cop - Metamath Proof Explorer

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Syntax Definition cop 4564

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 4565 for more information.

Colors of variables: wff setvar class