fact: Definition umEX := (ftE, tfE, eqE, undefE, defE, emptyE, updE, domE, dom_eqE, assocsE, freeE, findE, unionE, empbE, undefbE, ptsE, UM.umapE).
imports: Coq(ssreflect ssrbool ssrfun) mathcomp(ssrnat eqtype seq path bigop) pcm(options prelude finmap seqperm pred seqext) pcm(pcm morphism)