Ring_is_Ideal_of_Itself
Provedidealsproofwikirings
Let (R, +, *) be a ring. Then R is an ideal of R.
Preamble
import Mathlib.RingTheory.Ideal.Basic
Formal statement
theorem Ring_is_Ideal_of_Itself {R : Type _} [Ring R] : (⊤ : Ideal R) = ⊤ := by sorrySource