lean_workbook_plus_74095
OpenProve that
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_74095 (n : ℕ) (a : ℕ → ℝ) : 4 * ∑ i in Finset.range n, (a i - 1 / 2)^2 ≥ 0 := by sorry
Source
Prove that
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_74095 (n : ℕ) (a : ℕ → ℝ) : 4 * ∑ i in Finset.range n, (a i - 1 / 2)^2 ≥ 0 := by sorry