lean_workbook_plus_3917
ProvedBy the Rearrangement Theorem, prove that .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_3917 (x y z : ℝ) : x ^ 2 + y ^ 2 + z ^ 2 ≥ x * y + y * z + z * x := by sorry
Source
By the Rearrangement Theorem, prove that .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_3917 (x y z : ℝ) : x ^ 2 + y ^ 2 + z ^ 2 ≥ x * y + y * z + z * x := by sorry