Combining Philosophers

All the ideas for Saunders MacLane, Collegium Conimbricense and Moses Schnfinkel

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4 ideas

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets

18189

ZFC could contain a contradiction, and it can never prove its own consistency [MacLane]

5. Theory of Logic / E. Structures of Logic / 4. Variables in Logic

17699

Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel]

9. Objects / B. Unity of Objects / 1. Unifying an Object / a. Intrinsic unification

16751

Unity by aggregation, order, inherence, composition, and simplicity [Conimbricense, by Pasnau]

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / b. Primary/secondary

16720

Secondary qualities come from temperaments and proportions of primary qualities [Conimbricense]