cxp - Metamath Proof Explorer

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Syntax Definition cxp 5683

Description: Extend the definition of a class to include the Cartesian product.

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

**Assertion**
Ref	Expression
cxp	class (𝐴 × 𝐵)

See definition df-xp 5691 for more information.

Colors of variables: wff setvar class