Combining Texts

All the ideas for 'Set Theory and related topics (2nd ed)', 'Summa' and 'What is so bad about Contradictions?'

expand these ideas     |    start again     |     specify just one area for these texts

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4 ideas

2. Reason / B. Laws of Thought / 3. Non-Contradiction

9123	Someone standing in a doorway seems to be both in and not-in the room [Priest,G, by Sorensen]

4. Formal Logic / F. Set Theory ST / 3. Types of Set / e. Equivalence classes

8920	Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz]

9. Objects / B. Unity of Objects / 2. Substance / c. Types of substance

16616

Substances 'substand' (beneath accidents), or 'subsist' (independently) [Eustachius]

9. Objects / C. Structure of Objects / 2. Hylomorphism / a. Hylomorphism

16585

Prime matter is free of all forms, but has the potential for all forms [Eustachius]