lean_workbook_plus_10063
ProvedProve that
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_10063 : ∀ a b c : ℝ, (b - a) ^ 2 + (c - b) ^ 2 + (a - c) ^ 2 ≤ 3 * (a ^ 2 + b ^ 2 + c ^ 2) := by sorry
Source
Prove that
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_10063 : ∀ a b c : ℝ, (b - a) ^ 2 + (c - b) ^ 2 + (a - c) ^ 2 ≤ 3 * (a ^ 2 + b ^ 2 + c ^ 2) := by sorry