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Step * of Lemma single-valued-class-except_wf

∀[f:Name ⟶ Type]. ∀[hdrs:Name List]. ∀[X:EClass(Interface)].  (single-valued-class-except{i:l}(f;hdrs;X) ∈ ℙ')
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[f:Name  {}\mrightarrow{}  Type].  \mforall{}[hdrs:Name  List].  \mforall{}[X:EClass(Interface)].
    (single-valued-class-except\{i:l\}(f;hdrs;X)  \mmember{}  \mBbbP{}')


By

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Latex:
ProveWfLemma

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