Combining Texts

All the ideas for 'The Gettier Problem', 'Letters to William Molyneux' and 'The Concept of Logical Consequence'

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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]

9. Objects / D. Essence of Objects / 13. Nominal Essence

12812

Things have real essences, but we categorise them according to the ideas we receive [Locke]

13. Knowledge Criteria / A. Justification Problems / 2. Justification Challenges / b. Gettier problem

19699

A Gettier case is a belief which is true, and its fallible justification involves some luck [Hetherington]

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

13345

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