Combining Texts

Ideas for 'Function and Concept', 'Confessions of a Philosopher' and 'Laudatio: Prof Ruth Barcan Marcus'

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2 ideas

4. Formal Logic / A. Syllogistic Logic / 2. Syllogistic Logic
Frege thought traditional categories had psychological and linguistic impurities [Frege, by Rumfitt]
4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula
If a property is possible, there is something which can have it [Williamson]