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Syntax Definition wrel 5043
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 5045 for more information.

Colors of variables: wff setvar class
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