Reference for Sanhedrin 117:17

והרי פחות משוה פרוטה התם משום דלאו בני מחילה נינהו:

'That which was given to the sons of Noah but not repeated at Sinai was meant for the Israelites, but not for the heathens.' On the contrary, since it was not repeated at Sinai, should we not assume that it was meant for the Noachides and not for Israel?<span class="x" onmousemove="('comment',' The stand point of this objection is that the code promulgated at Sinai to the Israelites should cancel any previous code not given specifically to them. ');">¹⁵</span>

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