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Ontological Category Systems: Notes on the Foundations of their Epistemic Architectures

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Published/Copyright: October 27, 2025

Abstract

This paper argues that ontological category systems (OCS) should be assessed against explicit target criteria. To compare the highly diverse OCS, we focus on the epistemic issue of the category problem, not on the ontological one, and examine the system architecture at the bicategorical level. From existing systems we extract mutual exclusiveness, exhaustiveness, and generalness, and add a neglected criterion: recursiveness – the requirement that, at the most general level, the categories also categorize themselves, thereby conceptually closing the system. On this basis we motivate the most defensible number of categories and re-evaluate the traditional divide between universals and particulars in a slightly revised form. The resulting framework clarifies how OCS can remain maximally general while retaining classificatory power and shows why systems that exceed two top-level categories trade generalness for individuation without clear gain.


Corresponding author: Norman Meisinger, Institute of Philosophy, Faculty of Humanities, University of Bern, Länggassstrasse 49a, 3012, Bern, Switzerland, E-mail:

References

Aristotle. 1963. Categories, Translated with Notes by J. L. Ackrill. Oxford: Clarendon Press.10.1093/oseo/instance.00258580Search in Google Scholar

Aristotle. 2014. Metaphysik [Metaphysics]. Translated by Hermann Bonitz. Based on the edition by Héctor Carvallo and Ernesto Grassi, 7th ed., edited by Ursula Wolf. Reinbek bei Hamburg: Rowohlt.Search in Google Scholar

Baumgartner, H.-M., G. Gerhardt, K. Konhardt, and G. Schönrich. 1976. “Kategorie, Kategorienlehre.” In Historisches Wörterbuch der Philosophie, edited by J. Ritter, and K. Gründer, 713–76. Basel: Schwabe.Search in Google Scholar

Beisbart, C. 2024. “Do Computer Simulations Include Digital Artifacts?” Metaphysics 7 (1): 37–50. https://doi.org/10.5334/met.173.Search in Google Scholar

Bradley, F. H. 1897. Appearance and Reality, 2nd ed. London: S. Sonnenschein.Search in Google Scholar

Bueno, O., J. Busch, and S. A. Shalkowski. 2015. “The No-Category Ontology.” The Monist 98 (3): 233–45. https://doi.org/10.1093/monist/onv014.Search in Google Scholar

Carnap, R. 2003 [1928]. The Logical Structure of the World: And Pseudoproblems in Philosophy. Chicago: Open Court.Search in Google Scholar

Cumpa, J. 2019. “Structure and Completeness: A Defense of Factualism in Categorial Ontology.” Acta Analytica 34 (2): 145–53, https://doi.org/10.1007/s12136-019-00380-6.Search in Google Scholar

Cumpa, J. 2020. “Categories.” Philosophy Compass 15 (1): Article e12646. https://doi.org/10.1111/phc3.12646.Search in Google Scholar

Ehring, D. 2004. “Distinguishing Universals from Particulars.” Analysis 64 (4): 326–32. https://doi.org/10.1093/analys/64.4.326.Search in Google Scholar

Goodman, N. 1951. The Structure of Appearance. Cambridge: Harvard University Press.Search in Google Scholar

Griffith, A. M. 2015. “Do Ontological Categories Exist?” Metaphysica 16 (1): 25–35. https://doi.org/10.1515/mp-2015-0001.Search in Google Scholar

Hegel, G. W. F. 1932 [1812]. Wissenschaft der Logik: Erster Teil. ed. v. G. Lasson (2nd ed.). Hamburg: Felix Meiner.Search in Google Scholar

Kant, I. 2020 [1781]. “Kritik der reinen Vernunft I.” In Die Kritiken, Vol. 1, 10th ed., edited by Weischedel. Frankfurt am Main: Suhrkamp.Search in Google Scholar

Lowe, E. J. 2006. The Four-Category Ontology: A Metaphysical Foundation for Natural Science. Oxford: Oxford University Press.Search in Google Scholar

MacBride, F. 1998. “Where are Particulars and Universals?” Dialectica 52 (3): 203–27. https://doi.org/10.1111/j.1746-8361.1998.tb00050.x.Search in Google Scholar

MacBride, F. 2005. “The Particular–Universal Distinction: A Dogma of Metaphysics?” Mind 114 (455): 565–614. https://doi.org/10.1093/mind/fzi565.Search in Google Scholar

Meisinger, N. 2025. “Das Universalienproblem aus Sozialontologischer Perspektive.” Zeitschrift Für Philosophische Forschung 79 (4): 488–507.Search in Google Scholar

Miller, J. T. M. 2016. “The Non-existence of Ontological Categories: A Defence of Lowe.” Metaphysica 17 (2): 163–76. https://doi.org/10.1515/mp-2016-0012.Search in Google Scholar

Miller, J. T. M. 2024. “Hyperintensionality and Ontological Categories.” Erkenntnis 89 (7): 2663–81. https://doi.org/10.1007/s10670-022-00646-3.Search in Google Scholar

Paul, L. A. 2017. “A One Category Ontology.” In Being, Freedom, and Method: Themes from the Philosophy of Peter Van Inwagen, 1st ed., edited by J. A. Keller, 32–61. Oxford: Oxford University Press.10.1093/acprof:oso/9780198715702.003.0003Search in Google Scholar

Peacock, H. 2016. “Where are Universals?” Metaphysica 17 (1): 43–67. https://doi.org/10.1515/mp-2016-0005.Search in Google Scholar

Russell, B. 1902. “Letter to Frege (16 June 1902).” In From Frege to Gödel: A Source Book in Mathematical Logic, 1879–1931, edited by Jean van Heijenoort, 124–5. Cambridge: Harvard University Press.Search in Google Scholar

Tegtmeier, E. 1992. Grundzüge einer kategorialen Ontologie: Dinge, Eigenschaften, Beziehungen, Sachverhalte. Alber-Reihe Philosophie. Freiburg, München: Karl Alber.Search in Google Scholar

Tegtmeier, E. 2015. “Particulars and Other Categories.” The Monist 98 (3): 344–51. https://doi.org/10.1093/monist/onv013.Search in Google Scholar

Thomasson, A. 2019. Categories. The Stanford Encyclopedia of Philosophy (Summer 2019 Edition), edited by Edward N. Zalta. Metaphysics Research Lab, Stanford University. https://plato.stanford.edu/archives/sum2019/entries/categories.Search in Google Scholar

Westerhoff, J. 2005. Ontological Categories: Their Nature and Significance. Oxford: Clarendon Press.10.1093/acprof:oso/9780199285044.001.0001Search in Google Scholar

Whitehead, A. N. 1929. Process and Reality: An Essay in Cosmology. Gifford Lectures Delivered in the University of Edinburgh During the Session 1927–1928. New York: Macmillan.Search in Google Scholar

Williams, D. C. 1953. “On the Elements of Being: I.” The Review of Metaphysics 7 (1): 3–18.Search in Google Scholar

Wohlers, C., ed. 2011. René Descartes – Meditationen: Mit sämtlichen Einwänden und Erwiderungen. Hamburg: Meiner.Search in Google Scholar

Received: 2024-12-30
Accepted: 2025-07-24
Published Online: 2025-10-27
Published in Print: 2026-04-26

© 2025 Walter de Gruyter GmbH, Berlin/Boston

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