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Step * of Lemma inv_perm_wf

∀T:Type. ∀p:Perm(T).  (inv_perm(p) ∈ Perm(T))
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1
1. T : Type
2. p : Perm(T)
⊢ inv_perm(p) ∈ Perm(T)

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Latex:

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Latex:
\mforall{}T:Type.  \mforall{}p:Perm(T).    (inv\_perm(p)  \mmember{}  Perm(T))


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Latex:
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