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Step * of Lemma ml-maprevappend_wf

∀[T,A:Type]. ∀[f:A ⟶ T].
  ∀[as:A List]. ∀[bs:T List].  (ml-maprevappend(f;as;bs) ∈ T List) supposing valueall-type(T) ∧ valueall-type(A) ∧ A
BY
{ (Auto THEN RWO "ml-maprevappend-sq" 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[T,A:Type].  \mforall{}[f:A  {}\mrightarrow{}  T].
    \mforall{}[as:A  List].  \mforall{}[bs:T  List].    (ml-maprevappend(f;as;bs)  \mmember{}  T  List) 
    supposing  valueall-type(T)  \mwedge{}  valueall-type(A)  \mwedge{}  A


By

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Latex:
(Auto  THEN  RWO  "ml-maprevappend-sq"  0  THEN  Auto)

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