Rambam Introduction to the Mishnah Section 10
Can copy this into an AI, or connect the whole library to your assistant. For deeper learning, you can directly use the original seforim, sites, and apps.
החלק השני הם הדינים שנאמר בהן הלכה למשה מסיני ואין ראיות עליהם כמו שזכרנו וזה כמו כן אין חולק עליו:
Rambam Introduction to the Mishnah, translation by Rabbi Francis Nataf, 2017
The second division are the laws about which it is said, a 'law of Moshe from Sinai.' And there are no proofs about them as we have mentioned. Likewise here, none disagree with [such a law].