Combining Texts

All the ideas for 'Of Civil Liberty', 'Principles of Theoretical Logic' and 'On the Reality of Accidents'

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

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3 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]

8. Modes of Existence / E. Nominalism / 4. Concept Nominalism

19382

Abstracta are abbreviated ways of talking; there are just substances, and truths about them [Leibniz]

24. Political Theory / C. Ruling a State / 2. Leaders / b. Monarchy

21097

Modern monarchies are (like republics) rule by law, rather than by men [Hume]