fact: Definition T1leOrderMixin : leOrderMixin T1Choice := LeOrderMixin T1ltE T1minE T1maxE T1le_asym T1le_trans T1le_total.
imports: mathcomp(all_ssreflect zify) Coq(Logic.Eqdep_dec) hydras(DecPreOrder ON_Generic T1 E0) gaia_hydras(T1Bridge)