lean_workbook_plus_23227
DisprovedProve
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_23227 : ∀ a b c : ℝ, (1 + a)⁻¹ ^ 3 + (1 + b)⁻¹ ^ 3 + (1 + c)⁻¹ ^ 3 ≥ 3 / (4 * (1 + a * b * c)) := by sorry
Source
Prove
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_23227 : ∀ a b c : ℝ, (1 + a)⁻¹ ^ 3 + (1 + b)⁻¹ ^ 3 + (1 + c)⁻¹ ^ 3 ≥ 3 / (4 * (1 + a * b * c)) := by sorry