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Syntax Definition wiso 4846
Description: Extend the definition of a wff to include the isomorphism property. (Read:  H is an  R,  S isomorphism of onto .)
Hypotheses
Ref Expression
cA
cB
cR  R
cS  S
cH  H
Assertion
Ref Expression
wiso  H  Isom  R ,  S  ,

See definition df-isom 4854 for more information.

Colors of variables: wff set class
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