Combining Texts

All the ideas for 'works', 'Philosophy in the Tragic Age of the Greeks' and 'Principles of Theoretical Logic'

expand these ideas     |    start again     |     specify just one area for these texts

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4 ideas

4. Formal Logic / C. Predicate Calculus PC / 1. Predicate Calculus PC

17750

The first clear proof of the consistency of the first order predicate logic was in 1928 [Hilbert/Ackermann, by Walicki]

23. Ethics / F. Existentialism / 5. Existence-Essence

20130

It is absurd to think you can change your own essence, like a garment [Nietzsche]

29. Religion / B. Monotheistic Religion / 4. Christianity / d. Heresy

16713

Philosophers are the forefathers of heretics [Tertullian]

29. Religion / D. Religious Issues / 1. Religious Commitment / e. Fideism

6610	I believe because it is absurd [Tertullian]