Dictionary

syllogism

noun syl·lo·gism \ˈsi-lə-ˌji-zəm\

: a formal argument in logic that is formed by two statements and a conclusion which must be true if the two statements are true

Full Definition of SYLLOGISM

1
:  a deductive scheme of a formal argument consisting of a major and a minor premise and a conclusion (as in every virtue is laudable; kindness is a virtue; therefore kindness is laudable)
2
:  a subtle, specious, or crafty argument
3
:  deductive reasoning
syl·lo·gis·tic \ˌsi-lə-ˈjis-tik\ adjective
syl·lo·gis·ti·cal·ly \-ti-k(ə-)lē\ adverb

Examples of SYLLOGISM

  1. An example of a syllogism is: All men are human; all humans are mortal; therefore all men are mortal.

Origin of SYLLOGISM

Middle English silogisme, from Anglo-French sillogisme, from Latin syllogismus, from Greek syllogismos, from syllogizesthai to syllogize, from syn- + logizesthai to calculate, from logos reckoning, word — more at legend
First Known Use: 14th century

Other Logic Terms

a posteriori, connotation, corollary, inference, mutually exclusive, paradox, postulate

Rhymes with SYLLOGISM

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May 30, 2015
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