Combining Texts

All the ideas for 'Subjectivist's Guide to Objective Chance', 'The Concept of Logical Consequence' and 'lectures'

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

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6 ideas

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]

11. Knowledge Aims / C. Knowing Reality / 1. Perceptual Realism / b. Direct realism

8417	Direct realism is false, because defeasibility questions are essential to perceptual knowledge [Galloway]

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

13345

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

26. Natural Theory / D. Laws of Nature / 4. Regularities / b. Best system theory

9425	Lewis later proposed the axioms at the intersection of the best theories (which may be few) [Mumford on Lewis]