November 30, 2021

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Review of the book "Pythagorean Theorem in 365 Proofs"

Review of the book “Pythagorean Theorem in 365 Proofs”

At the beginning of the twentieth century, the American mathematics teacher Elisha Scott Loomis compiled a set of different proofs of the Pythagorean theorem, which he discovered in magazines and books or developed himself. The second edition of the book, published in 1940, contained about 370 pieces of evidence. The collection was reprinted unchanged in 1968 on behalf of the National Council of Teachers of Mathematics (NCTM), but is rarely found in antique books.