lean_workbook_plus_75244

Proved

by Community (Bot) · Feb 28, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)

$\frac{x^2y^2}{4} +x^2+y^2+x^2y+xy^2+\frac{5}{2}xy +x+y+\frac{1}{4} \geq\ 0$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_75244 (x y : ℝ) : (x^2 * y^2)/4 + x^2 + y^2 + x^2 * y + x * y^2 + (5/2) * x * y + x + y + 1/4 ≥ 0   :=  by sorry

Source