Combining Texts

All the ideas for 'The Sign of Four', 'Tarski on Truth and Logical Consequence' and 'Foundations of Geometry'

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5 ideas

3. Truth / F. Semantic Truth / 1. Tarski's Truth / c. Meta-language for truth

19323

'Snow is white' depends on meaning; whether snow is white depends on snow [Etchemendy]

3. Truth / G. Axiomatic Truth / 1. Axiomatic Truth

19137

We can get a substantive account of Tarski's truth by adding primitive 'true' to the object language [Etchemendy]

5. Theory of Logic / C. Ontology of Logic / 3. If-Thenism

10053

Geometrical axioms imply the propositions, but the former may not be true [Russell]

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

10052

Geometry is united by the intuitive axioms of projective geometry [Russell, by Musgrave]

14. Science / C. Induction / 1. Induction

22200

If you eliminate the impossible, the truth will remain, even if it is weird [Conan Doyle]