lean_workbook_plus_40413
ProvedProve that
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_40413 (x : ℝ) : x^6 + x^5 + 6 * x^4 + 6 * x^3 + 7 * x^2 + 4 * x + 7 > 0 := by sorry
Source
Prove that
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_40413 (x : ℝ) : x^6 + x^5 + 6 * x^4 + 6 * x^3 + 7 * x^2 + 4 * x + 7 > 0 := by sorry