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Syntax Definition whe 37086
Description: The property of relation 𝑅 being hereditary in class 𝐴.
Ref Expression
cA class 𝐴
cR class 𝑅
Ref Expression
whe wff 𝑅 hereditary 𝐴

See definition df-he 37087 for more information.

Colors of variables: wff setvar class
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