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Step * of Lemma nc-e_wf

∀[I:fset(ℕ)]. ∀[i,j:ℕ].  (e(i;j) ∈ I+j ⟶ 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,j:\mBbbN{}].    (e(i;j)  \mmember{}  I+j  {}\mrightarrow{}  I+i)


By

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

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