Combining Texts

All the ideas for 'works', 'Meaning and Necessity' and 'Mathematics: Form and Function'

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3 ideas

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets

18189

ZFC could contain a contradiction, and it can never prove its own consistency [MacLane]

6. Mathematics / B. Foundations for Mathematics / 3. Axioms for Geometry

13007

Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz]

19. Language / C. Assigning Meanings / 8. Possible Worlds Semantics

11968

The intension of a sentence is the set of all possible worlds in which it is true [Carnap, by Kaplan]