Philosophy of Logic ###
Hilary Putnam
Hegel, Nietzsche, and Philosophy: Thinking Freedom
Will Dudley
Contingence in the Philosophy of Leibniz - Essay
Nicholas Rescher
The Return of the Primitive: The Anti-Industrial Revolution
Ayn Rand
Computational Recreations in Mathematica®
Ilan Vardi
A Tutorial Introduction to Mathematica®
Wade Ellis & Ed Lodi
The Child's Construction of Knowledge: Piaget for Teaching Children
George E. Forman & David S. Kuschner