Combining Texts

All the ideas for 'Reply to Professor Marcus', 'The Development of Logic' and 'Thought and Responsibility'

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

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3 ideas

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / f. Axiom of Infinity V

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The axiom of infinity is not a truth of logic, and its adoption is an abandonment of logicism [Kneale,W and M]

5. Theory of Logic / G. Quantification / 4. Substitutional Quantification

10801

Either reference really matters, or we don't need to replace it with substitutions [Quine]

22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / g. Moral responsibility

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A man is a responsible agent to the extent he has an intention, and knows what he is doing [Hampshire]