lean_workbook_plus_18355
Proved, that was easy
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_18355 (x : ℝ) (f g : ℝ → ℝ) (hf : f x = 1 / x) (hg : g x = -1 / x) : f x + g x = 0 := by sorry
Source
, that was easy
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_18355 (x : ℝ) (f g : ℝ → ℝ) (hf : f x = 1 / x) (hg : g x = -1 / x) : f x + g x = 0 := by sorry