Jaakko Hintikka and Gabriel Sandu
Uses and Misuses of Frege's Ideas
Göran Sundholm
Proof-Theoretical Semantics and Fregean Identity Criteria
for Propositions
Karl Lambert and Peter Simons
Characterizing and Classifying: Explicating a Biological
Distinction
Adam Drozdek and Tom Keagy
A Case for Realism in Logic
Claire Ortiz Hill
Frege's Attack on Husserl and Cantor
Dale Jacquette
Formalization in Philosophical Logic
Gerhard Schurz
Admissible versus Valid Rules: A Case Study of the Modal
Fallacy
Paul Tidman
Logic and Modal Intuitions