lean_workbook_plus_49848
ProvedLet be a function such that for all . Prove that .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_49848 (f : ℝ → ℝ) (hf : ∀ x, ‖f x‖ ≤ x^2) : f 0 = 0 := by sorry
Source
Let be a function such that for all . Prove that .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_49848 (f : ℝ → ℝ) (hf : ∀ x, ‖f x‖ ≤ x^2) : f 0 = 0 := by sorry