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Conclusion  גמרא דף לח: “פינה ממיחם למיחם until the Mishna 

Practical cases

The one transfer the contents of a Crock-Pot into a second pot and return the second pot to the fire?

May one add hot water directly from a hot water urn into a crock pot? 

Is it permitted if the water is placed into a cup and then poured into the Crock-Pot?

What is the halachik conclusion of פינה ממיחם למיחם 

Learn מגן אברהם ס’ רנ”ג ס”ק כ

https://hebrewbooks.org/pdfpager.aspx?req=14325&st=&pgnum=25

And ה’ רע”א אות ז

Learn משנה ברורה ס’ רנ”ג ס”ק נה 

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=49

And שער הציון אות מז

According to the Ran If one transfered the contents of a pot to a second pot can the second pot be returned to the stovetop?

According to Tosfos 

With the return of the second part be permitted if the second pot is hot?

onclusion  גמרא דף לח: “פינה ממיחם למיחם until the Mishna 

Summarize the two answers of תוס’ “פינה and תוס’ ישנים as to 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

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? 

List the four answers to Tosfos question 

How many different explanations do we have as to why it might be prohibited to do Chazarah if transfered the contents of original pot to a new pot.

In conclusion is it required to have the conditions of עודה בידו and דעתו להחזיר  in order to return pot on to a stovetop?

Is placing the pot on a peg or on bed considered עודה בידו ?

If one transfered the contents of the original pot to a new pot can the second pot be returned to the stovetop?

Learn ר”ן דף יז: דפי הריף “לא שנו 

Learn רא”ש ס’ ב last two lines

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=352

Learn רמב”ם ה’ שבת פרק ג הלכה י 

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

Review the גמרא דף לח: “פינה ממיחם למיחם 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 יחתה 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? 

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?