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Step * of Lemma apply-partial-indep

∀[A,B:Type]. ∀[f:partial(A ⟶ B)]. ∀[a:A].  f a ∈ partial(B) supposing value-type(B)
BY
{ (Auto⋅ THEN BLemma `apply-partial` THEN Auto) }

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Latex:

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Latex:
\mforall{}[A,B:Type].  \mforall{}[f:partial(A  {}\mrightarrow{}  B)].  \mforall{}[a:A].    f  a  \mmember{}  partial(B)  supposing  value-type(B)


By

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Latex:
(Auto\mcdot{}  THEN  BLemma  `apply-partial`  THEN  Auto)

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