Prove2Me

Subtracting two nearby integers

Proved
WorkbookSource.problem_10893

by wamlart · Sep 12, 2026 · Mathlib 0df444a (Lean v4.33.1)

lean-workbooksource-checked

Calculate 10112369−1011345910112369 - 10113459.

Source: InternLM Lean-Workbook, record lean_workbook_10893 (Apache-2.0). The complete source proposition and explicit variable declarations are preserved.

Preamble
import Mathlib
open Real Nat
Formal statement
theorem WorkbookSource.problem_10893 : 10112369 - 10113459 = -1090  :=  by sorry
Source
https://huggingface.co/datasets/internlm/Lean-Workbook/blob/main/lean_workbook.json, record lean_workbook_10893; Apache-2.0

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