### Recent Talks

- “Diagrammatic Reasoning in Nineteenth Century Geometry: its development and eclipse,” Workshop: “Mathematics and its Philosophy between the 18th and the 19th Century,” Amsterdam, July 2018 (slides)
- “Frege’s Anti-Psychologism in its Historical Context,” Pacific APA, 2016 (handout)
- “The Abstractionist Theory of Concept Formation After Kant,” Pacific APA, 2016 (handout)
- “‘If Numbers are to be anything at all, then they must be intrinsically something’: Bertrand Russell and Mathematical Structuralism,” UC Riverside, 2016 (handout)
- “Russell’s Road from Geometry,” McMaster 2015, LPS Logic Seminar 2016 (slides)
- “What is ‘Idealism’ in Neo-Kantian Philosophy of Science?,” University of Konstanz, Germany, 2016 (slides)
- “Could the ancients prove that any five points determine a conic? Descartes v Newton,” Case Studies in Mathematical Practice, University of Paris, 2016 (slides)
- “Kant on Imagination in Geometry,” Pacific APA, 2015
- “If logic has been complete since Aristotle, what’s left for a logician to do?” McMaster University, 2015 (handout)
- “The Geometry Behind Poincaré’s Conventionalism,” PSA 2012; Dubrovnik Conference on History of Analytic Philosophy, 2014; LPS Logic Seminar, 2014 (slides)
- “Why Did Geometers Stop Using Diagrams?” The first workshop of the Philosophy of Mathematics Association, Notre Dame, 2012; Carnegie Mellon University, 2014; HPLMS group, UC Berkeley, 2015; LPS Logic Seminar, 2016 (slides)
- “Leibniz versus Kant on Euclid’s Axiom of Parallels,” HOPOS 2012, Halifax (handout)
- “Should Kant have thought that logic was complete since Aristotle?” University of Pittsburgh, April 2012; UC Davis, 2014; McMaster University, 2015 (slides)

### Older Talks

- “Substance, function, and the a priori,” APA Pacific Division, April 2012
- “Kant on Parallel Lines,” California State University, Long Beach, 2011; The Pacific Study Group of the North American Kant Society, 2010; HOPOS 2010
- “Ernst Cassirer on ‘Substance-concepts’ and ‘Function-concepts'”, HPLMS Group, University of California, Berkeley, 2010; Conference on Mathematical Analysis and the Origins of Analytic Philosophy, York, 2010; “The Kantian Legacy in the Philosophy of Mathematics,” Turin, Italy, 2010
- “Frege, Lotze, and Boole,” given at the SoCal HPLM group, February 2010
- “Ernst Cassirer’s Neo-Kantian Philosophy of Geometry,” University of California, San Diego, January 2010
- “Ernst Cassirer and the Berlin Group,” Hans Reichenbach and the Berlin Group, the University of Paderborn, Germany, 2009
- “The Priority Principle from Kant to Frege,” given at University of North Carolina, Chapel Hill, 2009; University of California, Riverside, 2009; FregeFest 2010, Irvine
- “‘Critical philosophy begins at the very point where logistic leaves off’: Cassirer’s response to Frege and Russell”, given at University of Nevada, Las Vegas, 2008; HOPOS 2008