lean_workbook_plus_5905
DisprovedProve
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_5905 : ∀ a b c : ℝ, a ^ 3 + b ^ 3 + c ^ 3 ≥ c * (a ^ 2 + a * b + b ^ 2) := by sorry
Source
Prove
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_5905 : ∀ a b c : ℝ, a ^ 3 + b ^ 3 + c ^ 3 ≥ c * (a ^ 2 + a * b + b ^ 2) := by sorry