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Syntax Definition wiso 4782
Description: Extend the definition of a wff to include the isomorphism property. (Read: H is an R, S isomorphism of A onto B.)
Ref Expression
cA class A
cB class B
cR class R
cS class S
cH class H
Ref Expression
wiso wff H Isom R, S (A, B)

See definition df-iso 4796 for more information.

Colors of variables: wff setvar class
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