cec - Metamath Proof Explorer

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Syntax Definition cec 8505

Description: Extend the definition of a class to include equivalence class.

**Hypotheses**
Ref	Expression
cA	class 𝐴
cR	class 𝑅

**Assertion**
Ref	Expression
cec	class [𝐴]𝑅

See definition df-ec 8509 for more information.

Colors of variables: wff setvar class