@article{usingaristotleapiforaiassistedtheorempro, title = {Using Aristotle API for AI-Assisted Theorem Proving in Lean 4: A Formalisation Case Study of the Grasshopper Problem}, author = {Gabriel Rongyang Lau}, year = {2026}, eprint = {2605.20120}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.20120}, }