Combining Texts

All the ideas for 'God and Human Attributes', 'The Logical Syntax of Language' and 'On the Concept of Number'

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

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4 ideas

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

13342

Carnap defined consequence by contradiction, but this is unintuitive and changes with substitution [Tarski on Carnap]

5. Theory of Logic / C. Ontology of Logic / 4. Logic by Convention

13251

Each person is free to build their own logic, just by specifying a syntax [Carnap]

6. Mathematics / C. Sources of Mathematics / 7. Formalism

22293

Hilbert said (to block paradoxes) that mathematical existence is entailed by consistency [Hilbert, by Potter]

28. God / B. Proving God / 2. Proofs of Reason / c. Moral Argument

20713

God must be fit for worship, but worship abandons morally autonomy, but there is no God [Rachels, by Davies,B]