The “Roots and New Trends in Logicism” workshop brings together state of the art research on historical accounts and contemporary contributions to Logicism. The workshop aims to foster discussion on the interplay between mathematics, logic, metaphysics and epistemology, and stimulate future work on the field.

Invited speakers: Ludovica Conti (University of Vienna), Fernando Ferreira (University of Lisbon), Salvatore Florio (University of Oslo), Sébastien Gandon (Clermont Auvergne University), Gregory Landini (University of Iowa), Hannes Leitgeb (LMU Munich – MCMP).

Programme

Wednesday, September 11th

9.30 – 11.00, Fernando Ferreira (University of Lisboa) – ‘On the alleged failure of Frege’s original programme’
11.00 – 11.30, Coffee break
11.30 – 13.00, Matteo de Ceglie (University of Salzburg) – ‘Good Company, pluralism, and the foundations of mathematics’
13.00 – 14.30, Lunch
14.30 – 16.00, Russell Wahl (Idaho State University) – ‘Russell’s Logicism and Poincaré’s Anti-Logicism’
16.00 – 16.30, Coffee break
16.30 – 18.00, Ludovica Conti (University of Vienna) – ‘Arbitrary Frege Arithmetic’

Thursday, September 12th

9.30 – 11.00, Hannes Leitgeb (MCMP) – ‘Semantic Analyticity and Carnapian Logicism’
11.00 – 11.30, Coffee break
11.30 – 13.00, Iben Bollaert & Cato Andriessen (Ghent University) – ‘From Logik to Logicism: Tracing the Roots from Hegel to Frege’
13.00 – 14.30, Lunch
14.30 – 16.00, Antônio Mesquita (Autonomous University of Madrid) – ‘The Boundaries of Logicism: Definability and Non-Denumerability’
16.00 – 16.30, Coffee break
16.30 – 18.00, Gregory Landini (University of Iowa) – ‘Frege’s Logicism is Antithetical to Whitehead-Russell Logicism’

19:30, Conference dinner

Friday, September 13th

9.30 – 11.00, Sébastien Gandon (Clermont Auvergne University) – ‘Russell’s architectonic logicism’
11.00 – 11.30, Coffee break
11.30 – 13.00, Salvatore Florio (University of Oslo) – ‘Critical Plural Logic and Abstraction’
13.00 – 14.30, Lunch

The workshop is funded by the Centre for Philosophy of Sciences of the University of Lisbon (CFCUL) (UIDB/00678/2020, DOI: https://doi.org/10.54499/UIDB/00678/2020) and the Centre of Philosophy of the University of Lisbon (CFUL) (UIDB/00310/2020, DOI: https://doi.org/10.54499/UIDB/00310/2020.