{R : Ring} {n : nat} (X : Fin n -> R) : Ideal R. Proof. apply ideal_generated. exact (hfiber X). Defined.
Require Import Basics Types. Require Import Spaces.Finite.Fin. Require Import Classes.interfaces.canonical_names. Require Import Algebra.Rings.Ring. Require Import Algebra.Groups.Subgroup. Require Import Algebra.AbGroups. Require Import WildCat.Core. Module Import Notation.