Theorem: IMOSL.Extra.CharTwo.add_eq_zero_iff_eq (IMOSLLean4/Extra/CharTwo/Defs.lean)

State before:
M : Type u_1
inst✝¹ : AddMonoid M
inst✝ : CharTwo M
x y : M
⊢ x + y = 0 ↔ x = y
Tactic:
rw [add_eq_iff_eq_add, zero_add]
State after:
no goals