Combining Texts

All the ideas for 'fragments/reports', 'Russell' and 'A Note on the entscheidungsproblem'

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7 ideas

5. Theory of Logic / K. Features of Logics / 7. Decidability

18758

Validity is provable, but invalidity isn't, because the model is infinite [Church, by McGee]

6. Mathematics / C. Sources of Mathematics / 6. Logicism / a. Early logicism

6408	Russell needed three extra axioms to reduce maths to logic: infinity, choice and reducibility [Grayling]

12. Knowledge Sources / A. A Priori Knowledge / 2. Self-Evidence

6414	Two propositions might seem self-evident, but contradict one another [Grayling]

22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / j. Ethics by convention

536	We should follow the law in public, and nature in private [Antiphon]

1557	To gain the greatest advantage only treat law as important when other people are present [Antiphon]

23. Ethics / C. Virtue Theory / 2. Elements of Virtue Theory / e. Character

540	The way you spend your time will form your character [Antiphon]

24. Political Theory / D. Ideologies / 2. Anarchism

539	Nothing is worse for mankind than anarchy [Antiphon]