Study Zevachim folio 105B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
Even if the carcass of a kosher bird has not yet been brought close to being swallowed, it is still not considered as if a necessary action has not yet been performed, and an olive-bulk is sufficient to transmit impurity to food and drink.
R' Ḥiyya bar Abba raised an objection to R' Abba bar Shmuel, based on a Mishnah (Teharot 1:1): 13 matters were stated with regard to the carcass of a kosher bird, and this is one of them: In order to be susceptible to impurity as a food, it requires a person’s intention that it be eaten; and it doe
The Talmud responds: No, the Mishnah is the opinion of the Rabbis.
The Talmud challenges: But the first clause of that Mishnah teaches: In order to be susceptible to impurity as a food, it requires a person’s intention that it be eaten and it does not need to be rendered susceptible by contact with liquid. And from whom do you learn this reasoning? From R' Meir,
The Talmud responds: Are the cases comparable? Must both clauses be the opinion of the same tanna? This case is as it is, and that case is as it is.