Reference for Bava Kamma 154:13

כלאים שה כתיב ואמר רבא זה בנה אב כל מקום שנאמר שה אינו אלא להוציא את הכלאים

R. Johanan objected to [the view of] Resh Lakish [from the following]: If he stole a hybrid animal and slaughtered it, or a <i>trefa</i> animal and sold it, he would have to make double payment. Now, does not this ruling follow the view of R. Simeon,<span class="x" onmousemove="('comment',' For if otherwise, why not state slaughter also in the case of trefa. ');">¹⁰</span>

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