lean_workbook_plus_78541
ProvedProve that .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_78541 {a b c : ℝ} : a ^ 2 + b ^ 2 + c ^ 2 ≥ a * b + b * c + c * a := by sorrySource
Prove that .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_78541 {a b c : ℝ} : a ^ 2 + b ^ 2 + c ^ 2 ≥ a * b + b * c + c * a := by sorry