Combining Texts

All the ideas for 'A Problem about Substitutional Quantification?st1=Saul A. Kripke', 'The Concept of Logical Consequence' and 'Real Essence'

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

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6 ideas

2. Reason / D. Definition / 4. Real Definition

16030

'Nominal' definitions identify things, but fail to give their essence [Jones,J-E]

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

18812

Split out the logical vocabulary, make an assignment to the rest. It's logical if premises and conclusion match [Tarski, by Rumfitt]

5. Theory of Logic / B. Logical Consequence / 4. Semantic Consequence |=

13344

X follows from sentences K iff every model of K also models X [Tarski]

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

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The substitutional quantifier is not in competition with the standard interpretation [Kripke, by Marcus (Barcan)]

5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models

13343

A 'model' is a sequence of objects which satisfies a complete set of sentential functions [Tarski]

19. Language / E. Analyticity / 1. Analytic Propositions

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Sentences are 'analytical' if every sequence of objects models them [Tarski]