Introduction to Logic by Carl Cohen and Irving M. Copi (1997, Hardcover)

Introduction to Logic by Carl Cohen and Irving M. Copi (1993, Trade Paperback)

Introduction to Logic by Irving Copi seventh edition

Introduction to Logic - Paperback By Copi, Irving - ACCEPTABLE

Introduction to Logic by Carl Cohen, Irving M. Copi and Kenneth McMahon

Introduction to Logic by Carl Cohen and Irving M. Copi (1993, Trade Paperback)

Introduction to Logic by Carl Cohen and Irving M. Copi (2004, Hardcover)

Symbolic Logic - Paperback, by Irving M. Copi - Acceptable n