Combining Texts

All the ideas for 'reports', 'On Aristotle's Metaphysics Book 2' and 'Elucidation of some points in E.Schrder'

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

14238

A class is an aggregate of objects; if you destroy them, you destroy the class; there is no empty class [Frege]

10. Modality / A. Necessity / 8. Transcendental Necessity

3016	Even the gods cannot strive against necessity [Pittacus, by Diog. Laertius]

26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / g. Atomism

20919

How can things without weight compose weight? [Alexander]