Study Keritot folio 18A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
The Talmud raised an objection to R' Zeira from a baraita: If one consummates a levirate marriage with his yevama and 7 months later she gives birth, there is uncertainty whether the child is 9 months old and is the offspring of the first husband, or whether the child is only 7 months old and is the
The Talmud raised another objection to R' Zeira from a Mishnah (Nidda 14a): If blood was found on her cloth immediately after sex, the woman and her husband are impure for 7 days and are each liable to bring a sin offering. If blood was found on her cloth after time passed, they are both impure due
§ Rav Naḥman says that Rabba bar Avuh says that Rav says: In a case where one had two pieces of fat before him, one of permitted fat and one of forbidden fat, and he ate one of them and he does not know which of them he ate, he is obligated to bring a provisional guilt offering. But if there was o
Rav Naḥman said: What is the reason for the opinion of Rav? He holds that one is liable in the case of two pieces because the prohibition was established, i.e., there was definitely a prohibited piece before him, and nevertheless he proceeded to eat one of them. By contrast, he is exempt in the cas
The Talmud asks: What difference is there between the reasoning for Rav’s opinion given by Rav Naḥman, that one is liable in the case of two pieces because the prohibition was established, and the reasoning given by R' Zeira, that if there is one piece it is impossible to identify its prohibition?