lean_workbook_plus_28517
ProvedFor any we know that
Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_28517 (a b : ℝ) : |a + b| ≤ |a| + |b| := by sorry
Source
For any we know that
import Mathlib.Analysis.Complex.Basic
theorem lean_workbook_plus_28517 (a b : ℝ) : |a + b| ≤ |a| + |b| := by sorry