different between contradiction vs variance

English

Etymology

Borrowed from Old French contradiction, from Latin contr?dicti?, from contr?d?c? (“speak against”).

Pronunciation

• (Received Pronunciation) IPA^(key): /?k?nt???d?k??n/
• (General American) IPA^(key): /?k??nt???d?k??n/
• Rhymes: -?k??n

Noun

contradiction (countable and uncountable, plural contradictions)

1. (countable, uncountable) The act of contradicting.

   His contradiction of the proposal was very interesting.

2. (countable) A statement that contradicts itself, i.e., a statement that claims that the same thing is true and that it is false at the same time and in the same senses of the terms.

   There is a contradiction in Clarence Page's statement that a woman should have the right to choose and decide for herself whether to have an abortion and at the same time she should not have that right.

   There is a contradiction in what you say: she can't be both married and single.

3. (countable) A logical inconsistency among two or more elements or propositions.

   Marx believed that the contradictions of capitalism would lead to socialism.

4. (logic, countable) A proposition that is false for all values of its propositional variables or Boolean atoms.

Synonyms

• (statement that contradicts itself): oxymoron
• (proposition that is false for all values of its variables): ?, ??, ?, ?, ?

Antonyms

• (proposition that is false for all values of its variables): tautology

Coordinate terms

• (proposition that is false for all values of its variables): contingency, tautology

Related terms

• contradict
• contradictory
• self-contradiction

Translations

French

Etymology

Borrowed from Latin contradictio, contradictionem.

Pronunciation

• IPA^(key): /k??.t?a.dik.sj??/

Noun

contradiction f (plural contradictions)

1. contradiction (clarification of this definition is needed)

Derived terms

• esprit de contradiction

Related terms

• contradictoire
• contredire

Further reading

• “contradiction” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

English

Alternative forms

• variaunce (obsolete)
• var (abbreviation)

Etymology

From Middle English variance, variaunce, from Old French variance or directly from Anglo-Latin variaunce, veriaunce, wariaunce; all from Latin variantia.

Pronunciation

• (UK) IPA^(key): /?v???i.?ns/
• (US) IPA^(key): /?væ?i.?nts/ (Mary–marry–merry distinction)
• (US) IPA^(key): /?v??i.?nts/ (Mary–marry–merry merger)

Noun

variance (countable and uncountable, plural variances)

1. The act of varying or the state of being variable.
2. A difference between what is expected and what is observed; deviation.
3. The state of differing or being in conflict.
4. An official permit to do something that is ordinarily forbidden by regulations.
5. (law) A discrepancy between two legal documents.
6. (law) A departure from a cause of action originally in a complaint.
8. (statistics) The second central moment in probability.
9. (physics, chemistry, biology) The number of degrees of freedom in a system.
10. (computing, programming) Covariance and contravariance generally.

    Depending on the variance of the type constructor, the subtyping relation of the simple types may be either preserved, reversed, or ignored for the respective complex types.

Derived terms

Translations

French

Etymology

From Latin variantia.

Pronunciation

• IPA^(key): /va.?j??s/
• Rhymes: -??s

Noun

variance f (plural variances)

1. variance

Further reading

• “variance” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).