First Steps in Modal Logic by Sally Popkorn (English) Paperback Book

First Steps in Modal Logic by Sally Popkorn - 9780521057936

First Steps in Modal Logic Popkorn Paperback Cambridge University Press

First Steps in Modal Logic by Sally Popkorn - 9780521464826

Popkorn - First Steps in Modal Logic - paperback or softback - G555z

First Steps in Modal Logic by Sally Popkorn (English) Hardcover Book

First-Order Logic Raymond M. Smullyan - Hardcover - Springer

A New Introduction to Modal Logic by G.E. Hughes (English) Paperback Book