lean_workbook_plus_6672
ProvedIt suffice to show that
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_6672 (y : ℝ) : y^2 * (y^2 - y + 1) + 3 * (y - 1)^2 ≥ 0 := by sorry
Source
It suffice to show that
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_6672 (y : ℝ) : y^2 * (y^2 - y + 1) + 3 * (y - 1)^2 ≥ 0 := by sorry