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Step * of Lemma l_all_wf2

∀[T:Type]. ∀[L:T List]. ∀[P:{x:T| (x ∈ L)}  ⟶ ℙ].  ((∀x∈L.P[x]) ∈ ℙ)
BY
{ (Unfold `l_all` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[L:T  List].  \mforall{}[P:\{x:T|  (x  \mmember{}  L)\}    {}\mrightarrow{}  \mBbbP{}].    ((\mforall{}x\mmember{}L.P[x])  \mmember{}  \mBbbP{})


By

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Latex:
(Unfold  `l\_all`  0  THEN  Auto)

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