cof - Metamath Proof Explorer

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Syntax Definition cof 7540

Description: Extend class notation to include mapping of an operation to a function operation.

**Hypothesis**
Ref	Expression
cR	class 𝑅

**Assertion**
Ref	Expression
cof	class ∘_f 𝑅

See definition df-of 7542 for more information.

Colors of variables: wff setvar class