English → English - tautology

Pronunciation
n. needless repetition of same idea in different words

English → Spanish - tautology

Pronunciation
s. tautología

English → French - tautology

Pronunciation
n. tautologie, répétition d'une même idée en termes différents

English → German - tautology

Pronunciation
n. Doppleaussage, Tautologie (Bezeichnung einer Sache durch zwei gleichbedeutende Ausdrücke, z.B.: kleiner Zwerg)

English → Indonesian - tautology

Pronunciation
n. ulangan yg tdk berguna

English → Italian - tautology

Pronunciation
s. tautologia (ripetizione innecessaria di un'idea, parola o frase)

English → Polish - tautology

Pronunciation
n. tautologia

English → Portuguese - tautology

Pronunciation
s. tautologia, repetição das mesmas idéias desnecessariamente, duplicidade de expressão supérflua

English → Romanian - tautology

Pronunciation
n. tautologie

English → Russian - tautology

Pronunciation
с. тавтология

English → Turkish - tautology

Pronunciation
i. gereksiz tekrar

English → Ukrainian - tautology

Pronunciation
n. тавтологія

English → Dutch - tautology

Pronunciation
zn. tautologie (onnodige herhaling)

English → Greek - tautology

Pronunciation
ουσ. ταυτολογία

English → Arabic - tautology

Pronunciation
‏حشو، تكرار المعنى‏

English → Chinese - tautology

Pronunciation
(名) 同义反复, 重复

English → Chinese - tautology

Pronunciation
(名) 同義反復, 重復

English → Hindi - tautology

Pronunciation
n. अपनी दोहराना

English → Japanese - tautology

Pronunciation
(名) 類語反復; 不必要に意見を繰り返すこと

English → Korean - tautology

Pronunciation
명. 동의어 반복, 유어 반복, 반복, 동어 반복

English → Vietnamese - tautology

Pronunciation
n. phép lặp lại một ý với nhiều chữ khác

Definition of tautology

Pronunciation
Noun
1. Redundant use of words.
It is tautology to say, "Forward Planning".
2. An expression that features tautology.
The expression "raze to the ground" is a tautology, since the word "raze" includes the notion "to the ground".
3. A statement that is true for all values of its variables.
Given a Boolean A, "A OR (NOT A)" is a tautology.
A logical statement which is neither a tautology nor a contradiction is a contingency.
A tautology can be verified by constructing a truth tree for its negation: if all of the leaf nodes of such truth tree end in X's, then the original (pre-negated) formula is a tautology.
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