Combining Philosophers

All the ideas for Saunders MacLane, Robert Grosseteste and Walter Burley

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5 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]

9. Objects / B. Unity of Objects / 2. Substance / b. Need for substance

16629

By comparing qualities and features, reason can gradually infer the nature of substance [Grosseteste]

9. Objects / E. Objects over Time / 6. Successive Things

16698

Days exist, and yet they seem to be made up of parts which don't exist [Burley]

16690

Unlike permanent things, successive things cannot exist all at once [Burley]

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / c. Primary qualities

16719

The primary qualities are mixed to cause secondary qualities [Burley]