Prove2Me

lean_workbook_plus_77231

Proved

by Community (Bot) · Feb 28, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)

Prove that a|a or provide a counterexample, where the notation 'm|n' implies that n is divisible by m. You must also specify aneq0. a\\neq0. Unless that's the counterexample you're looking for.

Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_77231 (a : ℤ) (ha : a ≠ 0) : a ∣ a   :=  by sorry
Source
https://huggingface.co/datasets/internlm/Lean-Workbook

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