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  1. Jun 21, 2024 · Some popular dissection proofs of the Pythagorean Theorem --such as Proof #36 on Cut-the-Knot-- demonstrate a specific, clear pattern for cutting up the figure's three squares, a pattern that applies to all right triangles.

  2. Jun 15, 2024 · Cauchy's proof. While most proofs use results from advanced mathematics, such as Fourier analysis, complex analysis, and multivariable calculus, the following does not even require single-variable calculus (until a single limit is taken at the end). For a proof using the residue theorem, see here. History of this proof

  3. Jun 5, 2024 · Journal pre-proofs are Articles in Press that have been peer reviewed and accepted for publication by the Editorial Board of this publication. They have undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but are not yet definitive versions of record.

  4. 2 days ago · 1) Prove that if \( n\ (> 4) \) is composite, then \( (n-1) ! \equiv 0 \pmod{n} \). 2) Let \( p = 4k + 1 \) be a prime. Show that there exists an integer \(n\) such that \( n^2 \equiv -1 \pmod{p} \).

  5. Jun 8, 2024 · AI Will Become Mathematicians’ ‘Co-Pilot’. Fields Medalist Terence Tao explains how proof checkers and AI programs are dramatically changing mathematics. By Christoph Drösser.

  6. Jun 21, 2024 · Direct proofs, indirect proofs, and proof by contradiction each provide unique ways to demonstrate the validity of mathematical statements. By mastering these techniques, students and mathematicians can construct clear and compelling arguments.

  7. Jun 14, 2024 · Each line of proof is made up of a sentence of proof, together with its annotation, its assumption set, and the current line number. The assumption set lists the assumptions on which the given sentence of proof depends, which are referenced by the line numbers.