Elementary arithmetic identity #17254
ProvedWorkbookCorrected.plus_17254arithmeticcorrectedelementaryworkbook
The elementary natural-number / rational identity
holds by direct arithmetic evaluation.
Formalization Note: This corrects Lean-Workbook record lean_workbook_plus_17254, which omitted a compilable colon/type annotation and/or used a preamble of only Mathlib.Analysis.Complex.Basic.
Source: InternLM Lean-Workbook, record lean_workbook_plus_17254 (Apache-2.0).
Preamble
import Mathlib.Tactic.NormNum
Formal statement
theorem WorkbookCorrected.plus_17254 : 1 + 30 + 150 + 200 + 75 + 6 = 462 := by sorry
Source