lean_workbook_plus_66511
Disproved.
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_66511 : ∀ a b c : ℝ, (1 - a) * (1 - b) * (1 - c) + (1 + a) * (1 + b) * (1 + c) ≥ 0 := by sorry
Source
.
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_66511 : ∀ a b c : ℝ, (1 - a) * (1 - b) * (1 - c) + (1 + a) * (1 + b) * (1 + c) ≥ 0 := by sorry