proposition: Lemma poweR1r r : 1 `^ r = 1.
proof: Proof. by rewrite poweR_EFin powR1. Qed.
imports: mathcomp(all_ssreflect ssralg ssrint ssrnum matrix) mathcomp(interval rat) mathcomp(boolp classical_sets functions) mathcomp(mathcomp_extra) reals ereal signed topology normedtype landau sequences derive realfun itv convex