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Step * of Lemma inv_funs_wf

∀[A,B:Type]. ∀[f:A ⟶ B]. ∀[g:B ⟶ A].  (InvFuns(A;B;f;g) ∈ ℙ)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[A,B:Type].  \mforall{}[f:A  {}\mrightarrow{}  B].  \mforall{}[g:B  {}\mrightarrow{}  A].    (InvFuns(A;B;f;g)  \mmember{}  \mBbbP{})


By

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Latex:
ProveWfLemma

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