KERISUS 20 (10 Elul) - This Daf has been dedicated in memory of Sheina Basha (daughter of Yakov and Dora) Zuckerman, who passed away on 10 Elul, by her children and sons in law.

1)

(a)Rav Oshaya too, queries Shmuel from Rebbi Shimon Shezuri and Rebbi Shimon in our Mishnah (whose statement ('Lo Nechl'ku al Davar she'Hu Mishum Shem Echad ... Ela') preceded that of Rebbi Yehudah). What problem does Rav Oshaya have with that? How does he interpret the black figs and white figs of Rebbi Yehudah?

(b)How does he initially solve the problem (see Rabeinu Gershom's interpretation of the Sugya)?

(c)How does Rebbi Oshaya's interpretation of the Machlokes create a problem with Shmuel?

1)

(a)Rav Oshaya too, queries Shmuel from Rebbi Shimon Shezuri and Rebbi Shimon in our Mishnah (whose statement ('Lo Nechl'ku al Davar she'Hu Mishum Shem Echad ... Ela') preceded that of Rebbi Yehudah). Rav Oshaya's problem is that - seeing as both they and Rebbi Yehudah establish the Machlokes between Rebbi Eliezer and Rebbi Yehoshua by two species (into which category he fits black and white figs), they don't appear to be arguing.

(b)Initially, he solves the problem - by establishing the Machlokes by Mis'asek (which the beginning of the Mishnah did not discuss and) which Rebbi Shimon Shezuri ... considers to be the subject of Rebbi Eliezer and Rebbi Yehoshua's Machlokes, whilst Rebbi Yehudah (who initially thought likewise), rejects it (as we saw in our Mishnah) ...

(c)... a problem with Shmuel - who stated categorically that Mis'asek is Patur (without any reference to a Machlokes Tana'im).

2)

(a)How will Shmuel solve the problem?

(b)What is then the Machlokes between Rebbi Shimon Shezuri and Rebbi Simon and the one hand hand and Rebbi Yehudah, on the other?

(c)How does Rebbi Yehudah categorize black and white figs?

2)

(a)Shmuel solves the problem by assuming that Rebbi Shimon Shezuri ... and Rebbi Yehudah both agree that Mis'asek is Patur in any case, and they are arguing over - Avad Melaket mi'Libo (which we discussed at the end of the previous Amud) ...

(b)... whether the Machlokes R. Eliezer and R. Yehoshua is over Shachach Melaket mi'Lobo by two Sheimos (Rebbi Shimon Shezuri and Rebbi Shimon), but by one Sheim thy both agree that he is Chayav; or whether the Machlokes is over Shachach Melaket mi'Libo (Rebbi Yehudah) irrespective as to whether it is one Sheim or two Sheimos.

(c)And Rebbi Yehudah categorizes black and white figs as one species.

3)

(a)Rava agrees with the previous explanation as far as the distinction between one and two species is concerned, but he establishes the Machlokes between Rebbi Shimon Shezuri and Rebbi Yehudah by Likadem. What does he mean by that?

(b)And we support Rava's explanation with a Beraisa. What does the Tana say in a case where someone means to extinguish or to kindle one of two lights, and he inadvertently extinguishes the wrong one?

(c)And what does he say in a case where he intends to first kindle one light and then to extinguish another one, but where he reversed the order ...

1. ... with two blows?

2. ... with one blow?

(d)Why is the last case not obvious, seeing as he did not perform the two acts in the reverse order that he intended to?

3)

(a)Rava agrees with the previous explanation as far as the distinction between one and two species is concerned, but he establishes the Machlokes between Rebbi Shimon Shezuri and Rebbi Yehudah by Likadem - where the person intended to pick fig a. first and then fig b., and he inadvertently reversed the order. According to Rebbi Shezuri, he is unanimously Chayav, whereas according to Rebbi Yehudah, Rebbi Yehoshua declares him Patur.

(b)And we support Rava's explanation with a Beraisa, where the Tana rules that someone who means to extinguish or to kindle one of two flames, and he inadvertently extinguishes the wrong one - is Patur.

(c)And in a case where he intends to first kindle one flame and then to extinguish another one, but where he reversed the order ...

1. ... with two blows, he rules that - he is Patur ...

2. ... with one blow that - is Chayav.

(d)The last case is not so obvious - because even though he did not perform the two acts in the reverse order that he intended to, he did not perform them exactly as he intended to either.

4)

(a)The Beraisa discusses someone who extinguishes coals on Shabbos. What exactly, does he do?

(b)The Tana Kama obligates him to bring one Chatas. What does Rebbi Shimon ben Elazar in the name of Rebbi Elazar b'Rebbi Tzadok say?

(c)What problem do we have with ...

1. ... the Tana Kama?

2. ... Rebbi Shimon ben Elazar?

4)

(a)The Beraisa discusses someone who extinguishes coals on Shabbos - by taking a shovel-full of ashes from the fire and depositing them elsewhere, turning the shovel upside down in the process.

(b)The Tana Kama obligates him to bring one Chatas. Rebbi Shimon ben Elazar in the name of Rebbi Elazar b'Rebbi Tzadok - obligates him to bring two, because due to the weight of the top coals, he extinguishes the ones that were previously on top, whilst causing those that are now on top, to catch fire.

(c)The problem with ...

1. ... the Tana Kama is that - if he intended to perform both Melachos, why he does not bring two Chata'os.

2. ... Rebbi Shimon ben Elazar is that - if he did not intend to perform both Melachos, why is he Chayav to bring two Chata'os.

5)

(a)Rebbi Elazar and Rebbi Chanina establish the case where he intends to extinguish the top coals in order to kindle the bottom ones. What did he want the bottom ones for?

(b)What is then the basis of their Machlokes?

(c)Rebbi Yochanan too, interprets the Beraisa like Rebbi Elazar and Rebbi Chanina (where he extinguished the bottom coals). What does he mean when he says 'be'Nafach Shanu'?

(d)What did Rebbi Yirmiyah comment after hearing his explanation?

5)

(a)Rebbi Elazar and Rebbi Chanina establish the case where he intends to extinguish the top coals in order to kindle the bottom ones - which he does unwillingly, but (knowing that they will get spoilt ['Mekalkel']) he is willing to lose them in order to extinguish the top ones.

(b)And the Tana'im are arguing over - whether Mekalkel be'Hav'arah is Chayav (Rebbi Elazar b'Rebbi Shimon) or Patur (the Tana Kama).

(c)Rebbi Yochanan too, interprets the Beraisa like Rebbi Elazar and Rebbi Chanina (where he extinguishes the bottom coals). And when he says 'be'Nafach Shanu', he means that - the Beraisa is talking about a blacksmith, who needs charcoal, and who therefore prefers the spent coals not to be re-lit.

(d)After hearing Rebbi Yochanan explanation, Rebbi Yirmiyah commented that - up until then, the Beraisa's reason had not been revealed.

6)

(a)Abaye bar Avin and Rav Chananya bar Avin establish the Beraisa where he actually intends to kindle the one light as well as to extinguish the other, and the Tana Kama, who requires only one Chatas, holds like Rebbi Yossi. What does Rebbi Yossi hold about Hav'arah in the Torah?

(b)And what does Rebbi Nasan say?

6)

(a)Abaye bar Avin and Rav Chananya bar Avin establish the Beraisa where he actually intends to kindle one of the lights as well as to extinguish the other, and the Tana Kama, who requires only one Chatas, holds like Rebbi Yossi, who says - 'Hav'arah le'La'av Yazta'as' (of all thirty-nine Melachos, the Toah mentions kindling a fire specifically, to teach us that it constitutes only a La'av, and is not subject to Kareis or a Chatas).

(b)Whereas Rebbi Nasan holds - 'Hav'arah Lechalek Yatza'as' (that it is to establish an independent Chatas for each individual Melachah that the Torah mentions it).

20b----------------------------------------20b

7)

(a)Rava establishes the Machlokes with regard to 'Lehakdim'. What does he mean (see Rabeinu Gershom)?

(b)Why does the Tana Kama obligate him to bring only one Chatas?

(c)Whereas according to Rav Ashi, the sinner wants to extinguish the bottom coals, but not to kindle the top ones, and their Machlokes is a replica of the Machlokes between Rebbi Shimon and Rebbi Yehudah. Which Machlokes?

7)

(a)Rava establishes the Machlokes with regard to Lehakdim - where he intends to first extinguish the top coals before kindling the bottom ones, but ended up performing them both simultaneously ...

(b)... and the Tana Kama obligates him to bring only one Chatas for kindling, but not a second one for extinguishing, since he did not perform it first, as he intended.

(c)Whereas according to Rav Ashi, the sinner wants to extinguish the bottom coals, but not to kindle the top ones, and their Machlokes is a replica of the Machlokes between Rebbi Shimon, who holds - Davar she'Eino Miskaven, Mutar', and Rebbi Yehudah, who holds Davar she'Eino Miskaven - Chayav.

8)

(a)The Beraisa discusses someone who is stoking hot coals to warm himself, and the coals catch fire by themselves. What if he knows that this will happen?

(b)On what grounds does the Tana nevertheless exempt him from a Chatas?

(c)Then why does another Beraisa declare him Chayav?

8)

(a)The Beraisa discusses someone who is stoking hot coals to warm himself, and the coals catch fire by themselves - even though he knows that this will happen.

(b)The Tana nevertheless exempts him from a Chatas - because he holds Melachah she'Einah Tzerichah le'Gufah (a Melachah whose outcome he does not need), Patur.

(c)Whereas the Beraisa that declares him Chayav holds - Melachah she'Einah Tzerichah le'Gufah, Chayav.

Hadran alach 'Safek Achal'

Perek Dam Shechitah

9)

(a)What does our Mishnah say about someone who drnks the blood ...

1. ... of a Beheimah, a Chayah or a bird?

2. ... of an animal that has been torn open and an animal that has been killed by blood-letting?

3. ... of the spleen, of the heart, the blood of eggs, fish or locusts?

(b)In the middle list, the Tana includes Dam Ikur. What is Dam Ikur (see Shitah Mekubetzes)?

(c)Why can it not mean the blood of an animal with which Ikur (castration) was performed?

(d)Regarding the first list, what if the blood is from a Tamei species of animal?

9)

(a)Our Mishnah rules that someone who drinks the blood ...

1. ... of a Beheimah, a Chayah or a bird - is subject to Kareis (or a Chatas), and so is that ...

2. ... of an animal that has been torn open, an animal that has been killed by blood-letting.

3. ... of the spleen, of the heart, the blood of eggs, fish or locusts - is not subject to Kareis (or a Chatas).

(b)In the middle list, the Tana includes Dam Ikur - the blood of an animal whose Simanim were Shechted after being moved from their location (but not detached) from their location on the neck.

(c)It cannot mean the blood of an animal with which Ikur (castration) was performed - because Ikur renders an animal T'reifah, but does not kill it.

(d)Regarding the first list - the same Din will apply to the blood of a Tamei species of animal.

10)

(a)The Tana includes Dam Beitzim and Dam ha'Tamtzis in the third list. What are the two ways of explaining Dam Beitzim?

(b)What is Dam ha'Tamtzis?

(c)Why is it not subject to Kareis?

(d)What does Rebbi Yehudah say about Dam ha'Tamtzis?

10)

(a)The Tana includes Dam Beitzim - either the blood of a male animal's Beitzim, or that of a unfertilized egg which became hot after the hen sat on it, and Dam ha'Tamtzis in the third list.

(b)Dam ha'Tamtzis is - the blood that oozes from the animal's neck after the Dam ha'Nefesh has finished squirting out ...

(c)... because the Chiyuv Kareis pertains to Dam ha'Nefesh exclusively.

(d)Rebbi Yehudah - includes Dam ha'Tamtzis in the first list, in which case it is subject to Kareis.

11)

(a)What does the Beraisa learn from "la'Of ve'la'Beheimah" (in the Pasuk in Tzav "Kol Dam Lo Socheilu la'Of ve'la'Beheimah")? Besides Dam Beitzim, Dagim and Chagavim, which other two things does it come to preclude?

(b)Two of the three things that "Of" and "Beheimah" have in common are that they are both subject to Tum'ah Kalah ve'Tum'ah Chamurah (a lenient and a stringent level of Tum'ah) and to Isur and Heter. What is the third?

(c)What does the Tana mean by ...

1. ... Tum'ah Kalah va'Chamurah?

2. ... Isur and Heter?

(d)On what grounds do we then preclude from the Isur of Dam ...

1. ... human blood?

2. ... the blood of Sheratzim?

3. ... Dam Beitzim?

4. ... the blood of fish and locusts?

11)

(a)The Beraisa learn from "la'Of 've'la'Beheimah" (in the Pasuk in Tzav "Kol Dam Lo Socheilu la'Of ve'la'Beheimah") that Dam Beitzim, Dagim and Chagavim - Dam Mehalchei Shetayim (human-beings) and Dam Sheratzim are not subject to Kareis.

(b)The three things that "Of" and "Beheimah" have in common are that they are both subject to Tum'ah Kalah and Tum'ah Chamurah (a lenient and a stringent level of Tum'ah) and to Isur and Heter - and they both belong to the species of Basar.

(c)When the Tana refers to ...

1. ... Tum'ah Kalah ve'Tum'ah Chamurah, he means - Tum'as Ochel (which has the Shi'ur of a k'Beitzah and is not Metamei be'Masa (through carrying), and Tum'as Neveilah (which has the Shi'ur of a k'Zayis and is Metamei be'Masa), respectively.

2. ... Isur and Heter, he means that - they are forbidden before the Shechitah and permitted afterwards.

(d)We now preclude from the Isur of Dam ...

1. ... human blood - because it is subject to Tum'ah Chamurah but not to Tum'ah Kalah

2. ... the blood of Sheratzim - because it is subject to Tum'ah Kalah but not to Tum'ah Chamurah (as regards Tum'as Masa).

3. ... Dam Beitzim - because Beitzim are not a species of Basar.

4. ... the blood of fish and locusts - because they are not Asur to begin with.

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