Combining Texts

All the ideas for 'Clitophon', 'Set Theory and related topics (2nd ed)' and 'Immortality of the Soul'

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 / e. Equivalence classes

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

22. Metaethics / B. Value / 2. Values / f. Altruism

1590	The just man does not harm his enemies, but benefits everyone [Plato]

29. Religion / B. Monotheistic Religion / 4. Christianity / c. Angels

16689

The schools said spirits lack extension, and wonder how many could dance on a needle's point [More,H]