Combining Texts

All the ideas for 'reports', 'Sociobiology' and 'The Logical Syntax of Language'

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]

10. Modality / A. Necessity / 8. Transcendental Necessity

3016	Even the gods cannot strive against necessity [Pittacus, by Diog. Laertius]

22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / d. Biological ethics

22187

Genetic behaviours that have enhanced human success include aggression, rape and xenophobia [Wilson,EO, by Okasha]