Combining Texts

Ideas for 'New System and Explanation of New System', 'Reference and Essence (1st edn)' and 'Frege philosophy of mathematics'

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2 ideas

2. Reason / D. Definition / 7. Contextual Definition

9847	A contextual definition permits the elimination of the expression by a substitution [Dummett]

2. Reason / D. Definition / 11. Ostensive Definition

18889

Ostensive definitions needn't involve pointing, but must refer to something specific [Salmon,N]