# theorem

[thee-er-uh m, theer-uh m]

- Mathematics. a theoretical proposition, statement, or formula embodying something to be proved from other propositions or formulas.
- a rule or law, especially one expressed by an equation or formula.
- Logic. a proposition that can be deduced from the premises or assumptions of a system.
- an idea, belief, method, or statement generally accepted as true or worthwhile without proof.

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## Origin of theorem^{}

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

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 GreeceVarious

#### Why, Euclid would have theorem'd it out for you at a glance at the trio.

One of Our Conquerors, CompleteGeorge Meredith

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

PeggyLaura E. Richards

#### This theorem is called generally the principle of Archimedes.

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

Supernatural Religion, Vol. I. (of III)Walter Richard Cassels

## theorem

- maths logic a statement or formula that can be deduced from the axioms of a formal system by means of its rules of inference

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## 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 for theorem

### 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).

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Online Etymology Dictionary, © 2010 Douglas Harper

## theorem

(thē′ər-əm, thîr′əm)- An idea that is demonstrably true or is assumed to be so.
- A mathematical proposition that has been or is to be proved on the basis of explicit assumptions.

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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

## theorem

[thē′ər-əm, thîr′əm]

- A mathematical statement whose truth can be proved on the basis of a given set of axioms or assumptions.

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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

## theorem

[(thee-uh-ruhm, theer-uhm)]

A statement in mathematics that is not a basic assumption, such as an axiom, but is deduced (see deduction) from basic assumptions.

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The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.