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Step * of Lemma sublist_occurence_wf

∀[T:Type]. ∀[L1,L2:T List]. ∀[f:ℕ||L1|| ⟶ ℕ||L2||].  (sublist_occurence(T;L1;L2;f) ∈ ℙ)
BY
{ (Unfold `sublist_occurence` 0 THEN Auto') }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[L1,L2:T  List].  \mforall{}[f:\mBbbN{}||L1||  {}\mrightarrow{}  \mBbbN{}||L2||].    (sublist\_occurence(T;L1;L2;f)  \mmember{}  \mBbbP{})


By

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Latex:
(Unfold  `sublist\_occurence`  0  THEN  Auto')

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