fact: Definition omgP := ((omgidNegMorph, omgidPosMorph, omgPosMorph, omgNegMorph), (omgidPos, omgidNeg, omgPos, omgNeg)).
imports: Coq(ssreflect ssrbool ssrfun) mathcomp(ssrnat eqtype seq) pcm(options prelude pred) pcm(pcm morphism natmap)