Two years ago, a couple of high school classmates each composed a mathematical marvel, a trigonometric proof of the Pythagorean theorem. Now, they’re unveiling 10 more. For over 2,000 years, such ...
A theorem is a proposition that has been or is to be proved on the basis of explicit assumptions. What is the difference between a theorem and a lemma? A theorem is a proposition that has been or is ...
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