lean_workbook_plus_28143
ProvedPreamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_28143 : ∀ x y z : ℝ, (x ^ 2 + y ^ 2 + z ^ 2) + 3 ≥ 2 * (x + y + z) := by sorry
Source
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_28143 : ∀ x y z : ℝ, (x ^ 2 + y ^ 2 + z ^ 2) + 3 ≥ 2 * (x + y + z) := by sorry