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Syntax Definition wiso 5458
Description: Extend the definition of a wff to include the isomorphism property. (Read:  H is an  R,  S isomorphism of  A onto  B.)
Hypotheses
Ref Expression
cA  class  A
cB  class  B
cR  class  R
cS  class  S
cH  class  H
Assertion
Ref Expression
wiso  wff  H  Isom  R ,  S  ( A ,  B )

See definition df-isom 5466 for more information.

Colors of variables: wff set class
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