Combining Texts

All the ideas for 'The Concept of Logical Consequence', 'The Wealth of Nations' and 'Ambitious, yet modest, Metaphysics'

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9 ideas

1. Philosophy / E. Nature of Metaphysics / 5. Metaphysics beyond Science

16415

Esoteric metaphysics aims to be top science, investigating ultimate reality [Hofweber]

1. Philosophy / E. Nature of Metaphysics / 7. Against Metaphysics

16413

Science has discovered properties of things, so there are properties - so who needs metaphysics? [Hofweber]

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 / G. Quantification / 1. Quantification

16416

The quantifier in logic is not like the ordinary English one (which has empty names, non-denoting terms etc) [Hofweber]

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 / B. Contract Ethics / 1. Contractarianism

20991

People prepare our dinner from their own self-interest, not from humanity [Smith,A]

24. Political Theory / D. Ideologies / 11. Capitalism

20680

Selfish profit-seeking increases collective wealth, so greed is good, and egoism is altruism [Smith,A, by Harari]