Differentia in the Medieval Latin West

Workshop organized by Vitor Bragança, Rodrigo Guerizoli and Ana María Mora-Márquez

May 20-21, 2026. Location: LUX B353.

Financed by Knut and Alice Wallenberg Foundation. 

Contact: ana_maria.mora_marquezfil.luse

Program

20 May

13:20 Opening Remarks
– Rodrigo Guerizoli (Federal University of Rio de Janeiro)

13:30 Determination vs. Opposition in Aquinas's Theory of Definition 
– Therese Scarpelli Cory (Notre Dame University)

14:30Inhaerentia and differentia: Understanding Definition According to Dietrich of Freiberg 
– Tamar Tsopurashvili (Ilia State University)

15:30 Coffee break

16:00 Radulphus Brito on the Metaphysics and Logic of the Differentia 
– Ana María Mora-Márquez (Lund University)

21 May

14:30 Chatton vs. Ockham: The Individual Difference and the Indiscernibility of Identicals 
– Rondo Keele (Northwestern State University of Louisiana)

15:30 Coffee break

16:00 Redefining Correspondence: Marsilius of Inghen on Imaginability 
– Gabriel Andrés Molero (Radboud University)

17:00 Closing Remarks 
– Vitor Bragança (Federal University of Goiás)