BIJECTIVE

Adjective

bijective (not comparable)

(mathematics, of a map) Both injective and surjective.

(mathematics) Having a component that is (specified to be) a bijective map; that specifies a bijective map.

Usage notes

• If a bijective map exists from one set to another, the reverse is necessarily true, and the sets are said to be in bijective (also one-to-one) correspondence.

• A bijective map is often called a bijection.

• A bijective map from a set (usually, but not exclusively, a finite set) to itself may be called a permutation.

Source: Wiktionary

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