lean_workbook_plus_21277
ProvedProve that for all .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_21277 (f : ℝ → ℝ) (hf : ∀ a, f a + f (-a) = 0) : ∀ a, f a = -f (-a) := by sorry
Source
Prove that for all .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_21277 (f : ℝ → ℝ) (hf : ∀ a, f a + f (-a) = 0) : ∀ a, f a = -f (-a) := by sorry