lean_workbook_plus_8379
Disprovedsome manipulations:
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_8379 : ∀ t : ℝ, 2 * (t + 1) * (t ^ 2 - t + 1) / (t ^ 2 + 1) ≥ (t + 1) := by sorry
Source
some manipulations:
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_8379 : ∀ t : ℝ, 2 * (t + 1) * (t ^ 2 - t + 1) / (t ^ 2 + 1) ≥ (t + 1) := by sorry