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Step * of Lemma interleaving_wf

∀[T:Type]. ∀[L1,L2,L:T List].  (interleaving(T;L1;L2;L) ∈ ℙ)
BY
{ (Unfold `interleaving` 0 THEN Auto') }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[L1,L2,L:T  List].    (interleaving(T;L1;L2;L)  \mmember{}  \mBbbP{})


By

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Latex:
(Unfold  `interleaving`  0  THEN  Auto')

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