lean_workbook_plus_32247
ProvedDetermine the range of such that .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_32247 (x : ℝ) : x^2 - 4*x >= 0 ↔ x ≤ 0 ∨ x ≥ 4 := by sorry
Source
Determine the range of such that .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_32247 (x : ℝ) : x^2 - 4*x >= 0 ↔ x ≤ 0 ∨ x ≥ 4 := by sorry