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Review the גמרא דף לח: “א”ר זריקא (seven lines from the top of the Amud) until the Mishna 

Question:

What is the uncertainty in the case of פינה ממיחם למיחם (transferring the food to a different pot) whether it is permitted to return the second pot to the stove?

See רש”י “פינה

Learn תוס’ “פינה who asks a question from Gemara in the fourth perek. 

See תוס’ ישנים answer from the רשב”א 

Major Question:

Tosfos says there is a potential concern when one transfers hot food into a second pot that one might come to stoke the coals.  How could there be a חשש שמא יחצה when we are dealing with a stove that is גרוף וקטום?

Learn ר”ן דף יז: דפי הריף “בעי רב אשי for an additional two answers 

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=584&hilite=

How are the two explanations of the Ran different than each other?

How are the two explanations of the Ran different than Tosfos? 

Learn the גמרא דף לח: “א”ר זריקא (seven lines from the top of the Amud) until the Mishna 

Questions:

What is the reason why if the pot is placed on the ground it would be prohibited to return the food to the stove?

See רש”י “אבל הניח על גבי קרקע 

What is the uncertainty in the case of פינה ממיחם למיחם (transferring the food to a different pot) whether it is permitted to return the second pot to the stove?

See רש”י “פינה

Learn תוס’ “פינה 

Learn ר”ן דף יז: דפי הריף “בעי רב אשי 

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=584&hilite=

Questions:

Why does Beis Shammai prohibit Chazarah even on a stove that is גרוף וקטום ?

See רש”י דף לו: “לא מחזירין

Is this the same reason Beis Hillel prohibits Chazarah when the stove is not גרוף וקטום?

Learn משנה ברורה ס’ רנ”ג ס”ק לז & שער הציון אות לז

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=48

Learn ר”ן על גמ’ דף לו: “איבעיא להו

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=580

Learn the גמרא דף לח: “א”ר זריקא (seven lines from the top of the Amud) until the Mishna 

Questions:

What is the reason why if the pot is placed on the ground it would be prohibited to return the food to the stove?

See רש”י “אבל הניח על גבי קרקע 

What is the uncertainty in the case of פינה ממיחם למיחם (transferring the food to a different pot) whether it is permitted to return the second pot to the stove?

See רש”י “פינה

Learn תוס’ “פינה 

List the two different explanations (Rashi & Tosfos) of the chidush of Rav Sheshes and Rav Oshia דף לח עמוד ב that Beis Hillel permits חזרה even on Shabbos.

Learn the ר”ן דף יז: דפי הריף ” ומיהו בירושלמי which brings a new explanation for the chidush of Rav Sheshes 

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=584

Why does Beis Shammai prohibit Chazara even on a stove that is גרוף וקטום ?

See רש”י דף לו: “לא מחזירין

Is this the same reason Beis Hillel prohibits if it is not גרוף וקטום ?

According to Chanania it is permitted to leave food that is half way cooked on a stove that is not גרוף וקטום. Yet in regards to chazarah Beis Hillel only permits Chazara on a stove that is גרוף וקטום. Why?

Learn ח’ ר”ן דף לו: “אין מחזירין

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=580

Continue learning the גמרא דף לח: “א”ר זריקא (seven lines from the top of the Amud) until the Mishna 

Very quickly review the גמרא דף לח. “ב”ה אומרין (two dots – bottom of the Amud) until דף לח: “א”ר זריקא (seven lines from the top of the Amud)

List the two different explanations (Rashi & Tosfos) of the chidush of Rav Sheshes and Rav Oshia that Beis Hillel permits חזרה even on Shabbos.

Review תוס’ דף לו: “וב”ה אומרים אף מחזירין (first half of Tosfos)

Questions:

According to Tosfos opinion that Beis Shamai prohibits Chazarah even on Friday 

Why is it prohibited to return food to the fire on Friday?

Is it prohibited to return food to the stove the entire Friday? 

Why does Beis Shammai prohibit Chazara even on a stove that is גרוף וקטום ?

See רש”י דף לו: “לא מחזירין

According to Chanania it is permitted to leave food that is half way cooked on a stove that is not גרוף וקטום. Yet in regards to chazarah Beis Hillel only permits Chazara on a stove that is גרוף וקטום. Why?

Learn ח’ ר”ן דף לו: “אין מחזירין

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=580

Continue learning the גמרא דף לח: “א”ר זריקא (seven lines from the top of the Amud) until the Mishna 

Review the גמרא דף לח. “ב”ה אומרין (two dots – bottom of the Amud) until דף לח: “א”ר זריקא (seven lines from the top of the Amud)

Questions:

What is the chidush of Rav Sheshes and Rav Oshia that Beis Hillel permits חזרה even on Shabbos? 

How does Rashi address this? (Breakdown the three components of Rashi)

Learn תוס’ דף לח: “אפילו

Learn תוס’ דף לו: “וב”ה אומרים אף מחזירין

How does Tosfos address this? 

Learn the גמרא דף לח. “ב”ה אומרין (two dots – bottom of the Amud) until the Mishna דף לח עמוד ב

Learn תוס’ דף לח: “אפילו

Learn תוס’ דף לח: “פינה

Write a summary of the four explanations we discussed last week of the question of the Gemara עבר ושהה מהו 

Rashi 

Tosfos

Rosh – explanation #1

Rosh – explanation #2

Learn ריף & ר”ן דף לח. “והיכא דעבר for another explanation.

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=582

Learn רמב”ם ה’ שבת פרק ג הלכה ט and the ראב”ד on the side of the רמב”ם 

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=17

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=18

Learn רשב”א “הא דאיבעיא for another explanation of the Gemara. 

https://hebrewbooks.org/pdfpager.aspx?req=40907&st=&pgnum=57

Learn the גמרא דף לח. “ב”ה אומרין (two dots – bottom of the Amud) until the Mishna דף לח עמוד ב

Learn תוס’ דף לח: “אפילו

Learn תוס’ דף לח: “פינה

Very quickly review the גמרא דף לח. “איבעיא להו (twelve lines from bottom of the Amud) until “ב”ה אומרין (two dots – bottom of the Amud)

Questions:

The Gemara above discussed the halacha if someone violates the prohibition of שהייה. What is the Gemara question now עבר ושהה מאי?

Learn תוס’ “עבר

Why does Rashi explain the question of the Gemara different than Tosfos? 

How does Rashi answer the question of Tosfos that the Gemara already ruled if one intentionally leaves food on the stove it is prohibited?

Learn מהרש”א על רש”י “עבר for an explanation 

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=453

Learn ר”ן דף לח. “והיכא דעבר who quoted the ראב”ד explanation that the מהרש”א says is the underpinning of Rashi. 

Learn רא”ש פרק ג’ סוף ס’ א “עבר ושהה who gives two other explanations to the Gemara. 

Learn רשב”א “הא דאיבעיא for another explanation of the Gemara. 

https://hebrewbooks.org/pdfpager.aspx?req=40907&st=&pgnum=57

https://hebrewbooks.org/pdfpager.aspx?req=40907&st=&pgnum=57

Very quickly review the גמרא דף לח. “איבעיא להו (twelve lines from bottom of the Amud) until “ב”ה אומרין (two dots – bottom of the Amud)

Questions:

The Gemara above discussed the halacha if someone violates the prohibition of שהייה. What is the Gemara question now עבר ושהה מאי?

Learn תוס’ “עבר

Why doesn’t Tosfos explain the question of the Gemara also according to חנניא when the food is cooked less than מאכל בן דרוסאי like Tosfos did above תוס’ לח. “שכח

See מהרש”א for an explanation 

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=453

Why does Rashi explain the question of the Gemara different than Tosfos? 

Learn רשב”א “הא דאיבעיא

https://hebrewbooks.org/pdfpager.aspx?req=40907&st=&pgnum=57