Aristotle's Syllogistic Underlying Logic. His Model with his Proofs of Soundness and CompletenessGeorge BogerVypredaná4,3Postrážiť
Philosophical Applications of Modal Logic - skladem, lehce poškozený kusLloyd HumberstoneVypredaná4,3Postrážiť
Non-commutative Algebras. Pseudo-BCK Algebras versus m-pseudo-BCK AlgebrasAfrodita IorgulescuVypredaná4,3Postrážiť
Corroborations and Criticisms. Forays with the Philosophy of Karl PopperIvor Grattan-GuinnessVypredaná4,3Postrážiť