1953 An Introduction to Symbolic Logic by Susanne Langer Second Revised Edition

Introduction To Symbolic Logic By Basson And O’Connor, University Tutorial Press

SYMBOLIC LOGIC An Introduction by Richmond H. THOMASON / MACMILLAN PUBL. 1970

AN INTRODUCTION TO SYMBOLIC LOGIC. Second Edition (Revised).

Symbolic logic: An Introduction by Richmond H Thomason

An Introduction to the Logic of Marxism by George Novack: Used

Symbolic logic: An Introduction by Richmond H Thomason

Logical Forms: An Introduction to Philosophical Logic By Mark S