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Step * of Lemma nh-id_wf

∀[I:fset(ℕ)]. (1 ∈ I ⟶ I)
BY
{ (Unfold `names-hom` 0 THEN ProveWfLemma) }

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Latex:

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Latex:
\mforall{}[I:fset(\mBbbN{})].  (1  \mmember{}  I  {}\mrightarrow{}  I)


By

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

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