Combining Texts

All the ideas for 'Presupposition', 'Reply to Professor Frankena' and 'Letter to Frege 29.12.1899'

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

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4 ideas

3. Truth / G. Axiomatic Truth / 1. Axiomatic Truth

15716

If axioms and their implications have no contradictions, they pass my criterion of truth and existence [Hilbert]

4. Formal Logic / A. Syllogistic Logic / 3. Term Logic

19053

Logic would be more natural if negation only referred to predicates [Dummett]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / c. not

19052

Natural language 'not' doesn't apply to sentences [Dummett]

23. Ethics / D. Deontological Ethics / 4. Categorical Imperative

22395

Moral judgements are hypothetical, because they depend on interests and desires [Foot]