cofr - Metamath Proof Explorer

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Syntax Definition cofr 7541

Description: Extend class notation to include mapping of a binary relation to a function relation.

**Hypothesis**
Ref	Expression
cR	class 𝑅

**Assertion**
Ref	Expression
cofr	class ∘_r 𝑅

See definition df-ofr 7543 for more information.

Colors of variables: wff setvar class