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Step * 1 2 1 of Lemma one_ideal_wf


1. r : CRng
⊢ λu.True SubGrp of r↓+gp
BY
{ ((Unfold `subgrp_p` 0 THEN Reduce 0) THEN Auto) }

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Latex:

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Latex:

1.  r  :  CRng
\mvdash{}  \mlambda{}u.True  SubGrp  of  r\mdownarrow{}+gp


By

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Latex:
((Unfold  `subgrp\_p`  0  THEN  Reduce  0)  THEN  Auto)

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