Aim
The aim of this edition of LLAL@GSIS meeting is to discuss and exchange new ideas and recent developments related to nonclassical logic and philosophical logic, broadly construed.
Date & Venue
Date: March 23 & 24, 2026.
Venue: 3rd floor, Graduate School of Information Sciences, Tohoku University.
Speakers
Jonas R. B. Arenhart (Federal University of Santa Catarina & Tohoku University)
Sara Ayhan (Tohoku University)
Ben Blumson (National University of Singapore)
Rohan French (UC Davis)
Peter Hawke (Lingnan University)
Satoru Niki (Kanagawa University)
Leonardo Pacheco (Institute of Science Tokyo)
Shawn Standefer (North Carolina State University)
Mohammad Tahmasbizadeh (Sharif University of Technology & Tohoku University)
Elia Zardini (Complutense University of Madrid)
Program
Monday, March 23
10:00-11:00 Jonas R. B. Arenhart "Priest and Newton da Costa on contradictions"
11:00-11:20 Break
11:20-12:20 Peter Hawke "Topicality and Missing-Link Conditionals"
12:20-13:30 Lunch
13:30-14:30 Sara Ayhan "Some norms of bilateralist proof-theoretic semantics"
14:30-14:50 Break
14:50-15:50 Leonardo Pacheco "Decidability via fully-labeled non-wellfounded proofs"
15:50-16:10 Break
16:10-17:10 Elia Zardini "Unstable Knowledge"
Tuesday, March 24
10:00-11:00 Rohan French "The Semantics of Rules over Monotonic Inference Relations"
11:00-11:20 Break
11:20-12:20 Mohammad Tahmasbizadeh "Are Real Numbers Real?"
12:20-13:30 Lunch
13:30-14:30 Satoru Niki "Trilateralism for a constructive logic"
14:30-14:50 Break
14:50-15:50 Ben Blumson "The Drinker Principles in Relevant Logic"
15:50-16:10 Break
16:10-17:10 Shawn Standefer "Fitch's Paradox: An Axiomatic Approach"
Acknowledgement
This workshop is generously supported by the Graduate School of Information Sciences, Tohoku University, the Invitational Fellowship Program for Collaborative Research of Tohoku University, and the Researcher, Young Leaders Overseas Program of Tohoku University.