Logic-Based Knowledge Representation
Frank van Harmelen & Peter Jackson & Han Reichgelt
Ockham to the Speculative Mystics (Christian Library)
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An Introduction to English Grammar
Gerald Nelson & Sidney Greenbaum
Learn to Read with Great Speed! Only 10 minutes a day! (How ...
Michal Stawicki
Theory of Knowledge
Keith Lehrer
Pale Blue Dot
Carl Sagan