Combining Texts

All the ideas for 'Leibniz', 'The General Theory of Employment' 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]

9. Objects / F. Identity among Objects / 7. Indiscernible Objects

7566	The Identity of Indiscernibles is really the same as the verification principle [Jolley]

24. Political Theory / D. Ideologies / 6. Liberalism / b. Liberal individualism

22601

Laissez-faire individualism doesn't work, especially in troublesome times [Keynes]