Combining Texts

All the ideas for 'works', 'Two Chief World Systems' and 'Elucidation of some points in E.Schrder'

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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]

23. Ethics / C. Virtue Theory / 3. Virtues / a. Virtues

20239

Unlike us, the early Greeks thought envy was a good thing, and hope a bad thing [Hesiod, by Nietzsche]

27. Natural Reality / A. Classical Physics / 1. Mechanics / b. Laws of motion

19673

Galileo mathematised movement, and revealed its invariable component - acceleration [Galileo, by Meillassoux]