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Step * of Lemma id-fun-set

∀[A:Type]. ∀[P:A ⟶ ℙ]. ∀[f:id-fun(A)].  (f ∈ id-fun({a:A| P[a]} ))
BY
{ (Auto THEN DoSubsume THEN Auto) }

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Latex:

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Latex:
\mforall{}[A:Type].  \mforall{}[P:A  {}\mrightarrow{}  \mBbbP{}].  \mforall{}[f:id-fun(A)].    (f  \mmember{}  id-fun(\{a:A|  P[a]\}  ))


By

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Latex:
(Auto  THEN  DoSubsume  THEN  Auto)

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