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First Outline of a System of the Philosophy of Nature
F. W. J. Schelling
Mathematics and Plausible Reasoning: Induction and Analogy in ...
György Pólya
Abduction in Logic, Philosophy of Science & Artical Intelligence
Atocha Aliseda-Llera
A Logical Approach to Philosophy: Essays in Honour of Graham ...
David Devidi & Tim Kenyon
Der Magnetmotor: Freie Energie selber bauen
Patrick Weinand-Diez & Sonja Weinand