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Step * of Lemma detach_wf

∀[T:Type]. ∀[A:T ⟶ ℙ].  (T-Detach(A) ∈ ℙ)
BY
{ Unfold `detach` 0 THEN Auto }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[A:T  {}\mrightarrow{}  \mBbbP{}].    (T-Detach(A)  \mmember{}  \mBbbP{})


By

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Latex:
Unfold  `detach`  0  THEN  Auto

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