cop - Metamath Proof Explorer

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Syntax Definition cop 2407

Description: Extend class notation to include ordered pair.

**Hypotheses**
Ref	Expression
cA	class A
cB	class B

**Assertion**
Ref	Expression
cop	class ⟨A, B⟩

See definition df-op 2412 for more information.

Colors of variables: wff set class