Combining Texts

All the ideas for 'General Facts,Phys Necessity, and Metaph of Time', 'The Concept of Logical Consequence' and 'Letter to Shumacher'

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

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6 ideas

3. Truth / B. Truthmakers / 3. Truthmaker Maximalism

17962

The truth-maker principle is that every truth has a sufficient truth-maker [Forrest]

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 / 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]

6. Mathematics / A. Nature of Mathematics / 5. The Infinite / d. Actual infinite

10855

Actual infinities are not allowed in mathematics - only limits which may increase without bound [Gauss]

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

13345

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