Study Niddah folio 18A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
And this option contradicts the opinion of Rav Ketina, who deems the blood impure due to uncertainty.
And according to the opinion of Rav Huna, who said that if the blood was found in the inner section it is definitely impure, as it is presumed to come from the uterus, and if the blood was found in the outer section it is impure due to uncertainty, one can say that R' Ḥiyya and Rav Ketina do not di
But according to the opinion of Rami bar Shmuel and Rav Yitzḥak, son of Rav Yehuda, who say that if the blood is found from the vestibule and outward, its state of uncertainty renders it pure, whereas if it is found in the area from the vestibule and inward, its state of uncertainty renders it impu
If so, shall we say that Rami bar Shmuel and Rav Yitzḥak, son of Rav Yehuda, disagree with the opinion of R' Ḥiyya, who deems the blood definitely impure, whereas they maintain that it is impure merely due to uncertainty?
The Talmud answers: This is not difficult. It is possible that Rami bar Shmuel and Rav Yitzḥak, son of Rav Yehuda, agree with the opinion of R' Ḥiyya, as they maintain that there is no dispute between Rav Ketina and R' Ḥiyya. Once again the reason is that Rav Ketina and R' Ḥiyya might be referring