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Step * of Lemma mapcons_wf

∀[A,B:Type]. ∀[f:A ⟶ (A List) ⟶ B]. ∀[l:A List].  (mapcons(f;l) ∈ B List)
BY
{ (InductionOnList THEN Reduce 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[A,B:Type].  \mforall{}[f:A  {}\mrightarrow{}  (A  List)  {}\mrightarrow{}  B].  \mforall{}[l:A  List].    (mapcons(f;l)  \mmember{}  B  List)


By

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Latex:
(InductionOnList  THEN  Reduce  0  THEN  Auto)

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