“Reading Newton, Reading Rule 3: How Gravity Gets Universalized in the Principia”
- Dean’s Lecture, St. John’s College, Annapolis, MD, 7 April 2023
- Dean’s Lecture, St. John’s College, Santa Fe, NM, 22 April 2022
“Descartes on Imagination, Truth, and Knowledge”
- Department of Philosophy, Wichita State University, 27 April 2018
“Induction, Deduction, and Truth in Newton’s Principia”
- Department of Philosophy, Wichita State University, 26 April 2018
“Imagining the Evil Genius in the Search for Truth: The Meditator as Non-Cartesian Skeptic”
- Indiana University, South Bend, 5 April 2018
“Mathematical Certainty and Metaphysical Truth in Newton’s Principia”
- Indiana University, South Bend, 5 April 2018
“Descartes on Imagination and Truth”
- Dean’s Lecture, St. John’s College, Santa Fe, NM, 16 February 2018
- Department of Philosophy, University of New Mexico, 19 January 2018
“Descartes’s Principles: The Case of the Missing Mathematics”
- Department of Philosophy, University of Notre Dame, 24 March 2017
“Newton on Deducing Truth from the Phenomena”
- Department of Philosophy, University of Notre Dame, 22 April 2016
“Descartes and Newton on Deducing True Laws of Nature”
- Department of Logic and Philosophy of Science, University of California, Irvine, 16 October 2015.
- Minnesota Center for Philosophy of Science, 18 September 2015
“Truth and Falsehood in Descartes’s Physics”
- Macalester College, Department of Philosophy, 17 September 2015
“The Deduction of Truth from the Phenomena in Isaac Newton’s Principia Mathematica”
- Dean’s Lecture, St. John’s College, Annapolis, MD, 27 March 2015
“Newton’s Experimental Philosophy: Deducing Truth from the Phenomena”
- Georgetown University, Department of Philosophy, 28 March 2014
“Newton’s Mathematics and Empiricism”
- The Rotman Institute of Philosophy, University of Western Ontario, 22 March 2013
“Descartes’ Mathematical Physics: A Reassessment”
- University of British Columbia, Department of Philosophy, 11 January 2013
- University of Illinois, Urbana-Champaign, Department of Philosophy, 14 September 2012
“Newton and Proclus: Understanding the Geometry of Absolute Space”
- Center for Philosophy of Science, University of Pittsburgh, 24 January 2012
“Descartes, Newton, and the Mathematical Character of Natural Philosophy”
- University of California, Riverside, 18 February 2011
- Dean’s Lecture, St. John’s College, Santa Fe, NM, 22 October 2010
“God and Nature in Seventeenth Century Science”
- University of New Mexico, Chemical Engineering Seminar Series, 5 March 2010
“The Dynamical Interplay of Mathematics and Metaphysics in Descartes’ Corpus”
- Duke University, Department of Philosophy, 4 April 2009
“The Mathematical Character of Descartes’ Early Metaphysics”
- University of New Mexico, Department of Philosophy, 21 September 2007
“Newton and Locke on the Mathematical Nature of Natural Philosophy”
- University of Houston, Department of Philosophy, 31 March 2006
“Doing Philosophy Historically: Newton’s Appeal to Ancient Mathematical Wisdom”
- University of New Mexico, Department of Philosophy, 31 March 2005
“Newton and Descartes on Math and Method”
- Washington University in St. Louis, Department of Philosophy, 11 February 2005
- Syracuse University, Department of Philosophy, 21 January 2005
“Kant’s Critique of Socratic Eudaimonism”
- University of Massachusetts, Boston, Plato Seminar, 7 February 2005
“Reconciling the Historical Conflict between Science and Religion”
- College of William and Mary, Philosophy Club, 4 February 2005
“What Newton saw (and Locke didn’t) in the Theory of Ideas”
- Fresno State University, Department of Philosophy, 11 November 2004
“Philosophy Meets Geometry: Re-figuring Newton’s Place in the Modern Period”
- Temple University, Department of Philosophy, 4 October 2004
“Newton and Descartes on Fitting Geometry with Natural Philosophy”
- California Institute of Technology, Humanities and Social Sciences, 29 March 2004
- Indiana University, Department of History and Philosophy of Science, 22 March 2004
“Beyond Form and Content: Lessons from Newton’s Philosophy of Geometry”
- University of South Carolina, Department of Philosophy, 13 February 2004
“Error & Method in Newton’s Philosophy of Experiment: The Efflux of Water & the Speed of Sound”
- Fresno State University, Department of Philosophy, 2 October 2003
“The Marriage of Mathematics and Experience: Newton’s Challenge to Locke’s Theory of Ideas”
- Hanson Lecture, Indiana University, History & Philosophy of Science, 7 Feb 2003
- Fresno State University, January 2003
- Macalester College, January 2003
- Southern Illinois University, Carbondale, January 2003
“On the Difficulty of Understanding the Principia: Newton on the Nature and Scope of Natural Knowledge”
- The international conference “Responses to Newton: The impact of the mathematical-experimental paradigm on natural philosophy, epistemology and metaphysics (1687 – 1800),” 5-7 June 2019, Institute of Philosophy, KU Leuven, Belgium, URL = https://hiw.kuleuven.be/cmprpc/events/responses-to-newton/index.html
“Manders, Generality, and Descartes’s Geometric Curves”
- One-day conference in honor of Ken Manders's contributions to the History and Philosophy of Mathematics, University of Pittsburgh, 10 November 2018
“Descartes and Newton on True Laws of Nature”
- Seventh Margaret Dauler Wilson Philosophy Conference, Northern Arizona University, 27-29 June 2016
“Descartes and Newton on Cognizing Infinity”
- Symposium: “Infinitesimals and the Infinite in Early Modern Philosophy of Mathematics,” American Philosophical Association (APA) Central Division Meeting, St. Louis, MO, 18-21 February 2015
“Mechanics in Geometry and Natural Philosophy”
- Philosophy of Science Association (PSA) Twenty-Fourth Biennial Meeting, Chicago, IL, 5-9 Nov 2014
- All in Pieces? New Insights into the Structure of Newton’s Thought Conference, Huntington Library, Pasadena, CA, 10-11 October 2014
“Philosophy of Science in Newton’s General Scholium”
- Isaac Newton’s General Scholium: A Tercentenary Symposium, University of King’s College, Halifax, Nova Scotia, 24-26 October 2013
“Newton and Proclus on the Geometry of Absolute Space”
- Ninth International Congress of HOPOS, The International Society for the History of Philosophy of Science, Halifax, Nova Scotia, 21-24 June 2012
Comments on “Friedman’s Dynamics of Reason and Galileo’s Archimedean Approximation”
- American Philosophical Association (APA) Eastern Division Meeting, Boston, MA, 27-30 Dec 2010
“Newton’s Empiricism in Cartesian Context: Revisiting the Argument for Space in De Gravitatione”
- Integrated History & Philosophy of Science, &HPS3, Indiana University, 23-26 Sept 2010
“Unity as Natural, Reason as Divine: The Beauty of Systems in Seventeenth-Century Natural Philosophy”
- Keynote Address for the American Society of Aesthetics, Rocky Mountain Division Meeting, Santa Fe, NM, 9 July 2010
“The Mathematics and Metaphysics of Descartes’ Mature Philosophy”
- HOPOS, The International Society for the History of the Philosophy of Science Eighth Biennial Congress, Budapest, Hungary, 24-27 June 2010
“Newton’s Empiricism in Cartesian Context: Revisiting the Argument for Space in De Gravitatione”
- Newton and Empiricism Conference, Center for Philosophy of Science, University of Pittsburgh, 9-11 April 2010
“Newton's Empiricism and the Emanation of Space in De Gravitatione”
- History of Science Society (HSS) Annual Meeting, Phoenix, AZ, 19-22 November 2009
“Locke’s Qualified Embrace of Newton’s Principia”
- SPAWN 2009: Nature and Purpose in Early Modern Philosophy, Syracuse, NY, 9-12 August 2009
Comments on “Metaphysical Principles and Newton's Problem about Gravity”
- American Philosophical Association (APA) Eastern Division Meeting, Philadelphia, PA, 27-30 Dec 2008
“Locke and Kant on Synthesis and Imagination in Mathematics”
- HOPOS, The International Society for the History of the Philosophy of Science Seventh Biennial Congress, Vancouver, British Columbia, 18-21 June 2008
“The God of Geometry, The God of Matter”
- &HPS1: 1st Conference in Integrated History & Philosophy of Science, Center for Philosophy of Science, University of Pittsburgh, 11-13 October 2007
“Newton as Historically-Minded Philosopher”
- Newton and/as Philosophy Conference, Leiden University, The Netherlands, 21-25 June 2007
“Construction without Spatial Constraints: Locke on Geometrical Reasoning”
- American Philosophical Association (APA) Pacific Division Meeting, San Francisco, CA, 3-8 April 2007
“Newton, Locke, and the Mathematical Nature of Natural Philosophy”
- History of Science Society (HSS) Annual Meeting, Vancouver, BC, 2-5 Nov 2006
“Locke and Newton on Induction, Deduction, and the Method of Natural Philosophy”
- HOPOS, The International Society for the History of the Philosophy of Science Sixth Biennial Congress, Paris, France, 14-18 June 2006
Comments on “Consciousness and Reflection in Locke’s Essay: Solving the Problem of Incoherence”
- APA Pacific Division Meeting, Portland, OR, 22-26 March 2006
“The Transcendental and the Geometrical: Kant’s argument for the Infinity of Space”
- Tenth International Kant Congress, University of São Paulo, São Paulo, Brazil, 4-9 September 2005
“How to Bring Newton to Bear on Modern Philosophy: The Case of Locke”
- The Southern California Philosophy Conference, University of California, Irvine, 30 October 2004
“The Geometry of the Principia: Understanding Newton’s Public Claims in the Preface”
- Fifth British-North American Joint Meeting of the British Society of the History of Science (BSHS), the Canadian Society of the History and Philosophy of Science (CSHPS), and the History of Science Society (HSS), Halifax, Nova Scotia, 5-7 August 2004
“Practice meets Ontology: Newton’s Historical Philosophy of Geometry”
- The History of the Philosophy of Science (HOPOS) Working Group Fifth Biennial Congress, San Francisco, CA, 24-27 June 2004
“The Cataract and the Fudge Factor: Newton’s Strategies for Fitting Theory to Experiment”
- History of Science Society (HSS) Annual Meeting, Cambridge, MA, 20-23 November 2003
“‘The Empiricism of Locke and Newton’: Suggestions for a Reappraisal”
- American Philosophical Association (APA) Central Division Meeting, Cleveland, OH, 23-26 April 2003
“Constructibility and Intelligibility in Newton’s Philosophy of Geometry”
- Philosophy of Science Association (PSA) Eighteenth Biennial Meeting, Milwaukee, WI, 7-11 Nov 2002
“Newton’s Philosophy of Geometry”
- The History of the Philosophy of Science (HOPOS) Working Group Fourth Biennial Congress, Montreal, Canada, 21-23 June 2002
“Newton on the Nature and Scope of Natural Knowledge”
- 2019 Du Châtelet Prize Workshop, Duke University, 4-5 April 2019
“Newton on the Mathematical Certainty of Metaphysical Truths”
- International Workshop on Traditional and Inductive Metaphysics, Technische Universität Dortmund, Germany, 7-9 December 2017, URL: https://indmet.weebly.com/traditional-and-inductive-metaphysics.html
“Kant and Newton on the A Priori Necessity of Geometry”
- German Philosophy Workshop, Department of Philosophy, University of Chicago, 12 April 2013
“Newton’s Mathematics and Empiricism”
- Early Modern Philosophy Workshop, Department of Philosophy, University of Chicago, 11 April 2013
“Descartes, Newton, and the Mathematical Character of Natural Philosophy”
- Knowledge, Representation, and Proof in the Modern Era Workshop, University of Notre Dame, 3 November 2011
“Difference, Disunity, and the Dialogue between Past and Present”
- Philosophy and Its History: A Workshop on Methods, Aims, and New Directions in Early Modern Philosophy, Concordia University, Montreal, Canada, 29-30 October 2011
“Kant on Imagination and Geometrical Certainty”
- Workshop on Geometrical Thinking at the University of Nancy, France, Sponsored by the Ideals of Proof Project directed by Michael Detlefsen, 15-16 December 2008
“Naturalism, Nominalism, and the Mathematical Treatment of Nature: Reconsidering Locke’s Relationship to Newton”
- University of California, San Diego, History of Philosophy Roundtable, 23 Feb 2007
“The Epistemological Foundations of Structural Realism: Poincaré and the Structure of Relations”
- University of Leeds, Workshop on History & Philosophy of Science, May 2000