Combining Texts

All the ideas for 'Reply to Professor Marcus', 'Reply to Professor Frankena' and 'Remarks on the Foundations of Mathematics'

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

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4 ideas

3. Truth / H. Deflationary Truth / 1. Redundant Truth

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'It is true that this follows' means simply: this follows [Wittgenstein]

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]

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

11073

Two and one making three has the necessity of logical inference [Wittgenstein]

23. Ethics / D. Deontological Ethics / 4. Categorical Imperative

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Moral judgements are hypothetical, because they depend on interests and desires [Foot]