lean_workbook_plus_40086
ProvedLet be the assertion
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_40086 (f : ℤ → ℤ) (hf: f = fun x ↦ x) : ∀ x y, f (f x + x * f y) = x * y + f x := by sorry
Source
Let be the assertion
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_40086 (f : ℤ → ℤ) (hf: f = fun x ↦ x) : ∀ x y, f (f x + x * f y) = x * y + f x := by sorry