Definition of Tautology in English :

Define Tautology in English

Tautology meaning in English

Meaning of Tautology in English

Pronunciation of Tautology in English

Tautology pronunciation in English

Pronounce Tautology in English

Tautology

see synonyms of tautology

Noun

1. tautology

(logic) a statement that is necessarily true

Example Sentences:
'the statement he is brave or he is not brave' is a tautology'

2. tautology

useless repetition

Example Sentences:
'to say that something is adequate enough' is a tautology'

WordNet Lexical Database for English. Princeton University. 2010.


Tautology

see synonyms of tautology
noun plural -gies
1. 
the use of words that merely repeat elements of the meaning already conveyed, as in the sentence Will these supplies be adequate enough? in place of Will these supplies be adequate?
2. logic
a statement that is always true, esp a truth-functional expression that takes the value true for all combinations of values of its components, as in either the sun is out or the sun is not out
Compare inconsistency (sense 3), contingency (sense 5)

Collins English Dictionary. Copyright © HarperCollins Publishers


Tautology

see synonyms of tautology
nounWord forms: plural tauˈtologies
1. 
a. 
needless repetition of an idea in a different word, phrase, or sentence; redundancy; pleonasm (Ex.: “necessary essentials”)
b. 
an instance of such repetition
2.  Logic
a proposition that is analytic (sense 5)

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


Tautology

see synonyms of tautology
n. pl. tau·tol·o·gies
1.
a. Needless repetition of the same sense in different words; redundancy.
b. An instance of such repetition.
2. Logic A statement composed of simpler statements in such a way that it is logically true whether the simpler statements are factually true or false; for example, the statement Either it will rain tomorrow or it will not rain tomorrow.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.