Reference for Zevachim 53:12

אלא לרבי יוחנן מאי אין בו כרת קשיא

As for Resh Lakish, it is well: he rightly teaches. IT IS UNFIT, BUT DOES NOT INVOLVE KARETH.<span class="x" onmousemove="('comment',' He explains the Mishnah as referring to one who expressed an illegitimate intention. Therefore the Tanna must teach that kareth is not incurred in spite of this illegitimate intention.');">¹⁶</span>

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