Back هموردایی و پادوردایی Persian 공변성과 반공변성 Korean Kowariancja i kontrawariancja Polish Ковариантность и контравариантность Russian Коваріантність і контраваріантність Ukrainian 反变 Chinese
Look up covariance or contravariance in Wiktionary, the free dictionary.
Covariance and contravariance may refer to:
- Covariance and contravariance of vectors, in mathematics and theoretical physics
- Covariance and contravariance of functors, in category theory
- Covariance and contravariance (computer science), whether a type system preserves the ordering ≤ of types
- An informal synonym for invariance (physics)
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