Please note that unless where otherwise indicated, we follow the explanation of Rashi.
Our notes and comments do not necessarily have a bearing on the practical Halachah.

1)

(a) How do we learn the prohibition of Melachah on Chol ha'Mo'ed from the Pasuk "Sheishes Yamim Tochal Matzos u'va'Yom ha'Shevi'i Atzeres la'Hashem Elokecha"?

(b) How do we ...

1. ... know that not *all* Melachos are forbidden?
2. ... determine which Melachos are prohibited and which are permitted?

(a) 'One may water a Beis ha'Shalachin on Chol ha'Mo'ed ... '.
What is a 'Beis ha'Shalachin'?

(b) Does it make any difference whether the fountain began flowing only now or whether it has been flowing for a long time?

(c) One is forbidden however, to water one's field on Chol ha'Mo'ed using rainwater or 'Mei Kilon'.
What is 'Mei Kilon'?

(d) Why are they forbidden?

(a) 'Ein Osin Ugi'os li'Gefanim'.
What are Ugi'os? Why is this forbidden?

(b) Rebbi Elazar ben Azaryah forbids an Amah both on Chol ha'Mo'ed and in the Shmitah.
What is an Amah? Why is it called by that name?

(c) In which point do the Chachamim disagree with Rebbi Elazar ben Azaryah?

What is the difference between Sh'mitah and Chol ha'Mo'ed according to them?

(a) 'u'Mesaknin es Kilkulei Mayim she'bi'Reshus ha'Rabim, ve'Chotetin Osan'. What are 'Kilkulei Mayim? What does 've'Chotetin Osan' mean?

(b) Which principle governs our Mishnah, which concedes that repairing the roads and Mikva'os is permitted?

(c) On what grounds does the Tana permit ...

1. ... marking the graves (see Tosfos DH 'u'Metzainin')?
2. ... the Beis-Din to send out their Sh'luchim to tend to the removal of Kil'ayim (see Tosfos DH 've'Yotz'in')?

(a) Why might we have thought that watering even a Beis ha'Shalachin would be forbidden, should one use water from a *new* fountain?

(b) In that case, having taught us that it is permitted, why does the Tana find it necessary to add that it is also permitted to water a Beis ha'Shalachin using water from an *old*, established fountain?

(c) What do we learn from the Targum of the Pasuk ...

1. ... in Ki Seitzei "ve'Atah Ayeif ve'Yagei'a " ("ve'At Meshalhi ve'La'i")?
2. ... in Yeshayah "Ki Yiv'al Bachur Besulah" ("Arei Kamah de'Misosiv Olam im Besulta ... ")?

(a) Why does the Tana of our Mishnah limit permission to water a field to a Beis ha'Shalachin, forbidding a Sadeh Beis ha'Ba'al?

(b) Why might the author of our Mishnah ...

1. ... be Rebbi Eliezer ben Ya'akov, who says (in a Mishnah later) that one may dig a water-trench in a Sadeh Beis ha'Ba'al, but one may not not water the entire field?
2. ... nevertheless not be Rebbi Eliezer ben Ya'akov?

(a) Rebbi Meir permits watering even a Sadeh Beis ha'Ba'al using a new fountain on Chol ha'Mo'ed. Rebbi Yehudah restricts the use of a new fountain to a Beis ha'Shalachin which became destroyed.
What does he mean by 'became destroyed'? Why can it not mean just what it says?

(b) What does Rebbi Elazar ben Azaryah say?

(c) What does Rebbi Yehudah forbid even in a Sadeh Beis ha'Shalachin because of excess trouble (see Tosfos DH 'Yeser")?

(d) We conclude that the author of our Mishnah has to be Rebbi Yehudah (because who else could it possibly be?), like Rav Papa maintains.
What strong objection do we initially raise against this contention?

8) According to the conclusion (that Rebbi Yehudah forbids even using an *old* established fountain to water a Beis ha'Ba'al), why does the Beraisa confine itself to a *new* one?

9)

(a) According to Rabah, if someone who wants to weed or to water plants on Shabbos, one warns him that he is transgressing a Toldah of plowing.
What does Rav Yosef say?

(b) What is the logic behind saying that it is a Toldah of ...

1. ... plowing?
2. ... sowing?

(c) What Kashya does Abaye ask on both of his Rebbes?

(d) The Kashya remains unanswerd.
The proof that someone who contravenes two Melachos with one action is Chayav two Chata'os is from Rav Kahana. What does Rav Kahana say?

(a) The Tana Kama of the Beraisa says that someone who weeds or covers over Kil'ayim with earth receives Malkos.
Why does this Beraisa appear to go like Rav Yosef, but not like Rabah?

(b) Rabah answers that he receives Malkos because of 'Mekayem (retaning) Kil'ayim', which is also forbidden.
How do we reconcile this with the Seifa, in which Rebbi Akiva says that one is also *Chayav* because of Mekayem Kil'ayim, implying that the Tana Kama holds that he is *not*?

(c) How does Rebbi Akiva learn from the Pasuk in Kedoshim "Sadcha Lo Sizra Kil'ayim" that someone who maintains Kil'ayim contravenes a La'av?

(d) The Tana of our Mishnah incorporates Sh'mitah in the concession of watering a Beis ha'Shalachin.
Why is this a Kashya both on Rabah and on Rav Yosef?

(a) Abaye answers the above Kashya by establishing our Mishnah by Shevi'is nowadays, according to Rebbi.
What does Rebbi learn from the Pasuk in Re'ei "ve'Zeh D'var ha'Sh'mitah Shamot"? How does that answer the Kashya?

(b) Rava has a more radical approach.
What does he say about Toldos?

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