Title: Anki Torah / Mishnayos
Tags: Demai Demai5 Demai7 Demai6 Demai1 Demai3 Demai4 Demai2
On every note of this deck, unless a note says otherwise:
Author: Rabbi Jonathan Fox

Front: What is the common characteristic about the fruits mentioned in our Mishnah that exempts one from having to tithe if bought from an am ha’aretz?
Back: They are not valuable
Title: Demai 1:1

Front: If one purchases wild figs from an am ha’aretz, must he tithe them?
Back: No
Title: Demai 1:1

Front: Where is Shikmona?
Back: Near Haifa
Title: Demai 1:1

Front: What type of fruit is a ‘dufrah’?
Back: A fig
Title: Demai 1:1

Front: When a person redeems regular maaser sheini, how much must he add to its value?
Back: A fifth
Title: Demai 1:2

Front: When a person redeems maaser sheini of demai, how much must he add to its value?
Back: Nothing
Title: Demai 1:2

Front: May an onen eat maaser sheini of demai?
Back: Yes
Title: Demai 1:2

Front: May the owner of maaser sheini of demai consume it in an impure state?
Back: No
Title: Demai 1:2

Front: A person redeems maaser sheini of demai. He then purchases fruit with the proceeds, having in mind that he would exchange the fruit for money. According to Rebbi Meir, may the fruit that he now has be redeemed?
Back: Yes
Title: Demai 1:2

Front: A person redeems maaser sheini of demai. He then purchases fruit with the proceeds, having in mind that he would exchange the fruit for money. According to the Sages, may the fruit that he now has be redeemed?
Back: No
Title: Demai 1:2

Front: One purchases produce from an am ha’aretz to feed to one’s cattle. Why is the produce exempt from demai?
Back: Since even definite tevel is liable for maaser on a rabbinical level only
Title: Demai 1:3

Front: Is challah of an am ha’aretz liable to demai?
Back: No
Title: Demai 1:3

Front: According to Bet Hillel, why is perfumed oil exempt from demai?
Back: Since it is not used as food
Title: Demai 1:3

Front: For which eruvs may demai be used?
Back: Eruvei techumin and eruvei chatzerot
Title: Demai 1:4

Front: ‘the Blessing’ is recited on demai bread. According to Rambam, what is ‘the Blessing’?
Back: Grace after Meals
Title: Demai 1:4

Front: Must one recite a blessing when separating tithes from demai?
Back: No
Title: Demai 1:4

Front: One purchases pressed figs from an am ha’aretz in Kezib. Why is it liable to demai?
Back: Since pressed figs are uniquely grown in Israel, we assume that they were imported to Kezib
Title: Demai 2:1

Front: An am ha’aretz declares publicly that he will take maaser from his produce. According to Rebbi Yehudah, what else must he declare in order to be trusted regarding maaser?
Back: That he will tithe produce that he buys from another am ha’aretz, that he will tithe produce that he sells and that he will tithe produce that he buys
Title: Demai 2:2

Front: An am ha’aretz undertakes to become a chaver. Why may he not sell produce to another am ha’aretz in Israel?
Back: Because the am ha’aretz, who is presumed to be impure, would defile it and in Israel one may not cause the non-sanctified to become defiled
Title: Demai 2:3

Front: An am ha’aretz undertakes to become a chaver. Why may he not be the guest of another am ha’aretz even if the food has been tithed?
Back: Out of concern that the food is defiled
Title: Demai 2:3

Front: An am ha’aretz undertakes to become a chaver. According to Rebbi Yehudah, why may he not jest?
Back: For jesting leads a man to immorality
Title: Demai 2:3

Front: For each of the following, state whether he must separate maaser sheini: A baker.
Back: No
Title: Demai 2:4

Front: For each of the following, state whether he must separate maaser sheini: A shopkeeper.
Back: Yes
Title: Demai 2:4

Front: For each of the following, state whether he must separate maaser sheini: A wholesaler.
Back: No
Title: Demai 2:4

Front: Grain that is usually measured in large quantities, is measured in small quantities. According to Rebbi Meir, is it exempt from demai tithing?
Back: Yes
Title: Demai 2:5

Front: A person purchases produce from an am ha’aretz in order to give to a poor person. Must he tithe the produce?
Back: No
Title: Demai 3:1

Front: According to Rashi, who are ‘achsanya’?
Back: Royal troops who are on the move
Title: Demai 3:1

Front: An am ha’aretz donates food to the charity wardens. According to Bet Shamai, may the wardens give this food to poor amei ha’aretz?
Back: No
Title: Demai 3:1

Front: An am ha’aretz donates food to the charity wardens. According to the Sages, may the wardens give this food to poor amei ha’aretz?
Back: Yes
Title: Demai 3:1

Front: One may not throw away untithed leaves of vegetables. Why?
Back: Lest an am ha’aretz finds them and eats them untithed
Title: Demai 3:2

Front: A person is buying vegetables from a vendor in the market. At which point may he not return the vegetables without tithing them?
Back: When he picks the vegetables up
Title: Demai 3:2

Front: One finds food on the road and picks it up to prevent it getting lost. Must he tithe it?
Back: No
Title: Demai 3:3

Front: According to Rebbi Yosi, on what condition may one send tevel to one’s friend as a gift?
Back: He informs the friend that it is untithed
Title: Demai 3:3

Front: One gives tithed wheat to an am ha’aretz miller. When the miller returns the flour, must the owner treat it as demai?
Back: No
Title: Demai 3:4

Front: One gives tithed wheat to a gentile miller. When the miller returns the flour, must the owner treat it as demai?
Back: Yes
Title: Demai 3:4

Front: One deposits fruit with a gentile. According to Rebbi Shimon, when he returns the fruit, must he treat it as demai?
Back: Yes
Title: Demai 3:4

Front: A person gives flour to a hostess in order to prepare baked food for him. When he receives the baked food from her, must he tithe it and why?
Back: Yes as we are concerned that she swapped it with her own in order to serve her guest with the better flour
Title: Demai 3:5

Front: One gives his mother-in-law flour with which to bake for him. Why must he tithe it first?
Back: If the dish becomes spoilt, she may swap it for her own flour and consume his flour without tithing it
Title: Demai 3:6

Front: According to Rebbi Yehudah, is an am ha’aretz more concerned about the prohibition of tevel or of shemitah?
Back: Shemitah
Title: Demai 3:6

Front: A person purchases produce from an am ha’aretz and forgets to tithe it. Shabbat arrives and he wants to eat the food. Can he rely on the word of the am ha’aretz seller in order to consume the produce on Shabbat?
Back: Yes
Title: Demai 4:1

Front: A person purchases produce from an am ha’aretz and forgets to tithe it. Shabbat arrives and he wants to eat the food. Can he rely on the word of the am ha’aretz seller in order to consume the produce after Shabbat?
Back: No
Title: Demai 4:1

Front: A buyer separates maaser from demai and the terumat maaser that he separates falls back into the original heap. Do we believe the seller’s claim that he separated terumat maaser?
Back: Yes
Title: Demai 4:1

Front: Reuvein who is an am ha’aretz (and hence is not trusted regarding maaser), vows that if Shimon refuses to eat with him, then Shimon will be forbidden to derive any benefit from Reuvein. Why do the Rabbis allow Shimon eat with Reuvein?
Back: To foster harmony and discourage strife
Title: Demai 4:2

Front: According to the Sages, why is an am ha’aretz suspected of not separating maaser ani?
Back: Because of the inconvenience involved
Title: Demai 4:3

Front: According to the Sages, an am ha’aretz is suspected of not separating maaser ani because of the inconvenience involved. Does Rebbi Eliezer agree with the Sages?
Back: No
Title: Demai 4:3

Front: If one designated terumat maaser of demai on Friday, may he separate it on Shabbat and why?
Back: No, as one may not bestow gifts on Shabbat
Title: Demai 4:4

Front: Reuvein asks Shimon, who is an am ha’aretz, to buy produce from Yehudah who is trustworthy. Shimon brings the produce to Reuvein and states that he bought it from Yehudah. Is Shimon believed and why?
Back: Yes. Since his statement can be verified we can trust that he would not lie
Title: Demai 4:5

Front: A visitor enters a city and asks a resident to advise him who is trustworthy regarding maaser. The resident states that he himself is trustworthy. May the visitor believe him and why?
Back: No as a person cannot testify about himself
Title: Demai 4:6

Front: A visitor enters a city and asks a resident, Reuvein, to advise him who is trustworthy regarding maaser. Reuvein states that another resident, Shimon, is trustworthy. The visitor purchases from Shimon, who tells the visitor that Reuvein is trustworthy regarding another type of grain. Although Reuvein and Shimon seem to be colluding, the visitor may believe them. Why?
Back: The Sages were lenient regarding a visitor, whose sustenance is at stake
Title: Demai 4:6

Front: Which Tana in our Mishnah is more lenient toward a visitor regarding the need to be suspicious of collusion by the local residents?
Back: Rebbi Yehudah
Title: Demai 4:7

Front: A person buys bread from an am ha’aretz baker. Let us assume that the volume of the bread is 1000 units. How many units must be physically separated from the bread for terumat maaser?
Back: 10 units
Title: Demai 5:1

Front: A person buys bread from an am ha’aretz baker. Let us assume that the volume of the bread is 1000 units. How many units must be physically separated from the bread for challa?
Back: 21 units
Title: Demai 5:1

Front: A person buys bread from an am ha’aretz baker. Let us assume that the volume of the bread is 1000 units. How many units must be physically separated from the bread maaser sheini?
Back: Zero units
Title: Demai 5:1

Front: A person is separating tithes from tevel. What percentage of the tevel must he separate for terumah?
Back: 2%
Title: Demai 5:2

Front: A person is separating tithes from tevel. What percentage of the tevel must he separate for terumat maaser?
Back: 1%
Title: Demai 5:2

Front: A person is separating tithes from tevel. What percentage of the tevel must he separate for maaser rishon?
Back: 10%
Title: Demai 5:2

Front: A person buys demai loaves of bread from a baker. According to Rebbi Meir, he may separate the tithes from today’s loaves for yesterday’s loaves. Why is Rebbi Meir not concerned about the prohibition of tithing from the exempt for the liable?
Back: Rebbi Meir presumes that the baker purchases from a single supplier
Title: Demai 5:3

Front: Regarding loaves purchased from a baker, Rebbi Shimon is concerned about the prohibition of tithing from the exempt for the liable. Why is he not concerned about taking challah from the exempt loaves for the liable loaves?
Back: Because the bread only becomes liable to challah at the baker who kneads the dough and thus all his bread is liable to challah
Title: Demai 5:3

Front: According to which Tana is a bread dealer presumed to purchase from a single baker even if the bread is baked in different moulds?
Back: Rebbi Yehudah
Title: Demai 5:4

Front: If one buys bread from a beggar who receives food, he must tithe each piece. Why?
Back: In order to avoid tithing from the exempt for the liable
Title: Demai 5:5

Front: A poor person is given many small dates and dried figs. According to the Tana Kama, must he tithe each one?
Back: No
Title: Demai 5:5

Front: A poor person is given many small dates and dried figs. According to Rebbi Yehudah, must he tithe each one?
Back: Yes
Title: Demai 5:5

Front: One buys produce from a wholesaler and later buys more of the same type of produce from the same wholesaler. In what case would the buyer be allowed to tithe from one purchase for the other?
Back: If the wholesaler testifies that the produce was bought from one supplier
Title: Demai 5:6

Front: One buys vegetables from a field-owner’s store in the market. He later buys a different type of vegetable from the same field-owner. All the vegetables were brought to the store from the field-owner’s field. May the buyer tithe from one purchase for the other?
Back: No as one may not tithe from one type of produce for another
Title: Demai 5:7

Front: ‘One may not sell tevel’ – why?
Back: He may forget to tell the buyer and thus cause him to eat tevel
Title: Demai 5:8

Front: According to our Mishnah, is the produce of a gentile in Israel subject to maaser?
Back: Yes
Title: Demai 5:9

Front: Why may one tithe from a Jew’s tevel for produce purchased from a Cuthean?
Back: Since Cutheans do not tithe, one would be tithing from the liable for the liable, which is permitted
Title: Demai 5:9

Front: A person separates terumah from produce grown in a non-perforated pot for produce grown in a perforated pot. Is the separation considered terumah by Torah law?
Back: No
Title: Demai 5:10

Front: A person separates terumah from produce grown in a non-perforated pot for produce grown in a perforated pot. Must terumah be taken again from the perforated pot?
Back: Yes
Title: Demai 5:10

Front: A person separates terumah from produce grown in a perforated pot for produce grown in a non-perforated pot. Is the separation considered terumah by Torah law?
Back: No
Title: Demai 5:10

Front: A person separates terumah from produce grown in a perforated pot for produce grown in a non-perforated pot. Must terumah be taken again from the non-perforated pot?
Back: No
Title: Demai 5:10

Front: A person gives terumah from demai for demai. Why must he give terumah again?
Back: Since he may have given from tithed produce, in which case he has in fact not given terumah at all
Title: Demai 5:11

Front: Reuvein leases a field from Shimon for a fixed amount of produce that the field yields from the seeds that Reuvein plants. According to Rebbi Yehudah, must Reuvein take the terumah for all the produce?
Back: Yes
Title: Demai 6:1

Front: Reuvein leases a field from Shimon for a fixed amount of produce that the field yields from the seeds that Reuvein plants. According to Rebbi Yehudah, must Reuvein tithe all the produce?
Back: No
Title: Demai 6:1

Front: A Jew leases a field as a sharecropper from a gentile who had seized it from his forbearers. According to Rebbi Yehudah, the lessee must, as a penalty, take tithes and give them to the gentile. According to Rashi, why did the Sages impose the penalty?
Back: To encourage the Jew to purchase back his ancestral land (as the tithing becomes a burden)
Title: Demai 6:2

Front: According to whose opinion may a Kohein sharecropper keep the terumah from the landowner’s share?
Back: Rebbi Eliezer
Title: Demai 6:3

Front: According to Rebbi Eliezer why may a Kohein sharecropper keep the terumah from the landowner’s share?
Back: Because he leased the field on that condition
Title: Demai 6:3

Front: An Israelite leases a field as a sharecropper from a Levite. To whom does the maaser belong?
Back: To the Levite landowner
Title: Demai 6:4

Front: Reuvein, who comes from outside Jerusalem leases a field as a sharecropper from Shimon, a Jerusalemite. According to the Sages, why may Reuvein keep his share of the maaser sheini?
Back: Since he can take it to Jerusalem to eat it there, there is no presumption that it was leased on condition that Shimon would get all the maaser sheini
Title: Demai 6:4

Front: If an Israelite leases a cornfield from a Levite, the maasrot belong to the owner. According to the Tana Kama of our Mishnah, if an Israelite leases olive trees from a Levite, he shares the maaser with the owner. Why is this different from a cornfield?
Back: Because of his considerable effort to produce the oil, there is an implied insistence on a share of the maasrot.
Title: Demai 6:5

Front: According to Bet Shamai, to what type of person should one not sell harvested olives?
Back: A non-chaver
Title: Demai 6:6

Front: According to Bet Hillel, to what type of person should one not sell harvested olives?
Back: One who is not trustworthy regarding tithes
Title: Demai 6:6

Front: Reuvein and Shimon are equal partners in a vineyard. Reuvein is trusted regarding tithes and Shimon is not. Reuvein sets aside maaser for half the produce. Reuvein must set aside more tithes. In respect of what must he set aside more tithes?
Back: Shimon’s portion of the wine which is considered demai
Title: Demai 6:7

Front: Reuvein and Shimon are equal partners in a wheat field. Reuvein is trusted regarding tithes and Shimon is not. What can Reuvein say in order to ensure that he only has to tithe half the produce?
Back: He says ‘I will take the wheat in this place and you take the wheat in that place’
Title: Demai 6:8

Front: True or false? One may sell tevel to one’s partner.
Back: FALSE
Title: Demai 6:8

Front: Reuvein and Shimon, who are brothers, inherit a field from their father who was an am ha’aretz. Reuvein is trusted regarding tithes and Shimon is not. Why may Reuvein not say to Shimon ‘You take the wheat and I take the barley’?
Back: Since they both own a share in both the wheat and the barley, this is considered trading and one may not sell demai to an am ha’aretz
Title: Demai 6:9

Front: A convert and his gentile brother inherit money and idols from their gentile father. The convert may say to his brother ‘I will take the money and you take the idols’. Why is this not considered as using idols for trading?
Back: Since a convert inherits from his gentile father only by rabbinic law, and as long as the inheritance has not come into his possession, he has not yet acquired it, there is actually no trade involved.
Title: Demai 6:10

Front: One purchases produce in Syria and the seller states that the produce is from Israel and that it is tithed. Based on what principle do we trust the seller that the produce is tithed?
Back: ‘The mouth that forbids is the mouth that permits’ or ‘migo’
Title: Demai 6:11

Front: One purchases produce in Syria from a seller who has a field in SyriMust the buyer tithe it as demai?
Back: Yes
Title: Demai 6:11

Front: An am ha’aretz asks a chaver to buy loaves for him. The chaver goes to buy loaves for the am ha’aretz and for himself. What may the chaver do in order to exempt himself from tithing the loaves that he bought for the am ha’aretz?
Back: He must buy the loaves without specifying which are for him and which are for the am ha’aretz
Title: Demai 6:12

Front: Before Shabbat, one accepts an invitation to eat by an am ha’aretz on Shabbat. In order to eat there on Shabbat which tithes must he separate by declaration before Shabbat?
Back: Maaser rishon, terumat maaser and maaser sheini
Title: Demai 7:1

Front: Before Shabbat, one accepts an invitation to eat by an am ha’aretz on Shabbat. Assuming he stipulated the designation of maaser before Shabbat, is he required to stipulate the designation again on Shabbat?
Back: Yes
Title: Demai 7:2

Front: Our Mishnah refers to ‘his cup’. Would the same principles apply to his food?
Back: Yes
Title: Demai 7:2

Front: An am ha’aretz employer gives his employee 100 dried figs to eat. According to the Tana Kama, how many of the figs may he eat?
Back: 99
Title: Demai 7:3

Front: An am ha’aretz employer gives his employee 100 dried figs to eat. What does he do with the fig/s that he may not eat?
Back: He gives it to the Kohein
Title: Demai 7:3

Front: An am ha’aretz employer gives his employee 100 dried figs to eat. According to Rabbi Shimon ben Gamliel, why may he not save any figs?
Back: Because his diminished ration impairs his productivity at the employer’s expense
Title: Demai 7:3

Front: A person purchases 100 logs of wine from a Cuthean. By twilight on Shabbat eve, he has not yet tithed the wine. In order to consume the wine on Shabbat, he declares ‘Two logs that I will separate are terumah, ten logs maaser and nine logs maaser sheini’. What type of terumah is he referring to?
Back: Terumah gedolah
Title: Demai 7:4

Front: A person purchases 100 logs of wine from a Cuthean. By twilight on Shabbat eve, he has not yet tithed the wine. In order to consume the wine on Shabbat, he declares ‘Two logs that I will separate are terumah, ten logs maaser and nine logs maaser sheini’. When will he actually ‘separate’?
Back: After Shabbat
Title: Demai 7:4

Front: A person purchases 100 logs of wine from a Cuthean. By twilight on Shabbat eve, he has not yet tithed the wine. In order to consume the wine on Shabbat, he declares ‘Two logs that I will separate are terumah, ten logs maaser and nine logs maaser sheini’. What type of maaser are the 10 logs for?
Back: Maaser rishon
Title: Demai 7:4

Front: A person has 100 tevel figs in his home. On Friday afternoon, he is not at home and will not get home in time to tithe the figs. How many figs must he designate for terumah gedolah?
Back: 2
Title: Demai 7:5

Front: A person has 100 tevel figs in his home. On Friday afternoon, he is not at home and will not get home in time to tithe the figs. How many figs must he designate for maaser rishon?
Back: 10
Title: Demai 7:5

Front: A person has 100 tevel figs in his home. On Friday afternoon, he is not at home and will not get home in time to tithe the figs. How many figs must he designate for maaser sheini?
Back: 9
Title: Demai 7:5

Front: There are 2 baskets of tevel produce in front of a person. The person says ‘The maasrot of basket A will be in that of basket B and the maasrot of basket B will be in basket A’. Which basket is considered tithed?
Back: Basket A
Title: Demai 7:6

Front: There are 2 baskets of tevel produce in front of a person. The person says ‘The maasrot of basket A will be in that of basket B and the maasrot of basket B will be in basket A’. Why is the other basket not considered tithed?
Back: When he said ‘the maasrot of basket B will be in basket A’, basket A was already tithed and hence he was separating from the exempt (basket A) for the liable (basket B)
Title: Demai 7:6

Front: 100 parts of tevel, from which terumah gedolah has been separated, become mixed with 100 parts of chullin. How many parts of the mixture must be removed to ensure that terumat maaser is removed?
Back: 101 parts
Title: Demai 7:7

Front: 100 parts of tevel, from which terumah gedolah has been separated, become mixed with 90 parts of maaser. How many parts of the mixture must be removed to ensure that terumat maaser is removed?
Back: 10 parts
Title: Demai 7:7

Front: One has 10 rows of 10 jars of wine in each row. He declares one of the exterior rows to be maaser rishon for all the jars but it is uncertain to which exterior row he was referring. How many jars must he take for terumat maaser?
Back: Two
Title: Demai 7:8

Front: One has 10 rows of 10 jars of wine in each row. He declares one of the exterior rows to be maaser rishon for all the jars but it is uncertain to which exterior row he was referring. Which jars must he take for terumat maaser?
Back: The jars at opposite corners of the grid
Title: Demai 7:8

Front: One has 10 rows of 10 jars of wine in each row. He declares one of the exterior rows to be maaser rishon for all the jars but it is uncertain to which exterior row he was referring. For how much must he sell these jars to the Kohein?
Back: For the price of one jar of terumah
Title: Demai 7:8