proposition: Lemma exprn_geometric (R : fieldType) : (@GRing.exp R) = geometric 1.
proof: Proof. by rewrite funeq2E => z n /=; rewrite mul1r. Qed.
imports: mathcomp(all_ssreflect ssralg ssrint ssrnum matrix) mathcomp(interval rat) mathcomp(mathcomp_extra boolp classical_sets functions) mathcomp(set_interval) reals ereal signed topology normedtype landau