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f l=map(filterl=filter(\n->not$any>all(\m->m>n&&all>m<=n||any(\s->notElem n s||elem m(&&).elem sn<*>all(/=m)l)$concat l)$l>>=id)l<$>l
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-10 bytes thanks to Wheat Wizard
f l=map(filter(\n->not$any(\m->m>n&&all(\s->notElem n s||elem m s)l)$concat l))l
Try it Online!
f l=filter(\n->all(\m->m<=n||any((&&).elem n<*>all(/=m))l)$l>>=id)<$>l
