Study Yevamot folio 13A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
§ And Rav Zevid said: There are no children without signs of puberty. In other words, if a girl gives birth, she definitely possesses the signs of puberty. The Talmud asks: But if so, let us examine to see whether these physical signs are present, so that there is no need to depend on a presumption.
However, according to the one who said that if there are in fact hairs they will certainly be found, and we are not concerned that they may have fallen out, what is there to say? The Talmud answers: Even according to the one who said that in ordinary circumstances we are not concerned that the hair
§ The Talmud returns to the Mishnah: How do they exempt their rival wives and the rival wives of their rival wives? The Talmud asks: From where are these matters, that not only is a rival wife exempt but the rival wife of a rival wife is exempt as well, derived? Rav Yehuda said that this is as the
Rav Ashi said: It is a logical inference, which does not require a source from the Torah. What is the reason that a rival wife of a forbidden relative is prohibited? The reason is that she stands in place of a forbidden relative. Since the forbidden relative caused her exemption from levirate mar
§ The Mishnah taught: How so? If the forbidden relative died, performed refusal, or was divorced, from that moment onward their rival wives are no longer considered the rival wives of a forbidden relative and are permitted. The Talmud remarks: This legal ruling with regard to a divorce is presented