Kollel Iyun Hadaf, Jerusalem
1) Rav says that we only ascribe the bloodstain to the gentile woman who borrowed the vest if we actually know that she has already seen blood, but not otherwise.
(a) What objection does Rav Sheishes raise from the Beraisa of 'Toleh be'Nochris'?The Gemara changes the Tana Kama of the Beraisa to read 've'Hi she'Ro'ah.
(b) What forces the Gemara to make such a change?2) According to Rabban Shimon ben Gamliel, we will ascribe the bloodstain to a 'Shomeres Yom ke'Neged Yom' on her second day of sighting, and to woman who is counting her seven clean days.
(a) What is Rabban Shimon ben Gamliel's reason?They both agree that we ascribe the bloodstain to a *Shomeres Yom ke'Neged Yom* on her *first* day of sighting.
(a) What is the problem with the 'Lefichach' of Rabban Shimon ben Gamliel?4) Rav Chisda says that, if a Tamei and a Tahor person walked down two paths, one of which was Tamei, and the other Tahor, we have arrived at the Machlokes between Rebbi and Rabban Shimon ben Gamliel.
(a) What does he mean?5) The Gemara asks whether a woman who, after lending her vest to a woman who became Temei'ah through a bloodstain, and getting it back, finds a bloodstain on it, may ascribe that bloodstain to the woman who borrowed it.
(a) Why will this Sha'aleh not go according to Rebbi?6) The Gemara asks on this ruling from a Beraisa, which first writes that one cannot ascribe a bloodstain to a woman who had a bloodstain, and then writes that one can. The Gemara answers this discrepancy by saying that the Reisha is Rebbi and the Seifa, Rabban Shimon ben Gamliel.
(a) Which other two answers does the Gemara give, and why, according to at least two out of the three answers, does this leave us with a Kashya on the previous ruling?7)
(a) What does Rebbi Nechemyah learn from the Pasuk in Yeshayah "ve'Niksa la'Aretz Teishev"?Rav Huna quoting Rav Chanina says that Rebbi Nechemyah declares her Tehorah even if the bloodstain on the back of an earthenware vessel.
(b) What is the Chidush?8) If two women are grinding with a hand-mill, and blood is found under the inner one, they are both Temei'os; whereas if blood is found under the outer one, only the outer one is Temei'ah, and not the inner one.
(a) Why the difference?The Beraisa concludes with an incident in which blood was found on the edge of bath and on an olive leaf, whilst two women were heating the oven, and both women were declared Temei'os.
(b) Why does that present a problem with Rav, who is quoted as ruling like Rebbi Nechemyah?9)
(a) If blood is found underneath one of three women who are sleeping in the same bed, who is Temei'ah?10)
(a) What will be the Din, if one of the women examined herself and discovered that she was Temei'ah?Rav Yehudah Amar Rav explains that this speaks when the woman examined herself immediately. Rav holds like Bar Pada.
(b) What does this mean?11)
(a) What Mashal does Rebbi Yirmiyah give to illustrate Rebbi Oshaya's Din?