cec - Metamath Proof Explorer

Metamath Proof Explorer

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Syntax Definition cec 4275

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 4279 for more information.

Colors of variables: wff set class