Combining Texts

All the ideas for 'Letters to Edward Stillingfleet', 'De modo distinguendi phaenomena' and 'The Concept of Logical Consequence'

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9 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]

7. Existence / D. Theories of Reality / 2. Realism

12741

If experience is just a dream, it is still real enough if critical reason is never deceived [Leibniz]

12740

The strongest criterion that phenomena show reality is success in prediction [Leibniz]

9. Objects / D. Essence of Objects / 3. Individual Essences

15990

Every individual thing which exists has an essence, which is its internal constitution [Locke]

11. Knowledge Aims / B. Certain Knowledge / 1. Certainty

15994

If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke]

12. Knowledge Sources / B. Perception / 2. Qualities in Perception / e. Primary/secondary critique

12721

Light, heat and colour are apparent qualities, and so are motion, figure and extension [Leibniz]

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

13345

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