g:OMon, a, b:|g|. (a = b)  (a  b) 

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Up	groups 1
Definitions of Statement	gset, goset, a  b
Definitions	t  T, x:A. B(x), t.2, t.1, , gset, POSet{i}, LOSet, goset, a  b, |p|, a  b
Lemmas	omon wf, loset wf, oset of ocmon wf, set leq weakening eq