PREDICATE-FUNCTOR LOGIC WITH OPERATION SYMBOLS (x) Teo Grünberg This paper is a sequel to the present author's A tableau system of proof for predicate-functor logic with identity Q), or [TPF] for ...

Logic is among the oldest and most foundational of the university disciplines. The goal is to equip students with most general possible framework for sound and rigorous reasoning — one that works ...

SUMMARY: At the beginning of the 20th century, philosophical thought was transformed by the discovery of the "new logic", i.e. mathematical or symbolic logic. With this novum organum, philosophers ...