Combining Texts

Ideas for 'fragments/reports', 'Logic in Mathematics' and 'Metaphysics: an introduction'

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5 ideas

2. Reason / B. Laws of Thought / 2. Sufficient Reason

5969	Chrysippus said the uncaused is non-existent [Chrysippus, by Plutarch]

2. Reason / D. Definition / 3. Types of Definition

16877

A 'constructive' (as opposed to 'analytic') definition creates a new sign [Frege]

2. Reason / D. Definition / 10. Stipulative Definition

11219

Frege suggested that mathematics should only accept stipulative definitions [Frege, by Gupta]

2. Reason / D. Definition / 12. Paraphrase

18861

Maybe number statements can be paraphrased into quantifications plus identities [Tallant]

2. Reason / E. Argument / 6. Conclusive Proof

16878

We must be clear about every premise and every law used in a proof [Frege]