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Ideas for 'works', 'Phaedrus' and 'Intro to Gdel's Theorems'

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3 ideas

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / a. Numbers

10599

For primes we write (x not= 1 ∧ ∀u∀v(u x v = x → (u = 1 ∨ v = 1))) [Smith,P]

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / g. Real numbers

10610

The reals contain the naturals, but the theory of reals doesn't contain the theory of naturals [Smith,P]

6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / f. Arithmetic

10619

The truths of arithmetic are just true equations and their universally quantified versions [Smith,P]