Combining Texts

All the ideas for 'Constitutional Code I', 'Mathematics: Form and Function' and 'Symbolic Reasoning'

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

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3 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

21548

The null class is the class with all the non-existents as its members [MacColl, by Lackey]

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]

22. Metaethics / C. The Good / 3. Pleasure / b. Types of pleasure

5271	Prejudice apart, push-pin has equal value with music and poetry [Bentham]