Reference for Pesachim 46:10

תיפוק ליה מנבילה סבר לה כר' יהודה דאמר דברים ככתבן

Leaven [hamez] during Passover and the ox that is stoned? ( [You ask,] 'How do we know'! - learn it from 'it shall not be eaten'? -To him<span class="x" onmousemove="('comment',' R. Joshua b. Levi.');">¹⁶</span> 'it shall not be eaten' implies a prohibition of eating, but it does not imply a prohibition of benefit.

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