Combining Texts

Ideas for 'Laches', 'The Tarskian Turn' and 'Principia Mathematica'

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2 ideas

5. Theory of Logic / E. Structures of Logic / 6. Relations in Logic

10036

In 'Principia' a new abstract theory of relations appeared, and was applied [Russell/Whitehead, by Gödel]

5. Theory of Logic / E. Structures of Logic / 8. Theories in Logic

15328

A theory is 'non-conservative' if it facilitates new mathematical proofs [Horsten]