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Angels and Demons: From Creation to Armageddon
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Philosophy and Civilization in the Middle Ages
M. de (maurice) Wulf
Knowledge Representation and Defeasible Reasoning
Henry E. Kyburg Jr. & R. P. Loui & G. N. Carlson
The Lessons of Tragedy: Statecraft and World Order
Hal Brands & Charles N. Edel
Problems on Partial Differential Equations
Maciej Borodzik & Paweł Goldstein & Piotr Rybka & Anna Zatorska-Goldstein
Problem Books in Mathematics (1)
Solving Problems in Mathematical Analysis, Part I
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Solving Problems in Mathematical Analysis, Part II
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