
Free Download Andrew Arana, "Elements of Purity " English | ISBN: 1009055895 | 2024 | 75 pages | PDF | 3 MB A proof of a theorem can be said to be pure if it draws only on what is 'close' or 'intrinsic' to that theorem. In this Element we will investigate the apparent preference for pure proofs that has persisted in mathematics since antiquity, alongside a competing preference for impurity. In Section 1, we present two examples of purity, from geometry and number theory. In Section
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