Lemmas for the linear_combination tactic #
These should not be used directly in user code.
theorem
Mathlib.Tactic.LinearCombination.eq_of_add
{α : Type u_1}
{a : α}
{a' : α}
{b : α}
{b' : α}
[Add α]
[IsRightCancelAdd α]
(p : a = b)
(H : a' + b = b' + a)
:
a' = b'