The Tao Is Silent, Paperback
Raymond M. Smullyan
Set Theory and the Continuum Problem, Paperback
First-Order Logic, Paperback
A Beginner's Guide to Mathematical Logic, Paperback
Beginner's Further Guide To Mathematical Logic, A
Teoremele godeliene de incompletitudine - Raymond M. Smullyan
What Is the Name of This Book': The Riddle of Dracula and Other Logical Puzzles, Paperback
King Arthur in Search of His Dog and Other Curious Puzzles, Paperback/Raymond M. Smullyan