proposition: Lemma poweRyr r : r != 0%R -> +oo `^ r = +oo.
proof: Proof. by move/negbTE => /= ->. 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