Category: Halacha

Very quickly review the גמרא דף לח: “בעי רב אשי פינה ממיחם למיחם  (line before the Mishna) 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?

Clarify how the explanation of רש”י “פינה is different than תוס’ “פינה 

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 

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

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

According to the Ran what is the Halacha in regards to returning the second kettle to the fire. Is it permitted or prohibited?

Halachic Conclusion:

What is the halachik conclusion of פינה ממיחם למיחם ?

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

See טור ס’ רנ”ג סעיף ב 

See beginning of שולחן ערוך ס’ רנ”ג סעיף ב 

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

Is the note of Rebbe Akiva Eiger arguing on the Magen Avraham or explaining the Magen Avraham?

Learn משנה ברורה ס’ רנ”ג ס”ק נה 

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

And שער הציון אות מז

The Ran says if one returns the contents back to the original pot it is possibly prohibited to return the pot to the fire as it is considered he placed the pot on the ground when placing it into the second pot. Why would this reasoning not prohibit returning the second pot itself to the fire?

See קובץ הלכות פרק כו הערה עג

According to the Mishna Berura is it permitted if the water is placed into a cup and then poured into the Crock-Pot?

See שמירת שבת כהלכתו פרק א הערה מט

According to the Magen Avraham is it permitted to add hot water directly from a hot water urn into a crock pot? 

See תוס’ דף לח: פינה 

Review 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 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 

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

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

Halachic Conclusion: for שהייה

One is permitted to leave a lot of food on stovetop that is not  גרוף וקטום if one places a raw piece of meat inside the pot shortly before Shabbos.

What is the cutoff point for it to be considered raw and not yet started cooking 

When one accepts Shabbos or shkia?

What is considered מאכל בן דרוסאי half way cooked or half time of cooking? 

I will send sources later see igros Moshe and chazon ish and shemiras Shabbos 

Halachic Conclusion: for שהייה

One is permitted to leave a lot of food on stovetop that is not  גרוף וקטום if one places a raw piece of meat inside the pot shortly before Shabbos.

What is the cutoff point for it to be considered raw and not yet started cooking 

When one accepts Shabbos or shkia?

What is considered מאכל בן דרוסאי half way cooked or half time of cooking? 

I will send sources later see igros Moshe and chazon ish and shemiras Shabbos 

Halachic conclusion הלכות שהייה

How do we conclude lhalacha? Do we rule like Rabanan or like Chanania?

Review שולחן ערוך ס’ רנ”ג סע’ א which brings two opinions.

Question:

According to which opinion does the מחבר conclude? 

Bring a proof 

Learn the Mishna Berura 

Is the רמ”א concluding the halcha is in accordance with Chanania or saying that if one follows the accepted Minhag like Chanania it is Ok, but really should follow like Rabanan?

Learn ביאור הלכה “ונהגו להקל כסברא אחרונה And הגהות חזון איש on the ביאור הלכה who argue what is the ruling of the רא”ש 

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=45

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=46

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=47

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

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

Halachic conclusion הלכות שהייה

How do we conclude lhalacha? Do we rule like Rabanan or like Chanania?

Complete learning the רא”ש פרק ג’ ס’ א who presents a lengthy discussion on the different opinions and how we conclude lhalacha. 

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=350

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=351

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

The רא”ש first brings the ruling of the רי”ף who rules like the Rabanan and all of the proofs of the רי”ף. (We went through most of those proofs when we learnt the  רי”ף)   The רא”ש then brings the opinion of רש”י and the ר”י who rules like Chanania. 

The רא”ש then quotes the בעל המאור who also rules like Chanania and refutes all the proofs of the רי”ף (we learnt some of the refutations in the ר”ן) 

The רא”ש then brings ר’ יהודה הברצלוני & שאילתות דרב אחאי גאון who rule like the רי”ף and goes through each refutation of the בעל המאור and explains why it is not a valid refutation. 

In conclusion the רא”ש says “ובשביל שרבו דעות בהאי פיסקא “

Questions: 

What is the רא”ש halachic conclusion? Does he rule like Chanania or really  rules like the Rabanan just says one can not object  to those who follow the ruling of Chanania?

Learn רמב”ם ה’ שבת פרק ג הלכה ד  

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=16

Does the Rambam rule like the Rabanan or like Chanania?

How do we conclude lhalacha?

Learn שולחן ערוך ס’ רנ”ג סע’ א which brings two opinions how to rule. 

According to which opinion does the מחבר conclude? 

Bring a proof 

Learn Mishna Berura 

Is the רמ”א concluding to like Chanania or saying that if one follows the accepted Minhag like Chanania it is Ok, but really should follow like Rabanan?

Learn ביאור הלכה “ונהגו להקל כסברא אחרונה And הגהות חזון איש on the ביאור הלכה who argue what is the ruling of the רא”ש 

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=45

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=46

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=47

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

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

Halachic conclusion הלכות שהייה

How do we conclude lhalacha? Do we rule like Rabanan or like Chanania?

Complete learning the רא”ש פרק ג’ ס’ א who presents a lengthy discussion on the different opinions and how we conclude lhalacha. 

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=350

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=351

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

The רא”ש first brings the ruling of the רי”ף who rules like the Rabanan and all of the proofs of the רי”ף. (We went through most of those proofs when we learnt the  רי”ף)   The רא”ש then brings the opinion of רש”י and the ר”י who rules like Chanania. 

The רא”ש then quotes the בעל המאור who also rules like Chanania and refutes all the proofs of the רי”ף (we learnt some of the refutations in the ר”ן) 

The רא”ש then brings ר’ יהודה הברצלוני & שאילתות דרב אחאי גאון who rule like the רי”ף and goes through each refutation of the בעל המאור and explains why it is not a valid refutation. 

In conclusion the רא”ש says “ובשביל שרבו דעות בהאי פיסקא “

Questions: 

What is the רא”ש halachic conclusion? Does he rule like Chanania or really  rules like the Rabanan just says one can not object  to those who follow the ruling of Chanania?

Learn רמב”ם ה’ שבת פרק ג הלכה ד  

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=16

Does the Rambam rule like the Rabanan or like Chanania?

How do we conclude lhalacha?

Learn שולחן ערוך ס’ רנ”ג סע’ א which brings two opinions how to rule. 

According to which opinion does the מחבר conclude? 

Bring a proof 

Learn Mishna Berura 

Is the רמ”א concluding to like Chanania or saying that if one follows the accepted Minhag like Chanania it is Ok, but really should follow like Rabanan?

Learn ביאור הלכה “ונהגו להקל כסברא אחרונה And הגהות חזון איש on the ביאור הלכה who argue what is the ruling of the רא”ש 

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=45

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=46

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=47

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

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

Quickly review  משנה דף לח: “תנור (middle of the Amud) and the Gemara until the next Mishna 

Questions:

In conclusion what is the Halacha of a תנור in regards to שהייה and חזרה?

How do we conclude lhalacha? Do we rule like Rabanan or like Chanania?

Learn רא”ש for lengthy discussion on the different opinions how we conclude lhalacha 

Quickly review  משנה דף לח: “תנור (middle of the Amud) and the Gemara until the next Mishna 

Questions:

Is the Mishna in accordance with the opinion of חנניא or the רבנן?

Learn תוס’ “תנור

What would the halacha be for a תנור if the Mishna is להשהות תנן?

Learn תוס’ ישנם on side of Tosfos 

Why does תוס’ ישנם say that a קדרה חייתא should be prohibited to leave on a תנור according to the Rabanan?

Learn גליון הש”ס on side of Tosfos which asks two major questions on Tosfos 

Learn משנה דף לח: “תנור (middle of the Amud) and the Gemara until the next Mishna 

Questions:

Why is it prohibited to leave food on a תנור that is fueled with קש & גבבא when they don’t produce coal to have a concern of שמא יחתה? 

May one leave food on a תנור if they are גרוף וקטום the items burning inside a תנור?

Learn רמב”ם ה’ שבת פרק ג הלכה ה & ו

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

Where does the Rambam know that גרוף וקטום will not help for a תנור ?

Learn כסף משנה הלכה ה

Why does קטום not help for a תנור – placing the ash on the coals indicates that he is not interested in increasing the heat?

Learn ערוך השולחן אורח חיים ס’ רנ”ג סע’ ה’ & ו

https://hebrewbooks.org/pdfpager.aspx?req=67694&st=&pgnum=43

https://hebrewbooks.org/pdfpager.aspx?req=67694&st=&pgnum=44

Is the Mishna in accordance with the opinion of חנניא or the רבנן?

Learn תוס’ “תנור

What would the halacha be for a תנור if the Mishna is להשהות תנן?

Learn תוס’ ישנם on side of Tosfos 

Why does תוס’ ישנם say that a קדרה חייתא should be prohibited to leave on a תנור according to the Rabanan?

Learn גליון הש”ס on side of Tosfos which asks two major questions on Tosfos 

Learn 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 רב ששת and רב אושיע 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 תוס’ דף לח: “פינה

Review the גמרא דף לז. “איבעיא להו until “ת”ש (fifth wide line) until 

גמרא דף לח. “איבעיא להו (twelve lines from bottom of the Amud) 
Question: Is the question of the Gemara whether סמיכה is permitted by שהייה or by חזרה? Learn תוס’ “מהו
If the question of the Gemara is in regards to חזרה what is the proof from the braissa which only discusses שהייה?
Learn רי”ף which brings a proof from this question that the halacha is like רבנןLearn רשב”א for a different explanation of the question of the Gemara 

Clarify the three explanations of the Gemara question 

1. Tosfos 

2. Rif

3. Rashba 

Review the first half of תוס’ “אא”ב and continue learning the rest of Tosfos 

Questions:

What’s the point of argument between Rashi and Tosfos?

What compelled Rashi to explain differently than the simple explanation offered by Tosfos? 

How can Rashi answer the questions of Tosfos?