Category: Gemara

Rabbi Baruch Bodenheim: Gemara Shabbos: Perek Kirah: Muktza יום שלישי, Elul 19 דף מז. (09/01/26) – Sugya: בסיס

Sugya: בסיס

Discussing the גמרא דף מז. “א”ר זירא (second line of the Amud) until “לוי בר שמואל”

The גמרא דף קמב states when a basket contains fruits and a rock although the basket is not a Bosis one must first shake out the rock before moving the basket. 

Question:

Why in the case of the pan and the ashes does the broken pieces of wood not have to be shaken out?

Learn ריטב”א “הכא נמי

https://hebrewbooks.org/pdfpager.aspx?req=14349&st=&pgnum=219

Learn שו”ע ס’ שי סע’ ח

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=233

Questions

When do we consider a בסיס לדבר האסור ומותר as a base to the non Muktzah and not reverse?

Learn תוס’ “בגלילא

Learn טור ס’ ש”י סע’ ח and the בית יוסף

https://hebrewbooks.org/pdfpager.aspx?req=14268&st=&pgnum=16

https://hebrewbooks.org/pdfpager.aspx?req=14268&st=&pgnum=17

Is חשוב defined by how the public relates to the item or the individual?

Learn שולחן ערוך ס’ ש”י סע’ ח

And משנה ברורה ס”ק לג

What determines what is חשוב? Is it value or need?

Learn משנה ברורה ס”‘ רעז ס”‘ק יח

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=121

And אגרות משה אורח חיים ח”ה ס’ כב’ אות יז

https://hebrewbooks.org/pdfpager.aspx?req=922&st=&pgnum=118

See שולחן שלמה ס’ ש”ח ס”ק כח אות ג who gives a different definition then the משנה ברורה and אג”מ

The classic example to ensure a table is not a בסיס to candlesticks is to leave challah on the table for the period of bein hashmashos at the beginning of Shabbos. 

Question:

According to Reb Shlomo Zalman why does that help wouldn’t rather give up the challah than the expensive candlesticks? 

See אורחת שבת חלק ב פרק יט הערה תי”ד for an answer 

Rabbi Baruch Bodenheim: Gemara Shabbos: Muktza Monday night shiur, Elul 19, Daf 44a (08/31/26)

Learn משנה דף מד and the גמרא until “א”ר זירא (two lines before the wide lines)

There are many points and disputes in this sugya.

Questions: 

Why is a נר ישן של חרס Muktzah?

What is the point of dispute between ר”י & ר”ש in regards to מוקצה מחמת מיאוס?

According to ר”מ why does a lantern that was lit when Shabbos started remain Muktzah for the entire Shabbos even after the flame went out?

Why does ר”ש agree that a כוס קערה ועששית remains Muktzah for the entire Shabbos even after the flame went out?

Learn ריטב”א 

https://hebrewbooks.org/pdfpager.aspx?req=14349&st=&pgnum=198

Does רבי אליעזר בן רבי שמעון also agree that a כוס קערה ועששית remains Muktzah for the entire Shabbos even after the flame went out?

Learn ח’ ר”ן 

https://hebrewbooks.org/pdfpager.aspx?req=40873&st=&pgnum=55

What is the point of dispute between ר”ש & רבי אליעזר בן רבי שמעון in regards to the oil that drips out of the lantern while the flame is still burning?

Learn רשב”א

https://hebrewbooks.org/pdfpager.aspx?req=40907&st=&pgnum=65

Learn ח’ ר”ן

Rabbi Baruch Bodenheim: Gemara Shabbos: Perek Kirah: Muktza – יום שני, Elul 18 דף מז. (08/31/26) – Sugya: בסיס

Sugya: בסיס 

Very quickly review גמרא דף מז. “א”ר זירא (second line of the Amud) until “לוי בר שמואל”

Question:

Does the Muktzah item that creates the Bosis have to be more valuable than the Bosis?

Are there Muktzah items that will not create a Bosis? 

Learn תוס’ “ואמר

Learn תוס’ “הוה

Learn משנה ברורה ס’ ש”י ס”ק לא

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=233 

The גמרא דף קמב states when a basket contains fruits and a rock although the basket is not a Bosis one must first shakeout the rock before moving the basket. 

Why in the case of the pan and the ashes does the broken pieces of wood not have to be shaken out?

Learn ריטב”א

https://hebrewbooks.org/pdfpager.aspx?req=14349&st=&pgnum=219

See שו”ע ס’ שי סע’ ח

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=233

When do we consider a בסיס לדבר האסור ומותר as a base to the non Muktzah and not reverse?

Learn תוס’ “בגלילא

See טור ס’ ש”י סע’ ח and the בית יוסף

https://hebrewbooks.org/pdfpager.aspx?req=14268&st=&pgnum=16

https://hebrewbooks.org/pdfpager.aspx?req=14268&st=&pgnum=17

Is חשוב defined by how the public relates to the item or the individual?

Learn שולחן ערוך ס’ ש”י סע’ ח

And משנה ברורה  ס”ק לג

What determines what is חשוב? Is it value or need?

Learn משנה ברורה ס”‘ רעז ס”‘ק יח

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=121

And אגרות משה אורח חיים ח”ה ס’ כב’ אות יז

https://hebrewbooks.org/pdfpager.aspx?req=922&st=&pgnum=118

See  שולחן שלמה ס’ ש”ח ס”ק כח אות ג who gives a different definition then the משנה ברורה and אג”מ

The classic example to ensure a table is not a בסיס to candlesticks is to leave challah on the table for the period of bein hashmashos at the beginning of Shabbos. 

Question:

According to Reb Shlomo Zalman why does that help wouldn’t rather give up the challah than the expensive candlesticks? 

See אורחת שבת חלק ב פרק יט הערה תי”ד for an answer 

Rabbi Baruch Bodenheim: Gemara Shabbos: Perek Kirah: Muktza – יום חמישי, Elul 14 דף מז. (08/27/26) – Sugya: בסיס

Sugya: בסיס 

Very quickly review גמרא דף מז. “א”ר זירא (second line of the Amud) until “לוי בר שמואל”

Learn תוס’ “ואמר

Learn תוס’ “הוה

See גמרא דף קמב which states when a basket contains fruits and a rock although the basket is not a Bosis one must first shake out the rock before moving the basket. 

Why in the case of the pan and the ashes does the broken pieces of wood not have to be shaken out ?

Learn ריטב”א

https://hebrewbooks.org/pdfpager.aspx?req=14349&st=&pgnum=219

See שו”ע ס’ שי סע’ ח

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=233

Learn תוס’ “בגלילא

When do we consider a בסיס לדבר האסור ומותר as a base to the non Muktzah and not reverse?

See טור ס’ ש”י סע’ ח and the בית יוסף

https://hebrewbooks.org/pdfpager.aspx?req=14268&st=&pgnum=16

https://hebrewbooks.org/pdfpager.aspx?req=14268&st=&pgnum=17

See שו”ע  and משנה ברורה ס”ק לג

Also משנה ברורה ס”‘ רעז ס”‘ק יח

https://hebrewbooks.org/pdfpager.aspx?req=60388&st=&pgnum=121

Rabbi Baruch Bodenheim: Gemara Shabbos: Muktza – Wednesday night shiur, Elul 14 – Daf 44 (08/26/26)

Quickly review תוס’ דף מב: “ואין

Is the oil Muktza to move or just prohibited to use?

Learn מהרש”א on Tosfos 

According to ר”ש is the oil that drips out while the lantern is still burning just Muktza in regards to using the oil or also Muktzah for moving? 

Learn גליון הש”ס on Tosfos 

What is the point of dispute between the מהרש”א on “תוס’ דף מב: “אין and the גליון הש”ס on Tosfos?

List the different reasons why the oil is Muktzah and the נפקא מינה between the reasons 

Learn משנה דף מד and the גמרא until “א”ר זירא (two lines before the wide lines)

There are many points and disputes in this sugya.

Questions

Why is a נר ישן של חרס Muktzah?

What is the point of dispute between ר”י & ר”ש in regards to מוקצה מחמת מיאוס?

According to ר”מ why does a lantern that was lit when Shabbos started remain Muktzah for the entire Shabbos even after the flame went out?

Why does ר”ש agree that a כוס קערה ועששית remains Muktzah for the entire Shabbos even after the flame went out?

Learn ריטב”א 

https://hebrewbooks.org/pdfpager.aspx?req=14349&st=&pgnum=198

Does רבי אליעזר בן רבי שמעון also agree that a כוס קערה ועששית remains Muktzah for the entire Shabbos even after the flame went out?

Learn ח’ ר”ן 

https://hebrewbooks.org/pdfpager.aspx?req=40873&st=&pgnum=55

What is the point of dispute between ר”ש & רבי אליעזר בן רבי שמעון in regards to the oil that drips out of the lantern while the flame is still burning?

Learn רשב”א

https://hebrewbooks.org/pdfpager.aspx?req=40907&st=&pgnum=65

Learn ח’ ר”ן

Rabbi Baruch Bodenheim: Gemara Shabbos: Perek Kirah: Muktza יום רביעי, Elul 13 דף מז. (08/26/26) – Sugya: בסיס

Sugya: בסיס 

Review גמרא דף מז. “א”ר זירא (second line of the Amud) until “לוי בר שמואל”

Questions:

What concepts of Bosis is conveyed in this Gemara?

Why in the הוה אמינא of the Gemara did the Gemara believe one may not move a pan with ashes?

What switched in the conclusion of the Gemara that one is permitted to move a pan with ashes?

Learn תוס’ “ואמר

Learn תוס’ “הוה

See גמרא דף קמב which states when a basket contains fruits and a rock although the basket is not a Bosis one must first shake out the rock before moving the basket. 

Why in the case of the pan and and the ashes does the broken pieces of wood not have to be shaken out ?

Learn ריטב”א 

See שו”ע ס’ שי סע’ ח 

Learn תוס’ “בגלילא

When do we consider a בסיס לדבר האסור ומותר as a base to the non Muktzah and not reverse?

See טור ס’ ש”י סע’ ח and the בית יוסף 

See שו”ע  and משנה ברורה ס”ק לג

Also משנה ברורה ס”‘ רעז ס”‘ק יח

Rabbi Baruch Bodenheim: Gemara Shabbos: Perek Kirah: Muktza – יום שלישי, Elul 12 דף מז. (08/25/26) – Sugya: בסיס

Sugya: בסיס 

Learn גמרא דף מז. “א”ר זירא (second line of the Amud) until “לוי בר שמואל”

Why in the הוה אמינא of the Gemara did the Gemara believe one may not move a pan with ashes?

What switched in the conclusion of the Gemara that one is permitted to move a pan with ashes?

Why does רש'”י “הא ליכא פירי need to establish this Gemara according to ר”י? Why would it not be Muktzah even according to ר”ש as he also holds of the concept of Bosis as stated in the Gemara above why a lit lantern is Muktzah as it is a bosis to the flame?

Learn מהרש”א

Learn תוס’ “לי

What concepts of Bosis is conveyed in this Gemara?

Learn תוס’ “ואמר

Learn תוס’ “הוה

Rabbi Baruch Bodenheim: Gemara Shabbos: Muktza – Monday night shiur, Elul 12 – Daf 44 (08/24/26)

Learn גמרא דף מד. “אין נאותים until the Mishna 

Learn תוס’ דף מד.”שבנר

Learn תוס’ דף מב: ואין

Is the oil Muktza to move or just prohibited to use?

Learn מהרש”א on Tosfos 

According to ר”ש is the oil that drips out while the lantern is still burning just Muktza in regards to using the oil or also Muktzah for moving? 

Learn גליון הש”ס on Tosfos 

What is the point of dispute between the מהרש”א on תוס’ דף מב: “אין and the גליון הש”ס on Tosfos?

List the different reasons why the oil is Muktzah and the נפקא מינה between the reasons 

Learn משנה דף מד and the גמרא until “אבל כוס קערה ועששית (middle of the Amud)

Rabbi Baruch Bodenheim: Gemara Shabbos: Perek Kirah: Muktza – יום שני, Elul 11 דף מז. (08/24/26)

Summarize the three different explanations as to why a flame is Muktzah. 

1. The חזו”א או”ח ס’ מא אות טז 

2. The ח’ מנחת שלמה ס’ כה 

3. The אגרות משה אורח חיים ח”ג ס’ נ

https://hebrewbooks.org/pdfpager.aspx?req=919&st=&pgnum=347

https://hebrewbooks.org/pdfpager.aspx?req=919&st=&pgnum=348 

Based on the above different reasons are the following items Muktzah? (See אורחת שבת חלק ב פרק יט סע’ קפ והערה רמא)

Electric Light 

Flashlight

Crock Pot, Hot water urn

Electric Light

See ספר טלטולי שבת from Rabbi Pinchos Bodner in the back of the Sefer this question to Rav Moshe Feinstein zt”l תשובות להגאון ר’ משה פיינשטיין זצ”ל אות יא

See שמירת שבת כהלכתה פרק יג הערה ק”ג

And אורחת שבת חלק ב פרק יט סע’ קפא והערה רמג

Electric blanket

Learn אג”מ או”ח ח”ג ס’ נ (just the first four paragraphs)

Crock Pot, Hot water urn

See ספר טלטולי שבת from Rabbi Pinchos Bodner in the back of the Sefer this question to Rav Moshe Feinstein zt”l תשובות להגאון ר’ משה פיינשטיין זצ”ל אות יא

And אורחת שבת חלק ב פרק יט סע’ קפב & קפג והערה רמד-רמו

Learn אג”מ חלק ד ? & ה

Learn גמרא דף מז. “א”ר זירא (second line of the Amud) until “אמר אביי קרטין דבי רבי”

Rabbi Baruch Bodenheim: Gemara Shabbos: Perek Kirah: Muktza – יום חמישי, Elul 7 דף מז. (08/20/26)

Learn the גמרא דף מז. “אלא” אמר רבא until דף מז. ” א”ר זירא 

Question:

Why is a flame Muktzah? 

We learnt the חזו”א או”ח ס’ מא אות טז who says it is muktzah because it is designated to remain in one place.

Question:

But a regular lantern is portable?

See paragraph “ואפשר לדעת רע”א” for a new reason 

https://hebrewbooks.org/pdfpager.aspx?req=14336&st=&pgnum=126

https://hebrewbooks.org/pdfpager.aspx?req=14336&st=&pgnum=127

See ח’ מנחת שלמה ס’ כה for a new reason?

And אגרות משה אורח חיים ח”ג ס’ נ for another reason

https://hebrewbooks.org/pdfpager.aspx?req=919&st=&pgnum=347

https://hebrewbooks.org/pdfpager.aspx?req=919&st=&pgnum=348

Based on the above different reasons, is an electric light muktzah? Flashlight? Crock Pot? Electric blanket?  

See ספר טלטולי שבת בת’ לאג”מ

and אג”מ חלק ד ? & ה