| Frege: two theses, two senses | 2003/01/01 | English | 8 |
| Frege, Dedekind, and the Origins of Logicism | 2013/08/01 | English | 8 |
| On Understanding Leśniewski | 1982/01/01 | English | 8 |
| Existence, Negation, and Abstraction in the Neoplatonic Hierarchy1 | 1995/01/01 | English | 8 |
| ‘ich habe mich wohl gehütet, alle patronen auf einmal zu verschießen’. ernst zermelo in göttingen | 1990/01/01 | English | 8 |
| Brouwer's Incomplete Objects | 2010/02/01 | English | 8 |
| A Critical Examination of the Historical Origins of Connexive Logic | 2019/08/20 | English | 8 |
| Cantor on Frege'sFoundations of Arithmetic: Cantor's 1885 Review of Frege'sDie Grundlagen der Arithmetik | 2009/11/01 | English | 7 |
| Locke and Arnauld on Judgment and Proposition | 2008/11/01 | English | 7 |
| A Formal Reconstruction of Buridan's Modal Syllogism | 2014/07/04 | English | 7 |
| Square of Opposition: A Diagram and a Theory in Historical Perspective | 2014/05/21 | English | 7 |
| Diagrammatic Reasoning: Some Notes on Charles S. Peirce and Friedrich A. Lange | 2013/11/01 | English | 7 |
| Russell's 1903 - 1905 Anticipation of the Lambda Calculus | 2003/01/01 | English | 7 |
| Avicenna on Possibility and Necessity | 2014/05/22 | English | 7 |
| Mathematical roots of phenomenology: Husserl and the concept of number | 2006/11/01 | English | 7 |
| Completion, reduction and analysis: three proof-theoretic processes in aristotle’sprior analytics | 1998/01/01 | English | 7 |
| A new interpretation of russell's multiple-relation theory of judgment | 1991/01/01 | English | 7 |
| Etchemendy and Bolzano on Logical Consequence | 2010/02/01 | English | 7 |
| Frege, August Bebel and the Return of Alsace-Lorraine: The dating of the distinction between Sinn and Bedeutung | 2001/06/01 | English | 6 |
| Symmetry and Paradox | 2006/11/01 | English | 6 |
| Decomposition and analysis in frege’sgrundgesetze | 1996/01/01 | English | 6 |
| Psychology in the foundations of logic and mathematics: the cases of boole, cantor and brouwer | 1982/01/01 | English | 6 |
| Frege’S reduction | 1994/01/01 | English | 6 |
| Georg cantor's influence on bertrand russell | 1980/01/01 | English | 6 |
| Ontologically neutral logic | 1997/01/01 | English | 6 |
| Peano as logician | 1987/01/01 | English | 6 |
| Notes and queries | 1981/01/01 | English | 6 |
| On extremal axioms | 1981/01/01 | English | 6 |
| Completeness: from Gödel to Henkin | 2013/07/05 | English | 6 |
| Zermelo: definiteness and the universe of definable sets | 2003/09/01 | English | 6 |