lean_workbook_plus_7233
ProvedProve that for .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_7233 : ∀ x : ℝ, x ∈ Set.Ioo 0 1 → x * (1 - x) * (x ^ 4 * (x ^ 2 + x + 1) + 1) < 1 := by sorry
Source
Prove that for .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_7233 : ∀ x : ℝ, x ∈ Set.Ioo 0 1 → x * (1 - x) * (x ^ 4 * (x ^ 2 + x + 1) + 1) < 1 := by sorry