theorem

noun
the·​o·​rem | \ ˈthē-ə-rəm How to pronounce theorem (audio) , ˈthir-əm\

Definition of theorem

1 : a formula, proposition, or statement in mathematics or logic deduced or to be deduced from other formulas or propositions
2 : an idea accepted or proposed as a demonstrable truth often as a part of a general theory : proposition the theorem that the best defense is offense
3 : stencil
4 : a painting produced especially on velvet by the use of stencils for each color

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Other Words from theorem

theorematic \ ˌthē-​ə-​rə-​ˈma-​tik How to pronounce theorematic (audio) , ˌthir-​ə-​ \ adjective

Examples of theorem in a Sentence

Recent Examples on the Web

Similarly, the famous four-color theorem can also be stated in terms of chromatic polynomials. Quanta Magazine, "Color Me Polynomial," 13 Aug. 2019 The combination of quantum mechanics with relativity theory rules out particles: according to several mathematical theorems, nothing can be localized in the way that the traditional concept of a particle implies. George Musser, Scientific American, "The Search for Truth in Physics," 25 Aug. 2019 So the theorem can be stated: If more than two islands have an odd number of bridges, then the bridges problem has no solution. Dave Linkletter, Popular Mechanics, "How to Mow Your Lawn Using Math," 16 Aug. 2019 To understand the theorem, imagine a two-dimensional square lattice. Marcus Woo, WIRED, "A Child’s Puzzle Helped Uncover How Magnets Really Work," 27 Jan. 2019 He is remembered for Bayes’ theorem, a mathematical formula that shows how to use new evidence to adjust probabilities. William Poundstone, WSJ, "‘Doomsday’ Math Says Humanity May Have Just 760 Years Left," 27 June 2019 Experts have also suggested that the ancient site may have been built using Greek philosopher Pythagoras’ famous theorem two millennia before the mathematical equation was developed. Fox News, "Mysterious Stonehenge structure may have been built using pig fat," 18 July 2019 Emmy Noether and her never-ending impact on algebra and physics due to her theorem on the relationship between symmetries and conservation law. Discover Magazine, "Women in Science," 4 Jan. 2019 But surely very few people need to be told that human identities lack the certainty of mathematical theorems. Barton Swaim, WSJ, "Books on Politics: We Are All Aggrieved Minorities Now," 6 Sep. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'theorem.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of theorem

1551, in the meaning defined at sense 1

History and Etymology for theorem

Late Latin theorema, from Greek theōrēma, from theōrein to look at, from theōros spectator, from thea act of seeing — more at theater entry 1

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More Definitions for theorem

theorem

noun

English Language Learners Definition of theorem

technical : a formula or statement that can be proved from other formulas or statements

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