A Brief Introduction to the Infinitesimal Caculus by Irving Fisher Paperback Boo

Introduction to Logic by Irving M. Copi - 1968 Hardcover Vintage - 3rd Edition

Brief Introduction to the Infinitesimal Calculus, Paperback by Fisher, Irving...

Symbolic Logic by Irving M. Copi 1973, Hardcover

Vintage Introduction To LOGIC Second Edition Irving M. Copi 1961 Hardcover

Introduction to Infinitesimal Calculus by G. W. Gaunt

Symbolic Logic by Irving M. Copi (1979, Hardcover)