Study Chullin folio 72B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
The Rabbis explain the rationale behind their opinion: Just as we found in the case of a tereifa that its slaughter renders it ritually pure according to Torah law, i.e., ritual slaughter prevents it from having the ritual impurity of a carcass despite not rendering the animal permitted for consumpt
R' Meir said to them: No, if the slaughter of a tereifa renders the body of the animal ritually pure, it is because the slaughter is performed on something that is part of its body, i.e., its throat. Does it necessarily follow that you should also render the limb that left the womb pure, given th
The Mishnah asks: From where is it derived with regard to a tereifa that its slaughter renders it ritually pure, i.e., prevents it from having the ritual impurity of a carcass? The Mishnah notes there is a reason to say the slaughter should not render it pure, as one can compare a tereifa with a no
The Mishnah questions the comparison: No, if you said that slaughtering cannot prevent an animal from having the ritual impurity of a carcass in the case of a non-kosher animal, which is distinct in that it did not have a period of potential fitness when slaughtering it could have rendered its consu
The Mishnah rejects this distinction: Take back to yourself this claim that you brought, as it is insufficient. What about a case where an animal was born as a tereifa from the womb, and so it never had a period of potential fitness? For such a case, from where is it derived that its slaughter ren