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# theorem

[thee-er-uh m, theer-uh m]
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noun
1. Mathematics. a theoretical proposition, statement, or formula embodying something to be proved from other propositions or formulas.
2. a rule or law, especially one expressed by an equation or formula.
3. Logic. a proposition that can be deduced from the premises or assumptions of a system.
4. an idea, belief, method, or statement generally accepted as true or worthwhile without proof.

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1545–55; < Late Latin theōrēma < Greek theṓrēma spectacle, hence, subject for contemplation, thesis (to be proved), equivalent to theōrē-, variant stem of theōreîn to view + -ma noun suffix
Related formsthe·o·re·mat·ic [thee-er-uh-mat-ik, theer-uh-] /ˌθi ər əˈmæt ɪk, ˌθɪər ə-/, adjectivethe·o·re·mat·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for theorem

### Historical Examples

• #### Plutarch mentions a doubt whether it was this problem or the theorem of Eucl.

The Legacy of Greece

Various

• #### The period passed like a moment, as theorem after theorem was disposed of.

Peggy

Laura E. Richards

• #### Now, to proceed in this way with what may be called Mr. Hume's theorem.

British Dictionary definitions for theorem

# theorem

noun
1. maths logic a statement or formula that can be deduced from the axioms of a formal system by means of its rules of inference
Derived Formstheorematic (ˌθɪərəˈmætɪk) or theoremic (ˌθɪəˈrɛmɪk), adjectivetheorematically, adverb

## Word Origin

C16: from Late Latin theōrēma, from Greek: something to be viewed, from theōrein to view
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Word Origin and History fortheorem

### n.

1550s, from Middle French théorème, from Late Latin theorema, from Greek theorema "spectacle, speculation," in Euclid "proposition to be proved," from theorein "to consider" (see theory).

Online Etymology Dictionary, © 2010 Douglas Harper

theorem in Medicine

# theorem

(thēər-əm, thîrəm)
n.
1. An idea that is demonstrably true or is assumed to be so.
2. A mathematical proposition that has been or is to be proved on the basis of explicit assumptions.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

theorem in Science

# theorem

[thēər-əm, thîrəm]
1. A mathematical statement whose truth can be proved on the basis of a given set of axioms or assumptions.