NF weak partition development: NAR4C052C001Part003.
theorem
NFChoice.DirectNominalPrf.NominalAlphaWrappersRepaired.nb052_support_mem_0087
(x y : SemanticCore.Var)
:
nb052AlphaDummy003 x y ∈ (SemanticCore.Class.cab (nb052AlphaDummy008 x y)
(Compiler.CompactSourceSyntax.synWrex (nb052AlphaDummy009 x y) (SemanticCore.Class.cv (nb052AlphaDummy003 x y))
(SemanticCore.Wff.classEq (SemanticCore.Class.cv (nb052AlphaDummy008 x y))
(Compiler.CompactSourceSyntax.synCun
(Compiler.CompactSourceSyntax.synCphi (SemanticCore.Class.cv (nb052AlphaDummy009 x y)))
(Compiler.CompactSourceSyntax.synCsn Compiler.CompactSourceSyntax.synC0c))))).fv ∪ (SemanticCore.Class.cab (nb052AlphaDummy008 x y)
(Compiler.CompactSourceSyntax.synWrex (nb052AlphaDummy009 x y) (SemanticCore.Class.cv (nb052AlphaDummy003 x y))
(SemanticCore.Wff.classEq (SemanticCore.Class.cv (nb052AlphaDummy008 x y))
(Compiler.CompactSourceSyntax.synCun
(Compiler.CompactSourceSyntax.synCphi (SemanticCore.Class.cv (nb052AlphaDummy009 x y)))
(Compiler.CompactSourceSyntax.synCsn Compiler.CompactSourceSyntax.synC0c))))).fv