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Insgesamt 191 Titel
Tractatus Logico-Philosophicus (Chiron Academic Press - The Original Authoritative Edition)
Ludwig Wittgenstein
1001 Chess Exercises for Beginners: The Tactics Workbook That Explains the Basic Concepts, Too
Franco MasettiProblems For Metagrobologists: A Collection Of Puzzles With Real Mathematical, Logical Or Scientific Content
David Singmaster