Combining Texts

All the ideas for 'Two Problems of Epistemology', 'works' 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

1. Philosophy / A. Wisdom / 2. Wise People

15833

Tell cleverness from answers, but wisdom from questions [Mahfouz]

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]

14. Science / A. Basis of Science / 6. Falsification

18284

Particulars can be verified or falsified, but general statements can only be falsified (conclusively) [Popper]