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Step * of Lemma nc-r_wf

∀[I:fset(ℕ)]. ∀[i:ℕ].  r_i ∈ I ⟶ I supposing i ∈ I
BY
{ (Unfold `names-hom` 0 THEN ProveWfLemma) }

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Latex:

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Latex:
\mforall{}[I:fset(\mBbbN{})].  \mforall{}[i:\mBbbN{}].    r\_i  \mmember{}  I  {}\mrightarrow{}  I  supposing  i  \mmember{}  I


By

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Latex:
(Unfold  `names-hom`  0  THEN  ProveWfLemma)

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