fact: Definition mk {d T} x0 nz cond r P : @def d T x0 nz cond := @Def d T x0 nz cond r P.
imports: HB(structures) Coq(ssreflect ssrfun ssrbool) mathcomp(ssrnat eqtype choice order ssralg ssrnum ssrint) mathcomp(mathcomp_extra)