lean_workbook_plus_15139
ProvedProve that for all .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_15139 (x : ℝ) : |2 * x| ≤ 1 + x ^ 2 := by sorry
Source
Prove that for all .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_15139 (x : ℝ) : |2 * x| ≤ 1 + x ^ 2 := by sorry