Prepared by Rabbi Eliezer Chrysler
of Kollel Iyun Hadaf, Yerushalayim

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Mishnah 1

(a) In how much does a Sa'ah of Terumah, Terumas Ma'aser (even) of Demai, Chalah and Bikurim become Batel?
(b) The source for all of these is the Pasuk in Korach (in connection with Terumas Ma'aser) "es Mikd'sho Mimenu". How does the Tana learn it from there?
(c) Why did the Tana not include Terumah of Demai?

(a) What will be the Din if a mixture of all of the above falls into less than a hundred Sa'ah of Chulin?
(b) Why is that?
(c) Seeing as, if one Sa'ah of the above is Batel in a hundred, why is the owner nevertheless obligated to remove one Sa'ah from the hundred and one?

(a) In how much does one Sa'ah of Orlah and K'lai ha'Kerem become Batel?
(b) What do we learn from the 'Gezeirah-Shavah' "Mele'ascha ve'Dim'acha Lo Se'acher" (Mishpatim, in connection with Terumah) "Pen Tikdash ha'Me'le'ah" (Ki Seitzei, in connection with K'lai ha'Kerem)?
(c) From where do we then learn that it becomes Batel only in two hundred?
(d) If one Sa'ah of Orlah falls into two hundred of Heter and becomes Batel, why does the Tana not add 've'Tzarich Leharim', like he did in the Reisha?

(a) The Tana Kama forbids a combined (see Tos. Yom-Tov) Sa'ah of Orlah and K'lai ha'Kerem (that is dry) that fell into less than two hundred Sa'ah of Heter. How will the Din differ if it was liquid?
(b) What does R. Shimon say?
(c) R. Eliezer says 'Mitztarfin be'Nosen Ta'am' (like the Tana Kama). What does he mean by that?
(d) Like whom is the Halachah?

Mishnah 2

(a) What does the Tana mean when he says that Terumah renders Orlah Batel?
(b) What is the case?
(c) When the Tana says that one Sa'ah of Terumah fell into a hundred Sa'ah of Chulin, why can he not mean this literally?
(d) Then what does he mean?

(a) Similarly, Orlah or K'lai ha'Kerem render Terumah Batel. What is the case?
(b) What is the problem with this case? Why must the author be Rebbi Yehoshua?
(c) How would we have to establish it to conform with R. Eliezer, like whom the Halachah is?

Mishnah 3

(a) What does the Tana say about Orlah being Mevatel Kil'ayim, and vice-versa?
(b) What does the Tana then mean when he adds that Orlah is Mevatel Orlah?
(c) What is the case where Orlah is Mevatel Orlah or Kil'ayim, and vice-versa?
(d) Having presented a case of Orlah Mevatel Orlah, why does the Mishnah not present one of Kil'ayim Mevatel Kil'ayim?

Mishnah 4

(a) The Mishnah now discusses 'Kol ha'Mechametz, ha'Metavel ve'ha'Medamei'. What do they three terms mean?
(b) The Tana concludes 'bi'Terumah, u've'Orlah u'vi'Kelai ha'Kerem'. Which of the above acts pertains to which of these three things?
(c) What does Beis Shamai mean when he says 'Af Metamei'?
(d) What do Beis Hillel say?

Mishnah 5

(a) Whose Talmid was Dustai from the village of K'far Yasma?
(b) What did he testify in the name of his Rebbes?

Mishnah 6

(a) In which case do the Chachamim go le'Chumra exclusively with regard to Mechametz, Metavel and Medamei?
(b) What do they say about Min be'she'Eino Mino?
(c) In a case where a yeast of wheat fall into a dough of wheat, what Chumra did they say assuming ...
1. ... the former is sufficient to affect the latter?
2. ... the latter does not comprise a hundred times than the former?

Mishnah 7

(a) In a case where beans of Terumah are cooked together with lentils, what will be the Din assuming the latter ...
1. ... give taste to the former? Which stringency will then apply ?
2. ... do not give taste to the former? Which leniency will then apply?
(b) What is the reason for this leniency (see Tos. Yom-Tov)?
(c) What would be the Din if this Mishnah was discussing yeast of Terumah that fell into a dough?
(d) Then why did the Tana switch to beans and lentils?

Mishnah 8 & 9

(a) What does the Tana Kama say regarding a yeast of Terumah or K'lai ha'Kerem that falls into a dough, after a yeast of Chulin (comprising sufficient to cause it to rise) fell into it ...
1. ... but before the dough actually rose?
2. ... after the dough had already risen?
(b) With which ruling does R. Shimon disagree? Why is that?
(c) Why does the Tana Kama forbid it nonetheless?
(d) Like whom is the Halachah?

Mishnah 10

(a) What does the Mishnah rule in a case where three ...
1. ... of the same spice (peppers say), but of three different Isurim (one of Orlah, one of Asheirah and one of Terumah) fall into a pot of Heter Chulin?
2. ... different spices of the same Isur fall into a pot of Heter Chulin?
(b) Why does the Tana say 'Asur u'Mitztarfin' (see Tos. Yom-Tov)?
(c) What does R. Shimon say?

Mishnah 11

(a) In a case where two yeasts, one of Chulin and one of Terumah (neither of which is able to cause the dough to rise on its own) fall into a dough and cause it to rise, R. Eliezer goes after the one that fell last. Assuming that the yeast of Chulin fell in last, under which circumstances does he permits the dough?
(b) What is his reason?
(c) What do the Chachamim then say?
(d) Like whom is the Halachah?

Mishnah 12

(a) Yo'ezer Ish ha'Birah asked Raban Gamliel ha'Zaken what the Din will be in the previous case. Who was Yo'ezer Ish ha'Birah?
(b) Where was Raban Gamliel standing at the time?
(c) What is remarkable about the fact that he asked Raban Gamliel (see Tos. Yom-Tov)?
(d) What did the latter reply?

Mishnah 13

(a) The Mishnah now discusses leather vessels that were anointed first with Tamei oil and with Tahor oil, or vice-versa. What is the process?
(b) What does R. Eliezer then mean when he says that he goes after the first one?
(c) What do the Chachamim say?

Mishnah 14 & 15

(a) In a case where a yeast comprising Terumah and K'lai ha'Kerem (neither of which would have affected the dough) fell into a Chulin dough and caused it to rise, the Tana Kama forbids the dough to Zarim. Why is that?
(b) And on what grounds do they then Kohanim to eat it?
(c) What does R. Shimon say? Why is that?
(d) What do the Chachamim and R. Shimon respectively, say in a case where a mixture of spices of Terumah and K'lai ha'Kerem fell into a pot containing Chulin and gave taste to the food?

Mishnah 16

(a) What does the Tana Kama say about a piece of Kodshei Kodshim, and one of Pigul or Nosar (or Tamei [see Tos. Yom-Tov]) that fell into pieces of Chulin or of Kodshim Kalim (see Tiferes Yisrael), assuming that the latter contained sufficient to render one of them Batel (but not both)?
(b) And what does R. Shimon say?

Mishnah 17

(a) If a piece of Kodshei Kodshim and a piece of Kodshim Kalim are cooked together with a piece of Basar Ta'avah (see Tos. Yom-Tov), which contains sufficient to render either of the Kodshim pieces Batel, according to the Rabbanan, to whom is the mixture permitted and to whom is it forbidden?
(b) What does R. Shimon say?

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