lean_workbook_plus_38994
Provedif and and then .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_38994 (x y : ℝ) (hx : 0 < x ∧ x < 1) (hy : 0 < y ∧ y < 1) (h : y * (1 - x) > 1 / 4) : y > x := by sorry
Source