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Step * of Lemma es-interface-image_wf

∀[Info,A,B:Type]. ∀[f:A ⟶ B]. ∀[Ia:EClass(A)].  (f'Ia ∈ EClass(B))
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[Info,A,B:Type].  \mforall{}[f:A  {}\mrightarrow{}  B].  \mforall{}[Ia:EClass(A)].    (f'Ia  \mmember{}  EClass(B))


By

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Latex:
ProveWfLemma

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