lean_workbook_plus_60042
ProvedPreamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_60042 : ∀ x : ℝ, 0 < x ∧ x < 1 → 0 < 20 * x^3 ∧ 20 * x^3 < 20 * x := by sorry
Source
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_60042 : ∀ x : ℝ, 0 < x ∧ x < 1 → 0 < 20 * x^3 ∧ 20 * x^3 < 20 * x := by sorry