Factorial arithmetic identity #45515
DisprovedWorkbookCorrected.plus_45515arithmeticcorrectedelementaryworkbook
The elementary natural-number / rational identity
holds by direct arithmetic evaluation.
Formalization Note: This corrects Lean-Workbook record lean_workbook_plus_45515, 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_45515 (Apache-2.0).
Preamble
import Mathlib.Tactic.NormNum
Formal statement
theorem WorkbookCorrected.plus_45515 : (Nat.factorial 10) / ((Nat.factorial 2) ^ 3) = 45000 := by sorry
Source