Study Yevamot folio 43B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
The Talmud asks: But does R' Yosei not accept that there is a decree to wait 3 months in order to distinguish between the seed of the first and second husbands? According to the Talmud’s emendation of his statement, it would appear there is no case in which R' Yosei applies the decree.
The Talmud answers: Indeed, he does not accept the decree. And if you wish, say that actually, he does accept the decree and applies it in the case of a married woman who was divorced. And with regard to the challenge to his opinion from the a fortiori inference, emend the Mishnah and say: R' Yosei
The Talmud asks: If so, then this opinion of R' Yosei is identical to the opinion of R' Yehuda. What difference is there between them? The Talmud answers: There is a practical difference between them in the case of a woman who was married to her previous husband and seeks to be betrothed. R' Yehud
The Talmud asks: But does R' Yosei really hold that it is prohibited to betroth a woman who was married to her previous husband without first waiting 3 months? Isn’t it taught in a baraita: R' Yosei says that all women may be betrothed without waiting except for a widow, due to the mourning period s
The Talmud clarifies the question: What difficulty does this baraita pose? If we say that the baraita teaches: R' Yosei says that all women may be betrothed without waiting, is the baraita stronger than the Mishnah that was established as teaching that women who were only betrothed to their previous