lean_workbook_plus_23023
DisprovedProve .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_23023 : ∀ a b c : ℝ, (a+b+c)^2 ≥ 3*(a^2+b^2+c^2) := by sorry
Source
Prove .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_23023 : ∀ a b c : ℝ, (a+b+c)^2 ≥ 3*(a^2+b^2+c^2) := by sorry