occams razor

Occam's razor

the maxim that assumptions introduced to explain a thing must not be multiplied beyond necessity.

1900–05; after William of Occam

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World English Dictionary
Occam's razor
a variant spelling of Ockham's razor

Ockham's razor or Occam's razor
Also called: the principle of economy a maxim, attributed to William of Ockham, stating that in explaining something assumptions must not be needlessly multiplied
Occam's razor or Occam's razor

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

Occam's razor
when two competing hypotheses explain the data equally well, choose the simpler. Named for Eng. philosopher William of Ockham (c.1285-c.1349).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
Occam's razor or Ockham's razor   (ŏk'əmz)  Pronunciation Key 
A rule in science and philosophy stating that entities should not be multiplied needlessly. This rule is interpreted to mean that the simplest of two or more competing theories is preferable and that an explanation for unknown phenomena should first be attempted in terms of what is already known. Occam's razor is named after the deviser of the rule, English philosopher and theologian William of Ockham (1285?-1349?).
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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