Study Yevamot folio 79B with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
It is related that in the days of R' Yehuda HaNasi the rabbis sought to permit the Gibeonites and treat them like Jews in all regards, thereby allowing them to enter into the congregation. R' Yehuda HaNasi said to them: Even if we permit our share and say that the court nullifies the Jewish people’
The Talmud comments: And R' Yehuda HaNasi disagrees with the teaching of R' Ḥiyya bar Abba. As R' Ḥiyya bar Abba said that R' Yoḥanan said: The share in the enslavement of the Gibeonites that belongs to the congregation of Israel is forbidden forever and can never be permitted. However, with regard
Mishnah: R' Yehoshua said: I heard two rulings from my teachers. One ruling is that a eunuch performs ḥalitza with his yevama, and his brothers perform ḥalitza with his wife, and the other ruling is that a eunuch does not perform ḥalitza with his yevama, and his brothers do not perform ḥalitza with
R' Akiva said: I will explain. A eunuch caused by man, i.e., one who became emasculated after birth, performs ḥalitza with his yevama and his brothers perform ḥalitza with his wife, because he had an hour of fitness, a time when he was fertile. On the other hand, a eunuch by natural causes, i.e.,
R' Eliezer says: No; rather, the opposite is the case: A eunuch by natural causes performs ḥalitza with his yevama and his brothers perform ḥalitza with his wife because he can be cured, whereas a eunuch caused by man does not perform ḥalitza with his yevama and his brothers do not perform ḥalitza