.), Carving Nature at Its Joints: Natural Kinds in Metaphysics and Science, Cambridge MA, MIT Press, 2011, pp. 129–153.
  
• ‘On the Boundary between Material and Formal Ontology’, in B. Smith, R. Mizoguchi, and S. Nakagawa (eds.), Interdisciplinary Ontology, Vol. 3: Proceedings of the Third Interdisciplinary Ontology Meeting, Tokyo, Keio University, 2010, pp. 3–8.
  
• ‘Event Concepts’ (with R. Casati), in T. F. Shipley and J. Zacks (eds.), Understanding Events: From Perception to Action, New York, Oxford University Press, 2008, pp. 31–54.
  
• ‘Patterns, Rules, and Inferences’, in J. E. Adler and L. J. Rips (eds.), Reasoning: Studies of Human Inference and Its Foundations, Cambridge, Cambridge University Press, 2008, pp. 282–290.
  
• ‘Spatial Reasoning and Ontology: Parts, Wholes, and Locations’, in M. Aiello, I. E. Pratt-Hartmann, and J. van Benthem (eds.), Handbook of Spatial Logics, Berlin, Springer, 2007, pp. 945–1038.
  
• ‘Omissions and Causal Explanations’, in F. Castellani and J. Quitterer (eds.), Agency and Causation in the Human Sciences, Paderborn, Mentis Verlag, 2007, pp. 155–167.
• ‘Playing for the Same Team Again’ (with M. Slater), in J. L. Walls and G. Bassham (eds.), Basketball and Philosophy. Thinking Outside the Paint, Lexington KY, University Press of Kentucky, 2007, pp. 220–234.
  
• ‘The Talk I Was Supposed to Give’, in A. Bottani and R. Davies (eds.), Modes of Existence. Papers in Ontology and Philosophical Logic, Frankfurt, Ontos Verlag, 2006, pp. 131–152.
  
• ‘Conjunction and Contradiction’, in G. Priest, J. C. Beall, and B. Armour-Garb (eds.), The Law of Non-Contradiction: New Philosophical Essays, Oxford, Oxford University Press, 2004, pp. 93–110.
• ‘Cut-offs and their Neighbors’, in J. C. Beall (ed.), Liars and Heaps: New Essays on Paradox, Oxford, Oxford University Press, 2003, pp. 24–38.
• ‘Words and Objects’, in A. Bottani, M. Carrara, and D. Giaretta (eds.), Individuals, Essence, and Identity. Themes of Analytic Metaphysics, Dordrecht, Kluwer, 2002, pp. 49–75.
  
• ‘Environmental Metaphysics’ (with B. Smith), in U. Meixner (ed.), Metaphysics in the Post-Metaphysical Age. Proceedings of the 22th International Wittgenstein Symposium, Vienna, Hölder-Pichler-Tempsky, 2001, pp. 231–239.
  
• ‘Supervaluationism and Paraconsistency’, in D. Batens, C. Mortensen, G. Priest, and J. P. Van Bendegem (eds.), Frontiers of Paraconsistent Logic, Baldock, Research Studies Press, 2000, pp. 279–297.
  
• ‘True and False: An Exchange’ (with R. Casati), in A. Gupta and A. Chapuis (eds.), Circularity, Definition, and Truth, New Delhi, Indian Council of Philosophical Research, 2000, pp. 365–370.
  
• ‘Events and Event Talk: An Introduction’ (with F. Pianesi), in J. Higginbotham, F. Pianesi, and A. C. Varzi (eds.), Speaking of Events, New York, Oxford University Press, 2000, pp. 3–47.
  
• ‘The Formal Structure of Ecological Contexts’ (with B. Smith), in P. Bouquet, P. Brezillon, and L. Serafini (eds.), Modeling and Using Context. Proceedings of the Second International and Interdisciplinary Conference, Berlin, Springer, 1999, pp. 339–350.
• ‘The Context-Dependence of Temporal Reference in Event Semantics’ (with F. Pianesi), in P. Bouquet, P. Brezillon, and L. Serafini (eds.), Modeling and Using Context. Proceedings of the Second International and Interdisciplinary Conference, Berlin, Springer, 1999, pp. 507–510.
• ‘Basic Problems for Mereotopology’, in N. Guarino (ed.), Formal Ontology in Information Systems, Amsterdam, IOS Press, 1998, pp. 29–38.
• ‘Spatial Entities’ (with R. Casati), in O. Stock (ed.), Spatial and Temporal Reasoning, Dordrecht, Kluwer, 1997, pp. 73–96.
• ‘Basic Issues in Spatial Representation’ (with R. Casati), in M. De Glas and Z. Pawlak (eds.), Proceedings of the 2nd World Conference on the Fundamentals of Artificial Intelligence, Paris, Angkor, 1995, pp. 63–72.
• ‘On the Meaning of Complementary Systems’ (with P. Bonatti), in E. Castagli and M. Konig (eds.), 10th International Congress of Logic, Methodology and Philosophy of Science. Volume of Abstracts, Florence, International Union of History and Philosophy of Science, 1995, p. 122.
• ‘On the Boundary Between Mereology and Topology’ in R. Casati, B. Smith, and G. White (eds.), Philosophy and the Cognitive Sciences. Proceedings of the 16th International Wittgenstein Symposium, Vienna, Hölder-Pichler-Tempsky, 1994, pp. 423–442.
• ‘Do We Need Functional Abstraction?’ in Johannes Czermak (ed.), Philosophy of Mathematics. Proceedings of the 15th International Wittgenstein Symposium, Part 1, Vienna, Hölder-Pichler-Tempsky, 1993, pp. 407–415.

Encyclopedia Entries

• ‘Boundary’, in E. N. Zalta (ed.), Stanford Encyclopedia of Philosophy, Stanford, CSLI (online), 2004; revised 2007; revised 2008; revised 2013; revised 2023.
  
• ‘Mereology’, in E. N. Zalta (ed.), Stanford Encyclopedia of Philosophy, Stanford, CSLI (online), 2003; revised 2009; revised 2014; revised 2015; revised 2016.
  
• ‘Vagueness’, in L. Nadel (ed. in chief), Encyclopedia of Cognitive Science, London, Macmillan and Nature, 2003, pp. 459–464.
  
• ‘Events’ (with R. Casati), in E. N. Zalta (ed.), Stanford Encyclopedia of Philosophy, Stanford, CSLI (online), 2002; revised 2006; revised 2014; revised 2020; revised 2023.
  
• ‘Holes’ (with R. Casati), in E. N. Zalta (ed.), Stanford Encyclopedia of Philosophy, Stanford, CSLI (online), 1996; revised 2003; revised 2009; revised 2014; revised 2019; revised 2023.
  

Reviews and Critical Notices

• Critical Notice of John Heil, From an Ontological Point of View [Oxford, Oxford University Press, 2003], Philosophical Books, 47 (2006), 148–154.
• Review of Herbert Hochberg and Kevin Mulligan (eds.), Relations and Predicates [Frankfurt, Ontos Verlag, 2004], Notre Dame Philosophical Reviews, 10.06 (2005).
• (with E. Casetta) Review of Benjamin Morison’s On Location: Aristotle’s Concept of Place [Oxford, Oxford University Press, 2002], Dialectica, 59 (2005), 75–81.
• Review of Evandro Agazzi and Nicla Vassallo’s Introduzione al Naturalismo Filosofico Contemporaneo [Milano, Franco Angeli, 1998], Epistemologia, 25 (2002), 167–171.
• Critical Notice of Amie L. Thomasson’s Fiction and Metaphysics [Cambridge, Cambridge University Press, 1999], Philosophy and Phenomenological Research, 63 (2001), 723–727.
• Review of André Gallois’s Occasions of Identity. A Study in the Metaphysics of Persistence, Change, and Sameness [Oxford, Clarendon Press, 1998], The Australasian Journal of Philosophy, 79 (2001), 291–295.
• Review of Brian McGuinness (ed.), Language, Logic and Formalization of Knowledge [Gaeta, Bibliotheca, 1998], Studia Logica, 66 (2000), 437–440.
• Critical Notice of Roberto Cordeschi’s La scoperta dell’artificiale: Psicologia, filosofia e macchine intorno alla cibernetica [Milano, Masson-Dunod, 1998] and Domenico Parisi’s Mente: I nuovi modelli della Vita Artificiale [Bologna, Il Mulino, 1999], La rivista dei libri, 9 (1999), 29–31.
• Review of Susan Haack’s Deviant Logic, Fuzzy Logic: Beyond the Formalism [Chicago, University of Chicago Press, 1996], The Philosophical Review, 107 (1998), 468–471.
• Critical Notice of Umberto Eco’s Kant e l’ornitorinco and Patrizia Violi’s Significato ed Esperienza [both Milano, Bompiani, 1997], La Rivista dei Libri, 8:2 (1998), 10–13.
• Review of Yiannis N. Moschovakis’s Notes on Set Theory [New York, Springer, 1994], History and Philosophy of Logic, 17 (1996), 172–175.
• (with F. Orilia) Review of Anil Gupta and Nuel Belnap’s The Revision Theory of Truth [Cambridge MA, MIT Press, 1993], Minds and Machines, 6 (1996), 124–129.
  

Articles in Italian

• ‘I punti come costrutti di ordine superiore: il metodo dell’astrazione estensiva di Whitehead’ [Points as Higher-order Constructs: Whitehead’s Method of Extensive Abstraction], Atti dell’Accademia roveretana degli Agiati, Classe di Scienze matematiche, fisiche e naturali, X, 3:B (2021), 9–46.
• ‘Il buco nella ciambella’ [The Hole in the Donut], Atti dell’Accademia roveretana degli Agiati, Classe di Scienze matematiche, fisiche e naturali, X, 2:B (2020), 9–24.
• ‘La metafisica nella filosofia analitica contemporanea’ [Metaphysics in Contemporary Analytic Philosophy], in E. Berti (ed.), Storia della metafisica, Roma, Carocci, 2019, pp. 355–384.
• ‘Il libraio, lo scrittore, la Biblioteca di Babele’ [The Bookseller, the Writer, the Library of Babel], Atti dell’Accademia roveretana degli Agiati, Classe di Scienze matematiche, fisiche e naturali, IX, 7:B (2017), 25–33.
• ‘Ai limiti del possibile’ [At the Limits of Possibility], in L. Taddio (ed.), In dialogo con Maurizio Ferraris, Milan, Mimesis, 2016, pp. 91–107.
• ‘Ipotassi dell’alcunché’ [Hypotaxis of the Something], in P. Piccari (ed.), Forme di realtà e modi del pensiero. Saggi in onore di Mariano Bianca, Milan, Mimesis, 2015, pp. 173–176.
• ‘Una buona domanda?’ [A Good Question?], Atti dell’Accademia roveretana degli Agiati, Classe di Scienze matematiche, fisiche e naturali, IX, 4:B (2014), 5–13.
• ‘De li accidiosi che son avversi al possibile’ [Of the Sullen Hight Adverse to the Possible] (with C. Calosi), Rivista Italiana di Filosofia Analitica Junior, 5:2 (2014), 101–127.
• ‘Del fuoco che non brucia: risposte, riflessioni, ringraziamenti’ [The Fire that Doesn’t Burn: Responses, Reflections, and Thanks], in Elena Casetta and Valeria Giardino (eds.), Mettere a fuoco il mondo. Conversazioni sulla filosofia di Achille Varzi, special issue of Isonomia – Epistemologica, 4 (2014), 111–153.
• ‘Livelli di realtà e descrizioni del mondo’ [Levels of Reality and world Descriptions], Giornale di metafisica, 35:2–3 (2013), 373–404.
• ‘Hylas e Philonous dieci anni dopo’ [Hylas and Philonous Ten Years Later] (with M. Ferraris), SpazioFilosofico, 8:2 (2013), 219–227.
• ‘Configurazioni, regole e inferenze’ [Patterns, Rules, and Inferences], Atti dell’Accademia roveretana degli Agiati, Classe di Scienze matematiche, fisiche e naturali, IX, 2:B (2012), 5–24.
• ‘Kripke: modalità e verità’ [Kripke: Modality and Truth], in A. Borghini (ed.), Il genio compreso. La filosofia di Saul Kripke, Roma, Carocci, 2010, pp. 23–78, 186–191.
• ‘È successo tra qualche anno’ [It Happened in a Few Years], in A. Massarenti (ed.), Stramaledettamente logico. Esercizi di filosofia su pellicola, Roma, Laterza, 2009, pp. 3–32.
• ‘Metafisica’ [Metaphysics] and ‘Logica’ [Logic], to appear in F. D’Agostini (ed.), Introduzione alla filosofia, Bologna, Zanichelli.
• ‘Il catalogo universale’ [The Universal Inventory], in R. Finzi and P. Zellini (eds.), Forme della ragione, Bologna, CLUEB, 2008, pp. 91–113.
• ‘Vaghezza e ontologia’ [Vagueness and Ontology], in M. Ferraris (ed.), Storia dell’ontologia, Milano, Bompiani, 2008, pp. 672–698.
• ‘Nomi in crisi di identità’ [Names in Identity Crisis] (with E. Casetta), Rivista di estetica, 48:2 (2008), 143–156.
• ‘Mondo-versioni e versioni del mondo’ [World-Versions and Versions of the World], Preface to the second Italian edition of N. Goodman, Vedere e costruire il mondo, Roma, Laterza, 2008, pp. vii–xxiv.
• ‘Che cos’è un derivato? Appunti per una ricerca tutta da fare’ [What Is a Derivative? Notes for a Long-Term Project], Appendix to A. Berrini, Le crisi finanziarie, Saronno, Monti, 2008, pp. 143–171.
• ‘Voti e altri buchi elettorali’ [Ballots and Other Polling Holes] (with R. Casati), Rivista di estetica, 48:1 (2008), 169–194.
• ‘Sul confine tra ontologia e metafisica’ [On the Boundary between Ontology and Metaphysics], Giornale di metafisica, 29 (2007): 285–303.
• ‘Congiunzione e contraddizione’ [Conjunction and Contradiction], in F. Altea and F. Berto (eds.), Scenari dell’impossibile. La contraddizione nel pensiero contemporaneo, Padova, Il Poligrafo, 2007, pp. 63–86.
• ‘Che cosa ci facciamo qui?’ [What Are We Doing Here?], in S. Montalto (ed.), Umberto Eco: l’uomo che sapeva troppo, Pisa, ETS, 2007, pp. 253–256.
• ‘Il denaro è un’opera d’arte (o quasi)’ [Money Is (almost) a Work of Art], Quaderni dell’Associazione per lo Sviluppo degli Studi di Banca e Borsa, 24 (2007), 17–39.
• ‘Confini. Dove finisce una cosa e inizia un’altra ’ [Boundaries], in A. Bottani and R. Davies (eds.), Ontologie regionali, Milano, Mimesis, 2007, pp. 209–222.
• ‘La natura e l’identità degli oggetti materiali’ [The Nature and Identity of Material Objects], in Annalisa Coliva (ed.), Filosofia analitica. Temi e problemi, Roma, Carocci, 2007, pp. 17–56.
• ‘Mancanze, omissioni e descrizioni negative’ [Failures, Omissions, and Negative descriptions], Rivista di estetica, 46:2 (2006), 109–127.
• ‘Le linee di un racconto’ [The Lines of a Tale], prefatory essay, in M. Pericoli, New York e altri disegni, Macerata, Quodlibet, 2005, pp. 9–12.
• ‘Teoria e pratica dei confini’ [Boundaries: Theory and Practice], Sistemi Intelligenti, 17 (2005), 399–418.
• ‘Esercizi di attenzione’ [Exercises in Attention] (with R. Casati), in M. Belpoliti and G. Ricuperati (eds.), Saul Steinberg (Riga, n. 24), Milano, Marcos y Marcos, 2005, pp. 398–403.
• ‘Sulla relatività logica’ [On Logical Relativity], in M. Carrara and P. Giaretta (eds.), Filosofia della logica, Cosenza, Rubbettino, 2004, pp. 135–173.
• ‘Identità indeterminate e indeterminatezza linguistica’ [Indeterminate Identities and Linguistic Indeterminacy], Rivista di estetica, 44:2 (2004), 285–302.
• ‘RedPill^®’ (with E. Casetta), in M. Cappuccio (ed.), Dentro la matrice: Filosofia, scienza e spiritualità in Matrix, Milano, Alboversorio, 2004, pp. 29–35.
• ‘Ontologia: dove comincia e dove finisce’ [Ontology: Where It Starts and Where It Ends], Sistemi intelligenti, 15 (2003), 493–506.
• ‘Sfondo e figura’ [Background and Figure] (with R. Casati), Rivista di estetica, 43:3 (2003), 38–40.
• ‘Che cosa c’è e che cos’è. Un dialogo’ [What There Is and What It Is. A Dialogue] (with M. Ferraris), Nous. Postille su pensieri, Lecce, Milella, 2003, pp. 81–101.
• ‘Entia successiva’, Rivista di estetica, 43:1 (2003), 139–158.
• ‘Riferimento, predicazione, e cambiamento’ [Reference, Predication, and Change], in C. Bianchi and A. Bottani (eds.), Significato e ontologia, Milano, Franco Angeli, 2003, pp. 221–249.
• ‘Ineffabile sfera’ [Ineffable Sphere], Nazione Indiana, July 2003.
• ‘Parti connesse e interi sconnessi’ [Connected Parts and Disconnected Wholes], Rivista di estetica, 42:2 (2002), 87–90.
• ‘Ontologia e metafisica’ [Ontology and Metaphysics], in F. D’Agostini and N. Vassallo (eds.), Storia della Filosofia Analitica, Torino, Einaudi, 2002, pp. 81–117.
• ‘Un altro mondo?’ [A Different World?] (with R. Casati), Rivista di estetica, 42:1 (2002), 131–159.
• ‘I confini del Cervino’ [The Boundaries of Cervino], in V. Fano, G. Tarozzi, and M. Stanzione (eds.), Prospettive della logica e della filosofia della scienza, Cosenza, Rubbettino, 2001, pp. 431–445.
• ‘L’autoriferimento si spiega da sé’ [Self-Reference Self-Explained], Rivista di estetica, 41:3 (2001), 5–7.
• ‘All the Things You Are’ (with R. Casati), in G. Usberti (ed.), Modi dell’oggettività, Milano, Bompiani, 2000, pp. 77–85.
• ‘Le strutture dell’ordinario’ [The Structures of the Ordinary], in L. Lombardi Vallauri (ed.), Logos dell’essere, logos della norma, Bari, Adriatica, 1999, pp. 489–530.
• ‘I trabocchetti della rappresentazione spaziale’ [The Pitfalls of Spatial Representation] (with R. Casati), Sistemi intelligenti, 11 (1999), 7–28.
• ‘Perché i buchi sono importanti’ [Why Holes Matter] (with R. Casati), Sapere, 63:2 (1997), 38–43.
  

Articles in Other Languages

• ‘Niveles de realidad y descripciones del mundo’, Disputatio, 4 (2015), pp. 29–49.
• ‘Qu’est-ce qu’un trou dans l’emmental?’, in A. Meylan and O. Massin (eds.), Aristote chez les Helvètes. Douze essais de métaphysique helvétique, Paris, Ithaque, 2014, pp. 41–46.
• ‘Sur la frontière entre ontologie matérielle et ontologie formelle’, Revue Étudiante de Philosophie Analytique, 3 (2011), 53–65.
• ‘Buracos’ (with R. Casati), Fundamento: Revista de Pesquisa em Filosofia, 1 (2010), 234–244.
• ‘Höherstufige Vagheit und die Vagheit von ,vage’’, in S. Walter (ed.), Vagheit, Paderborn, Mentis Verlag, 2005, pp. 147–150.
• ‘Lyukak’ (with R. Casati), Különbség, 8:1 (2004), 149–154.
• ‘地理的表象のための存在論的ツール’ (with R. Casati and B. Smith), InterCommunication, 45 (2003), 80–91.
• ‘Philosophie italienne: quoi de neuf?’, Magazine Litéraire, 407 (2002), 50–52.
• ‘環境の形而上学’ (with B. Smith), 理想, 669 (2002), 170–180.
• ‘Онтология границ’ (with B. Smith), Общество философских исследований и разработок (online publication), 2001.
• ‘Бублик вокруг Дырки’, Логос, 4 (2001), 192–197.
• ‘Nisza’ (with B. Smith), Filozofia Nauki, 8 (2000), 5–30.

Varia

• Complete Bibliography (with Abstracts)
• Newspaper Articles (in Italian)
  
• Lectures and Conference Presentations

Last Revised: November 15, 2023