(a) What is Demai? What is it the acronym of?

(b) Why is the purchaser not Chayav to separate from it ...

1. ... Terumah Gedolah?

2. ... Ma'aser Rishon and, in the third and sixth years, Ma'aser Ani?

(c) Why can we cannot say the same about Terumas Ma'aser, when the Kohen comes to collect it?

(d) Then why is one obligated to separate Ma'aser Sheini in the first, second, fourth and fifth years?

(a) What does the Mishnah say about ha'Kalin she'bi'Demai'?

(b) The list includes wild figs, Rimin, crab or sorb apples, and B'nos Shikmah. What are 'B'nos Shikmah'?

(c) On what grounds were Chazal lenient with regard to these and the other species listed in the Mishnah?

(d) Next on the list is Novlos ha'Temarah, which might mean simply dates that the wind have blown off the tree before they are ripe. What else might it mean

(a) The Tana continues with Gufnin (end of season grapes that do not ripen too well) and Nitzpeh, better known as Tzlaf and the Og in Yehudah (see Tos. Yom-Tov). What is ...

1. ... 'Tzlaf?

2. ... 'Og'? Why is it not subject to Demai in Yehudah?

(b) What is the significance of the vinegar in Yehudah? Why was it initially not subject to Demai?

(c) At what stage did it adopt the Din of Demai? What happened to change its status?

(a) The last item on the list is Kusbar (which the Pasuk refers to in Beshalach (in connection with the Manna) as 'Z'ra Gad'. What is 'Z'ra Gad'?

(b) R. Yehudah qualifies each of the first three items listed by the Tana Kama. On what condition does he renders wild figs Chayav?

(c) Why does he say that the Rimin of Shikmon are Chayav?

(d) And he renders Chayav B'nos-Shikmah which are Mustafos. What does 'Mustafos' mean?

(e) Like whom is the Halachah?

(a) Demai is subject, neither to Chomesh nor to Bi'ur. What is the significance of ...

1. ... 'Chomesh'?

2. ... 'Bi'ur'?

(b) What is the reason for these rulings and the remaining leniencies listed in the Mishnah?

(c) Why did the Chachamim include paying the Keren (the principal) when redeeming Ma'aser Sheini of Demai, but not the Chomesh?

(a) The remaining leniencies in the Mishnah are confined to Ma'aser Sheini exclusively. To begin with, it may be eaten by an Onein (whose relative died and whom he has not yet buried). Which ruling pertaining to Ma'aser Sheini that has entered Yerushalayim, does not apply to Demai?

(b) Which ruling pertaining to Ma'aser Sheini that one finds outside Yerushalayim in a place where there are robbers and wild animals, does not apply here?

(c) To whom may one give Ma'aser Sheini in Yerushalayim, which would be forbidden in the case of regular Ma'aser Sheini?

(d) What is one nevertheless obligated to do to counter the fact that the Am-ha'Aretz may not treat what you gave him with the due respect?

(a) The Tana permits the redeeming money of Ma'aser Sheini of Demai without restrictions. What would be the Din regarding regular Ma'aser Sheini, if one came to redeem silver coins...

1. ... with silver coins or copper coins with copper coins?

2. ... silver coins with copper ones?

(b) What is the reason for the former ruling?

(a) What leniency does R. Meir issue with regard to redeeming copper coins of Ma'aser Sheini with fruit outside Yerushalayim?

(b) What do the Chachamim say?

(c) Like whom is the Halachah?

(a) On what condition does the Tana exempt food that one purchased from an Am-ha'Aretz for seeding or as animal fodder with Ma'aser Sheini money?

(b) And what does he say about purchasing flour for tanning skins and oil to use as fuel or to anoint vessels?

(a) The Mishnah also exempts food that one purchased from an Am-ha'Aretz beyond K'ziv. What is the significance of K'ziv?

(b) Why might we have thought that it is nevertheless Chayav?

(c) Which principle governs this ruling?

(a) On what condition does the Mishnah exempt from Ma'asros a dough that one purchased from an Am-ha'Aretz and that one intends to give a Kohen Chaver (Talmid-Chacham)?

(b) The Tana also exempts Meduma of Demai (see Tos. Yom-Tov). What is 'Meduma'?

(c) What does he say about Demai that one purchased with Ma'aser Sheini money?

(d) What if the money had been used to redeem Vaday Ma'aser Sheini?

(a) Sheyarei Menachos (the Minchah after the Kometz has been burned) too is included in the current ruling. Why might we have thought otherwise?

(b) Beis Shamai render Shemen Areiv Chayav. 'Shemen Areiv' might be Afarsemon oil (oil extracted from balsam wood). What else might it be?

(c) What do Beis Hillel say?

(d) What is their reason (see Tos. Yom-Tov)?

(a) For which two Eruvin does the Mishnah declare Demai eligible?

(b) And what does the Tana mean when he says ...

1. ... 'u'Mishtatfin bo'?

2. ... 'u'Mevorchin Alav' (see Tos. Yom-Tov)?

(c) How will we explain all these rulings in light of the fact that one is not permitted to eat Demai?

(a) What Chidush is the Tana teaching us, when he adds that one may ...

1. ... participate in Zimun after having eaten it (see Tiferes Yisrael)?

2. ... separate 'Ma'asros'from it even if one is naked? Which two 'Ma'asros' is he referring to?

(b) And what does he mean by ('Mafrishin Oso) Bein-ha'Shemashos'? Why might we have thought otherwise?

(a) What does the Mishnah say about preceding Ma'aser Sheini of Demai to Ma'aser Rishon?

(b) What are the ramifications of this ruling? (besides the fact that one does not transgress a La'av [see Tos. Yom-Tov])

(c) What does the Tana say about olive-oil of Demai that ...

1. ... a weaver rubs into his hands?

2. ... a wool-comber puts into the wool?

(d) Why the difference?