Combining Texts

All the ideas for 'works', 'Modal Realism at Work: Properties' and 'On the Reduction of Necessity to Essence'

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

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4 ideas

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

16974

The nature of each logical concept is given by a collection of inference rules [Correia]

5. Theory of Logic / G. Quantification / 2. Domain of Quantification

17743

De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki]

8. Modes of Existence / B. Properties / 11. Properties as Sets

4038	Properties are sets of their possible instances (which separates 'renate' from 'cordate') [Lewis, by Mellor/Oliver]

10. Modality / A. Necessity / 6. Logical Necessity

16973

Explain logical necessity by logical consequence, or the other way around? [Correia]