lean_workbook_plus_22412
ProvedProve that for all real numbers , .
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_22412 (x : ℝ) : x ^ 4 - x ^ 3 + x ^ 2 - x + 21 / 64 > 0 := by sorry
Source
Prove that for all real numbers , .
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_22412 (x : ℝ) : x ^ 4 - x ^ 3 + x ^ 2 - x + 21 / 64 > 0 := by sorry