Combining Texts

All the ideas for 'works (all lost)', 'The Concept of Logical Consequence' and 'That Politics may be reduced to a Science'

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7 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]

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

13345

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

23. Ethics / C. Virtue Theory / 4. External Goods / d. Friendship

21093

Friendship without community spirit misses out on the main part of virtue [Hume]

24. Political Theory / B. Nature of a State / 3. Constitutions

21091

It would be absurd if even a free constitution did not impose restraints, for the public good [Hume]

24. Political Theory / C. Ruling a State / 2. Leaders / d. Elites

21092

Nobility either share in the power of the whole, or they compose the power of the whole [Hume]