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Step * of Lemma integ_dom_p_wf

∀[r:CRng]. (IsIntegDom(r) ∈ ℙ)
BY
{ Unfold `integ_dom_p` 0 THEN Auto }

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Latex:

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Latex:
\mforall{}[r:CRng].  (IsIntegDom(r)  \mmember{}  \mBbbP{})


By

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Latex:
Unfold  `integ\_dom\_p`  0  THEN  Auto

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