Category: Morning Chabura

Rabbi Baruch Bodenheim: Pesach Sugya: Maggid, יום רביעי, Nissan 11 (04/09/25)

Learn גמרא פסחים דף קטז “אמר רב נחמן לדרו עבדיה  (before the second Mishna)

How did this exempt them from saying the mah nishtana? 

See ברכת אברהם 

https://hebrewbooks.org/pdfpager.aspx?req=47539&st=&pgnum=192&hilite=

Learn הגדה גר”א explanation on הא לחמא עניא 

https://hebrewbooks.org/pdfpager.aspx?req=3889&st=&pgnum=14

Learn מהר”ל גבורות ה’ פרק א

https://hebrewbooks.org/pdfpager.aspx?req=10674&st=&pgnum=8

What is the connection between the paragraph in the Hagadah “בכל דור ודור חייב after pesach, matzah and maror to the paragraph of לפיכך 

The paragraph of לפיכך concludes with the words ונאמר לפניו שירה חדשה . 

is this referring to a song that will be sung in the future or a song that we will sing now?

See משנה ברורה ס’ תע”ג ס”ק עא

https://hebrewbooks.org/pdfpager.aspx?req=60390&st=&pgnum=173

Learn עמק ברכה הגדה אות ג

Learn מהר”ל גבורות ה’ פרק ג

https://hebrewbooks.org/pdfpager.aspx?req=3889&st=&pgnum=16

Rabbi Baruch Bodenheim: Pesach Sugya: Maggid, יום שלישי, Nissan 10 (04/08/25)

Review עמק ברכה, הגדה אות א or חידושי ר’ חיים פסחים דף קטז which explains there are three aspects unique to the mitzvah of סיפור יציאת מצרים on Seder night.

List a few נפקא מינה between the reason of Tosfos and the reason of Rambam 

Is there a connection between these three aspects?

Learn גמרא פסחים דף קטז “אמר רב נחמן לדרו ( עבדיה  (before the second Mishna)

How did this exempt them from saying the mah nishtana? 

See ברכת אברהם 

https://hebrewbooks.org/pdfpager.aspx?req=47539&st=&pgnum=192&hilite=

Learn מהר”ל גבורות ה’ פרק א

https://hebrewbooks.org/pdfpager.aspx?req=3889&st=&pgnum=14

Learn הגדה גר”א explanation on הא לחמא עניא

https://hebrewbooks.org/pdfpager.aspx?req=10674&st=&pgnum=8

What is the connection of the Mitzvos on Seder night to the concept the mitzvah of Maggid?

Rabbi Baruch Bodenheim: Pesach Sugya: Magid – Pesachim 116a, יום שני, Nissan 9 (04/07/25)

Review first half of  משנה פסחים דף קטז  (bottom of the Amud) 

Question:

Why does one need to say the reasons for the Mitzvos of פסח, מצה, מרור 

Learn תוס’ “ואמרתם 

See מהרש”א ח’ אגדות first line

https://hebrewbooks.org/pdfpager.aspx?req=37955&st=&pgnum=355https://hebrewbooks.org/pdfpager.aspx?req=37955&st=&pgnum=355

See כל בו ס’ נא

https://hebrewbooks.org/pdfpager.aspx?req=10674&st=&pgnum=25

Learn רמב”ם הלכות פסח פרק ז הלכות א-ז

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=246

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=247

Questions:

Why does the Rambam cite the pasuk זכור את היום הזה אשר יצאתם ממצרים as the source for the mitzvah of סיפור יציאת מצרים on Seder night and not the pasuk of והגדת לבנך? 

Is the mitzvah of סיפור יציאת מצרים to ones child an independent mitzvah or part of the mitzvah of סיפור יציאת מצרים?

Learn רמב”ם ספר המצות עשה קנ”ז

https://hebrewbooks.org/pdfpager.aspx?req=14273&st=&pgnum=206&hilite=

Learn עמק ברכה, הגדה אות א or חידושי ר’ חיים פסחים דף קטז which explains there are three aspects unique to the mitzvah of סיפור יציאת מצרים on Seder night.

List a few נפקא מינה between the reason of Tosfos and the reason of Rambam 

Is there a connection between these three aspects?

Learn גמרא פסחים דף קטז “אמר רב נחמן לדרו ( עבדיה  (before the second Mishna)

How did this exempt them from saying the mah nishtana? 

See ברכת אברהם

https://hebrewbooks.org/pdfpager.aspx?req=47539&st=&pgnum=192&hilite=

Learn מהר”ל גבורות ה’ פרק א

Rabbi Baruch Bodenheim: Pesach Sugya: Magid – Pesachim 116a, יום חמישי , Nissan 5 (04/03/25)

Review first משנה פסחים דף קטז (middle of the Amud) and Gemara until the next Mishna. 

https://hebrewbooks.org/shas.aspx?mesechta=4&daf=116&format=pdf

Questions:

Where is the source of מתחיל בגנות ומסיים בשבח to start discussing the low points of our origins and conclude with the high points? And why? 

What did the question that Rav Nachman asked his servant and the answer the servant gave exempt Rav Nachman from?

Is the מה נשתנה part of מגיד?

Learn גמרא פסחים דף קטו: “למה עוקרין את השולחן  (ten lines from bottom of the Amud) until the two dots.

Learn תוס’ כדי

See רשב”ם דף קטז “וכאן הבן שואל 

Learn משנה פסחים דף קטז  (bottom of the Amud) 

Why does one need to say the reasons for the Mitzvos of פסח, מצה, מרור 

Learn תוס’ “ואמרתם 

Learn רמב”ם הלכות פסח פרק ז הלכות א-ז

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=246

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=247

Question:

Why does the Rambam cite the pasuk זכור את היום הזה אשר יצאתם ממצרים as the source for the mitzvah of סיפור יציאת מצרים on Seder night and not the pasuk of והגדת לבנך? 

Is the mitzvah of סיפור יציאת מצרים to ones child an independent mitzvah or part of the mitzvah of סיפור יציאת מצרים?

Bring a proof  

Rabbi Baruch Bodenheim: Pesach Sugya: Magid – Pesachim 116a, יום רביעי, Nissan 4 (04/02/25)

Review first משנה פסחים דף קטז (middle of the Amud) and Gemara until the next Mishna. 

https://hebrewbooks.org/shas.aspx?mesechta=4&daf=116&format=pdf

Questions:

Where is the source of מתחיל בגנות ומסיים בשבח to start discussing the low points of our origins and conclude with the high points? And why? 

What did the question that Rav Nachman asked his servant and the answer the servant gave exempt Rav Nachman from?

Is the מה נשתנה part of מגיד?

Learn גמרא פסחים דף קטו: “למה עוקרין את השולחן  (ten lines from bottom of the Amud) until the two dots.

Learn תוס’ כדי

See רשב”ם דף קטז “וכאן הבן שואל 

Learn משנה פסחים דף קטז  (bottom of the Amud) 

Why does one need to say the reasons for the Mitzvos of פסח, מצה, מרור 

Learn תוס’ “ואמרתם 

Learn רמב”ם הלכות פסח פרק ז הלכות א-ז

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=246

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=247

Question:

Why does the Rambam cite the pasuk זכור את היום הזה אשר יצאתם ממצרים as the source for the mitzvah of סיפור יציאת מצרים on Seder night and not the pasuk of והגדת לבנך? 

Is the mitzvah of סיפור יציאת מצרים to ones child an independent mitzvah or part of the mitzvah of סיפור יציאת מצרים?

Bring a proof  

Rabbi Baruch Bodenheim: Pesach Sugya: Magid – Pesachim 116a, יום שלישי, Nissan 3 (04/01/25)

Learn first משנה פסחים דף קטז (middle of the Amud) and Gemara until the next Mishna. 

Questions:

Does the מה נשתנה need to be asked?

Bring a proof

Why is one required to start discussing the low points of our origins and conclude with the high points? 

What’s is the dispute between רב & שמואל in regards at which point in the Hagadah is considered מתחיל בגנות?

What did the question that Rav Nachman asked his servant and the answer the servant gave exempt Rav Nachman from?

Learn משנה פסחים דף קטז  (bottom of the Amud) 

Why does one need to say the reasons for the Mitzvos of פסח, מצה, מרור 

Learn תוס’ “ואמרתם 

Learn רמב”ם הלכות פסח פרק ז הלכות א-ז

Rabbi Baruch Bodenheim: Pesach Sugya, יום חמישי Nissan 10 Sugya – Afikomen (04/18/24)

Sugya: אפיקומן 

We learnt a machlokes between the Rashbam and the Rosh of why we eat matzah for the “Afikomen”?

List the נפקא מינות להלכה we detailed between the Rashbam and the Rosh?

Questions:

How do we conclude l’halacha?

Learn שולחן ערוך אורח חיים ס’ תע”ז סע’ א 

How much Matzah does one need to eat for Afikomen? 

See מגן אברהם ס”ק א 

And משנה ברורה ס”ק א 

Does one need to recline when eating the Afikomen? 

Does one who forgets to recline when eating the Afikomen need to eat the Afikomen again in a reclining position?

See משנה ברורה ס”ק  ד 

And  שער הציון אות ג

The answer that is given to the question of the chacham in the haggadah is אין מפטירין אחר הפסח אפיקומן 

How does that answer his question? 

Rabbi Baruch Bodenheim: Pesach Sugya, יום שני Nissan 7 Sugya – Afikomen (04/15/24)

Sugya: אפיקומן 

Why do we eat the אפיקומן?

Learn משנה פסחים דף קיט עמוד ב and the Gemara until “לימא מסייע ליה

Focus on רשב”ם דף קיט: “אין מפטירין אחר המצה אפיקומן 

Questions:

According to the רשב”ם what is the reason we eat the אפיקומן?

Learn רא”ש פרק י ס’ לד starting from “פ’ רשב”ם 

Clarify the question the רא”ש asks on the רשב”ם 

According to the רא”ש what is the reason we eat the אפיקומן?

Rabbi Baruch Bodenheim: Gemara Eruvin: First Perek, יום רביעי Elul 6, Daf 14b (08/23/23)

Review the “גמרא דף יד: “ועוביין כל שהוא until “תנא עשה לחי”

Questions:

Why is the Gemara questioning how big is a כל שהוא; the words mean any little amount?

See “ריטב”א דף יד: “וכמה כל שהוא

https://hebrewbooks.org/pdfpager.aspx?req=37287&st=&pgnum=22

Is there a minimum width of a Lechi?

Learn תוס’ דף פ: “אבל קורה

https://hebrewbooks.org/shas.aspx?mesechta=3&daf=80b&format=pdf

Learn מרדכי ס’ תפ”ב who brings the opinion of the מהר”ם מרטנבורג that a vertical line of plaster 10 tefachim tall qualifies as a Lechi and a צורת הפתח

https://hebrewbooks.org/pdfpager.aspx?req=14312&st=&pgnum=397

Questions:

Is there a minimum width to the vertical posts of a צורת הפתח? 

Does the Lechi need to be strong enough to support a brick – אריח? 

The מרדכי brings the opinion of the מהר”ם מרטנבורג that a vertical line of plaster 10 tefachim tall qualifies as a צורת הפתח. Why is this acceptable? A flat thin layer of plaster is not strong enough to support a door made out of straw which is qualification for the vertical posts a צורת הפתח?

Learn תרומת הדשן ס’ עד (corrected source)

https://hebrewbooks.org/pdfpager.aspx?req=14655&st=&pgnum=32

https://hebrewbooks.org/pdfpager.aspx?req=14655&st=&pgnum=33

Learn בית יוסף ס’ שס”ג סע’ ז

https://hebrewbooks.org/pdfpager.aspx?req=14268&st=&pgnum=132

Does a vertical line of paint 10 tefachim tall qualify as a Lechi? 

See משנה ברורה ס’ שס”ג ס”ק כו

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=57

Learn בית יוסף ס’ שס”ג סע’ ז

https://hebrewbooks.org/pdfpager.aspx?req=14268&st=&pgnum=132

Does a vertical line of paint 10 tefachim tall qualify as a Lechi? 

See משנה ברורה ס’ שס”ג ס”ק כו

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=57

Halachic Conclusion:

Learn שולחן ארוך או”ח ס’ שס”ג סע’ ז with the משנה ברורה 

See שער הציון ס’ שס”ג אות כב

Learn the “גמרא דף יד: “תנא עשה לחי until the bottom of the Amud 

Rabbi Baruch Bodenheim: Gemara Eruvin: First Perek, יום שלישי Elul 5, Daf 14b (08/22/23)

Very quickly review the גמרא דף יד. “תני רבי חייא  (second to last line) until the משנה דף יד עמוד ב 

Learn the משנה דף יד עמוד ב and the Gemara until “תנא עשה לחי

See ריטב”א 

https://hebrewbooks.org/pdfpager.aspx?req=37287&st=&pgnum=22

Question:

Is there a minimum width of a Lechi?

Learn תוס’ דף פ: “אבל קורה

https://hebrewbooks.org/shas.aspx?mesechta=3&daf=80b&format=pdf

See מרדכי ס’ תפ”ב

https://hebrewbooks.org/pdfpager.aspx?req=14312&st=&pgnum=397

See תהלה לדוד ס’ עד

And בית יוסף ס’ שס”ג סע’ ז

https://hebrewbooks.org/pdfpager.aspx?req=14268&st=&pgnum=132

Rabbi Baruch Bodenheim: Gemara Eruvin: First Perek, יום שני Elul 4, Daf 14a-14b (08/21/23)

Review the גמרא דף יד. “היתה של קש (two dots – second medium line) until the משנה דף יד עמוד ב 

Question:

The Gemara is very exacting with the mathematical calculation of the ratio of the circumference of a circle to the diameter (3:1) taking into consideration the thickness of the walls of the basin. 

How could this be when the real ratio of the circumference of a circle to the diameter is pi (3.14:1)?

Learn תוס’ “והאיכא

See פ’ משניות לרמב”ם

https://hebrewbooks.org/pdfpager.aspx?req=14312&st=&pgnum=254

And תוספת יום טוב says since קורה is only required mdrabanan they are lenient even to consider the width of tefach even though it is a little narrower.

https://hebrewbooks.org/pdfpager.aspx?req=9678&st=&pgnum=152

Learn רש”ש  who asks what about the opinion that lechi and Korah is a Halacha Lmoshe M’sinai?

https://hebrewbooks.org/pdfpager.aspx?req=14312&st=&pgnum=299

Learn שער הציון או”ח ס’ שע”ב אות יח

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=97

And חזון איש או”ח ס’ קלח אות ד

https://hebrewbooks.org/pdfpager.aspx?req=14336&st=&pgnum=458

https://hebrewbooks.org/pdfpager.aspx?req=14336&st=&pgnum=459

Learn the משנה דף יד עמוד ב and the Gemara until “תנא עשה לחי

See ריטב”א

https://hebrewbooks.org/pdfpager.aspx?req=37287&st=&pgnum=22

Question:

Is there a minimum width of a Lechi?

Learn

תוס’ דף פ: “אבל קורה

https://hebrewbooks.org/shas.aspx?mesechta=3&daf=80b&format=pdf

See מרדכי ס’ תפ”ב

https://hebrewbooks.org/pdfpager.aspx?req=14312&st=&pgnum=397

See תהלה לדוד ס’ עד

And בית יוסף ס’ שס”ג סע’ ז

https://hebrewbooks.org/pdfpager.aspx?req=14268&st=&pgnum=132

Rabbi Baruch Bodenheim: Gemara Eruvin: First Perek, יום חמישי Rosh Chodesh Elul, Daf 14a-14b (08/17/23)

Very quickly review the גמרא דף יד. “ר’ יהודה אומר (three lines before the medium size lines) until “עגולה” (two dots – sixth line from bottom of the Amud) 

Questions:

Why according to the Rabanan does a קורה which is four tefachim wide not need to be strong enough to support a brick?

Is a four tefachim wide קורה made from straw or twigs kosher?

Learn ביאור הלכה ס’ שס”ג סע’ י”ז “חזקה

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=60

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=61

According to the opinion of the Shulchan Aruch סע’ כב that two קורות combined can only be maximum one tefach apart from one another. Could they combine to create a קורה which is four tefachim wide and therefore be allowed to be 2 1/2 tefachim apart from one another ? 

Learn ביאור הלכה ס’ שס”ג סע’ כב “בתוך טפח 

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=61

What if the physical material of the קורות total four tefachim but there are gaps in between?

See השגת חזון איש 

Questions on the Gemara earlier on the Amud

The Gemara brought a scenerio where a mat is placed over a קורה and the mat is suspended in the air 3 tefachim or more from the ground. The קורה is disqualified because it is not visible and the mat does not serve as a mechitza since there is a gap of three tefachim between it and the ground. 

According to the opinion of קורה משום מחיצה why should it matter that the קורה is not visible it should still function as a mechitza?

Learn ריטב”א

Why can’t the mat itself be considered a קורה?

Learn ריטב”א דף יד “קורה אין כאן

And רשב”א “הניח קורה

How is it possible to have an opinion of קורה משום מחיצה as the mechitza is suspended above three tefachim from the ground?

Learn ריטב”א דף יד “מחיצה אין כאן

And ח’ מאירי דף יד “ויש שנשאלו  

How could a Lechi be considered a mechitza when animals are able to walk right past it? 

Learn the גמרא דף יד. “עגולה  (two dots – sixth line from bottom of the Amud) until the משנה דף יד עמוד ב 

Question:

The Gemara is very exacting with the mathematical calculation of the ratio of the circumference of a circle to the diameter (3:1) taking into consideration the thickness of the walls of the basin. 

How could this be when the real ratio of the circumference of a circle to the diameter is pi (3.14:1)?

Learn תוס’ “והאיכא

See פ’ משניות לרמב”ם

And תוספת יום טוב says since קורה is only required mdrabanan they are lenient even to consider the width of tefach even though it is a little narrower.

Learn רש”ש  who asks what about the opinion that lechi and Korah is a Halacha Lmoshe M’sinai? 

Learn שער הציון או”ח ס’ שע”ב אות יח

And חזון איש או”ח ס’ קלח אות ד 

Rabbi Baruch Bodenheim: Gemara Eruvin: First Perek, יום רביעי Av 29, Daf 14a-14b (08/16/23)

Conclusion of Sugya: “קורות אחת למעלה ואחת למטה 

Do the Rabanan (Mishna 13b) who disqualify קורה that is not בריאה לקבל אריח also permit two קורות at different height elevations? 

Machlokes between רא”ש ס’ יח’ (in middle) and ריטב”א דף יד. “ר’ יוסי בר’ יהודה  

https://hebrewbooks.org/pdfpager.aspx?req=37287&st=&pgnum=22

Tosfos ( דף יד. “ובלבד) quotes the Gemara Sukkah which limits the height distance between two קורות which are less than a tefach wide to three tefachim 

Learn רמב”ם ה’ שבת פרק י”ז הלכה כה with the מגיד משנה who explains the Rambam argues on Toafos and permits the two קורות that are at different elevations even with distance greater then three tefachim.

Question:

The Rambam in Hilchos Sukkah rules that pieces of schach less than a tefach each that are place at different height elevations can not combine if the distance between them is greater then three tefachim?

Learn כסף משנה for a different explanation in the Rambam plus an answer to this question.

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=77

How do we conclude lhalacha?

Learn שולחן ארוך ס’ שס”ג סע’ כג 

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=61

Review the גמרא דף יד. “ר’ יהודה אומר (three lines before the medium size lines) until “עגולה” (two dots – sixth line from bottom of the Amud) 

Questions:

Why according to the Rabanan does a קורה which is four tefachim wide not need to be strong enough to support a brick?

Is a four tefachim wide קורה made from straw or twigs kosher?

Learn ביאור הלכה ס’ שס”ג סע’ י”ז “חזקה

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=60

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=61

According to the opinion of the Shulchan Aruch סע’ כב that two קורות combined can only be maximum one tefach apart from one another. Could they combine to create a קורה which is four tefachim wide and therefore be allowed to be 2 1/2 tefachim apart from one another ? 

Learn ביאור הלכה ס’ שס”ג סע’ כב “בתוך טפח 

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=61

What if the physical material of the קורות total four tefachim but there are gaps in between?

See השגת חזון איש 

Continue learning the גמרא דף יד. “עגולה  (two dots – sixth line from bottom of the Amud) until “תני ” (second to last line from bottom of the Amud)

Continue learning the Gemara until the משנה דף יד עמוד ב 

Rabbi Baruch Bodenheim: Gemara Eruvin: First Perek, יום שלישי Av 28, Daf 14a (08/15/23)

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Review גמרא דף יד “היו אחת למעלה (thirteen lines before the medium lines) until the two dots (two lines before the medium size lines)

Do the Rabanan (Mishna 13b) who disqualify קורה that is not בריאה לקבל אריח also permit two קורות at different height elevations? 

Learn רא”ש ס’ יח’ (in middle) 

Learn ריטב”א דף יד. “ר’ יוסי בר’ יהודה  

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Is there a limit to the height distance between two קורות placed at different height elevations?

Learn תוס’ דף יד. “ובלבד

Learn רמב”ם ה’ שבת פרק י”ז הלכה כה with the מגיד משנה who explains the Rambam argues on רבינו יהונתן and asks on the Rambam how could we combine two קורות that are at different elevations even with distance greater then three tefachim when the Gemara Sukkah says we do not combine them when the width of the beam is less than a tefach wide (same question as תוס’ “ובלבד) ?

Learn כסף משנה for a different explanation in the Rambam and different answer to Tosfos question

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=77

Learn שולחן ארוך ס’ שס”ג סע’ כג 

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Learn the גמרא דף יד. “ר’ יהודה אומר (three lines before the medium size lines) until “עגולה” (two dots – sixth line from bottom of the Amud) 

Why according to the Rabanan does a קורה which is four tefachim wide not need to be strong enough to support a brick?

Is a four tefachim wide קורה made from straw or twigs kosher?

Learn ביאור הלכה ס’ שס”ג סע’ י”ז “חזקה

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=60

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=61

According to the opinion of the Shulchan Aruch סע’ כב that two קורות combined can only be maximum one tefach apart from one another. Could they combine to create a קורה which is four tefachim wide and therefore be allowed to be 2 1/2 tefachim apart from one another ? 

Learn ביאור הלכה ס’ שס”ג סע’ כב “בתוך טפח 

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What if the physical material of the קורות total four tefachim but there are gaps in between?

See השגת חזון איש 

Continue learning the גמרא דף יד. “עגולה  (two dots – sixth line from bottom of the Amud) until “תני ” (second to last line from bottom of the Amud)

Rabbi Baruch Bodenheim: Gemara Eruvin: First Perek, יום שני Av 27, Daf 14a (08/14/23)

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Very quickly review גמרא דף יד “אמר רב ששת until the two dots (two lines before the medium size lines)

Question:

Why does ר’ יהודה not require קורה  to be strong enough to support a brick?

Learn ר’ יהונתן משנה יג: “ר’ יהודה & דף ב. “ור’ יהודה 

Questions:

Do the two קורות combined need to be a tefach wide?

Learn ריטב”א דף יד. “וכן  

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When using two 1/2 tefachim קורות how much space can be between them?

Learn רבינו יהונתן 

Learn רמב”ם ה’ שבת פרק י”ז הלכה כה 

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=77

Learn שולחן ארוך ס’ שס”ג סע’ כב 

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=60

Learn ביאור הלכה ס’ שס”ג סע’ כב “שצריך

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Do the Rabanan also permit two קורות at different height elevations? 

Learn רא”ש ס’ יח’ (in middle) 

Learn ריטב”א דף יד. “ר’ יוסי בר’ יהודה  

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Is there a limit to the height distance between two קורות placed at different height elevations?

Learn תוס’ דף יד. “ובלבד

Learn רמב”ם ה’ שבת פרק י”ז הלכה כה with the מגיד משנה who explains the Rambam argues on רבינו יהונתן and asks on the Rambam how could we combine two קורות that are at different elevations even with distance greater then three tefachim when the Gemara Sukkah says we do not combine them when the width of the beam is less than a tefach wide (same question as תוס’ “ובלבד) ?

Learn כסף משנה for a different explanation in the Rambam and different answer to Tosfos question

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=77

Learn שולחן ארוך ס’ שס”ג סע’ כג 

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=61

Learn the גמרא דף יד. “ר’ יהודה אומר (two lines before the medium size lines) until “עגולה” (two dots – fourth wide line) 

Why according to the Rabanan does a קורה which is four tefachim wide not need to be strong enough to support a brick?

Is a four tefachim wide קורה made from straw or twigs kosher?

Learn ביאור הלכה ס’ שס”ג סע’ י”ז “חזקה

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=60

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=61

According to the opinion of the Shulchan Aruch סע’ כב that two קורות combined can only be maximum one tefach apart from one another. Could they combine to create a קורה which is four tefachim wide and therefore be allowed to be 2 1/2 tefachim apart from one another ? 

Learn ביאור הלכה ס’ שס”ג סע’ כב “בתוך טפח 

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=61

What if the physical material of the קורות total four tefachim but there are gaps in between?

See השגת חזון איש 

Rabbi Baruch Bodenheim: Gemara Eruvin: First Perek, יום חמישי Av 24, Daf 14a (08/10/23)

Review גמרא דף יד “אמר רב ששת until the two dots (two lines before the medium size lines)

Question:

Why does ר’ יהודה not require קורה  to be strong enough to support a brick?

Learn ר’ יהונתן משנה יג: “ר’ יהודה & דף ב. “ור’ יהודה

https://hebrewbooks.org/pdfpager.aspx?req=14312&st=&pgnum=331

https://hebrewbooks.org/pdfpager.aspx?req=14312&st=&pgnum=326

Learn תוס’ דף יד. “ובלבד

Questions:

Do the two קורות combined need to be a tefach wide?

When using two 1/2 tefachim קורות how much space can be between them?

Learn רבינו יהונתן 

Learn רמב”ם ה’ שבת פרק י”ז הלכה כה with the מגיד משנה who explains the Rambam argues on רבינו יהונתן and asks on the Rambam how could we combine two קורות  that are at different elevations even with distance greater then three tefachim when the Gemara Sukkah says we do not combine  them when the width of the beam is less than a tefach wide (same question as תוס’ “ובלבד) ?

Learn כסף משנה for a different explanation in the Rambam and different answer to Tosfos  question

https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=77

Learn שולחן ארוך ס’ שס”ג סע’ כב-כג

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=60

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=61

Do the Rabanan agree to the concept of רואין? 

Learn ר’ יהונתן on the משנה דף יג עמוד ב 

Learn

ריטב”א דף יג: “עקומה

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Learn the גמרא דף יד. “ר’ יהודה אומר (two lines before the medium size lines) until “עגולה” (two dots – fourth wode line) 

Why according to the Rabanan does a קורה which is four tefachim wide not need to be strong enough to support a brick?

Is a four tefachim wide קורה made from straw or twigs kosher?

Learn ביאור הלכה ס’ שס”ג סע’ י”ז “חזקה

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=60

https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=61

According to the first opinion of the Shulchan Aruch סע’ כב that two קורות combined can be up to three tefachim apart from one another. Could they combine to create a קורה which is four tefachim wide and therefore will not require the physical קורות to be strong enough to support a brick?

Learn ביאור הלכה ס’ שס”ג סע’ כב “שצריך

What if the two קורות combined equal four tefachim? 

Learn ביאור הלכה ס’ שס”ג סע’ כב “בתוך טפח and השגת חזון איש 

R’ Yosef Eisner: Gemara Eruvin: First Perek, יום רביעי Av 23, Daf 14a (08/09/23)

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Learn גמרא דף יד “אמר רב ששת until the two dots (two lines before the medium size lines)

Why does ר’ יהודה not require קורה  to be strong enough to support a brick?

Learn ר’ יהונתן משנה יג: “ר’ יהודה & דף ב. “ור’ יהודה 

Learn תוס’ דף יד. “ובלבד

R’ Yosef Eisner: Gemara Eruvin: First Perek, יום שלישי Av 21, Daf 13b-14a (08/08/23)

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Review the Mishna דף יג עמוד ב 

Questions:

How many bricks does the קורה need to be able to support?

Learn the ריטב”א

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And ר’ יהונתן

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What is the reason the קורה need to be a Tefachim wide?

See ר’ יהונתן

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And רש”י דף ג. הניטלת

According to whose opinion is a קורה made out of straw or twigs kosher?

See Rashi. 

Learn תוס’ דף יד. “ובלבד

Learn גמרא דף יד until “אמר רב ששת”

How do we conclude lhalacha?

Learn שולחן ארוך ס’ שס”ג סע’י”ז with Mishna Berurah 

Learn ביאור הלכה ס’ שס”ג סע’ י”ז “חזקה