Combining Texts

All the ideas for 'On Motion', 'The Structure of Science' and 'Building Blocks of Mathematical Logic'

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

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3 ideas

5. Theory of Logic / E. Structures of Logic / 4. Variables in Logic

17699

Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel]

7. Existence / C. Structure of Existence / 2. Reduction

3425	Reduction has been defined as deriving one theory from another by logic and maths [Nagel,E, by Kim]

27. Natural Reality / B. Modern Physics / 1. Relativity / a. Special relativity

12709

Motion is not absolute, but consists in relation [Leibniz]