Logic Programming and Knowledge Representation: Third International ...
Luis Moniz Pereira & Teodor C. Przymusinski
Negation and Polarity: Syntactic and Semantic Perspectives
Laurence R. Horn & Yasuhiko KatÅ
Central Works of Philosophy: Ancient and Medieval
John Shand
The Will to Believe, Human Immortality, and Other Essays in ...
William James
The Old New Logic: Essays on the Philosophy of Fred Sommers
David S. Oderberg & P. F. Strawson
Cunningham's Encyclopedia of Magical Herbs
Scott Cunningham