Prove2Me

lean_workbook_plus_33373

Proved

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

S1 : f(x)=x+1 ∀x∈Z\boxed{\text{S1 : }f(x)=x+1\text{ }\forall x\in\mathbb Z} which indeed is a solution

Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_33373 : ∃ f : ℤ → ℤ, ∀ x, f x = x + 1   :=  by sorry
Source
https://huggingface.co/datasets/internlm/Lean-Workbook

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