Combining Philosophers

All the ideas for Hilbert,D/Ackermann,W, Menedemus and Peter Forrest

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

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4 ideas

3. Truth / B. Truthmakers / 3. Truthmaker Maximalism

17962

The truth-maker principle is that every truth has a sufficient truth-maker [Forrest]

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]

10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / a. Nature of possible worlds

15432

Structural universals might serve as possible worlds [Forrest, by Lewis]

23. Ethics / A. Egoism / 1. Ethical Egoism

3031	The greatest good is not the achievement of desire, but to desire what is proper [Menedemus, by Diog. Laertius]