wrel - Metamath Proof Explorer

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Syntax Definition wrel 5585

Description: Extend the definition of a wff to include the relation predicate. Read: "𝐴 is a relation".

**Hypothesis**
Ref	Expression
cA	class 𝐴

**Assertion**
Ref	Expression
wrel	wff Rel 𝐴

See definition df-rel 5587 for more information.

Colors of variables: wff setvar class