lean_workbook_plus_9757
ProvedObserve : the required function is .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_9757 (x : ℝ) (f : ℝ → ℝ) (hf: f x = 2 * x) : f x = 2 * x := by sorry
Source
Observe : the required function is .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_9757 (x : ℝ) (f : ℝ → ℝ) (hf: f x = 2 * x) : f x = 2 * x := by sorry