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Step * of Lemma int_hgrp_el_wf

∀[n:ℕ]. (zhgrp(n) ∈ |(<ℤ+>↓hgrp)|)
BY
{ ((Unfold `int_hgrp_el` 0) THEN Auto) }

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Latex:

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Latex:
\mforall{}[n:\mBbbN{}].  (zhgrp(n)  \mmember{}  |(<\mBbbZ{}+>\mdownarrow{}hgrp)|)


By

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Latex:
((Unfold  `int\_hgrp\_el`  0)  THEN  Auto)

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