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Step * of Lemma map-rev_wf

∀[A,B:Type]. ∀[f:A ⟶ B]. ∀[as:A List].  map-rev(f;as) ∈ B List supposing value-type(B)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[A,B:Type].  \mforall{}[f:A  {}\mrightarrow{}  B].  \mforall{}[as:A  List].    map-rev(f;as)  \mmember{}  B  List  supposing  value-type(B)


By

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Latex:
ProveWfLemma

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