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Learn the second “בעא מיניה אביי מרבה” (sixth wide line) until the third בעא מיניה אביי (middle of the Amud)

Questions:

What is the uncertainty of אביי?

Why does אביי have reason to believe ר’ יהודה would have a different position than ר’ מאיר in regards to this question?

There are three explanations in the Rishonim

1. Learn Rashi

2. Learn רשב”א 

3. Learn רמב”ם ה’ שבת פרק יז הלכה כט and the ח’ ר”ן  

Learn תוס’ “ואם 

Bring a proof from תוס according to which of the three explanations of the first inquiry of אביי he is aligned with.

The Gemara quotes ר”י who says there is a difference in size of gaps between פסי ביראות (allowed 13 1/3 Amos) and מחיצות (allowed 10 Amos). This contradicts what ר”י said in the first Mishna that the fourth side of a mavui can have gap of 13 1/3 Amos?

Learn ריטב”א for an answer 

Learn the third “בעא מיניה אביי מרבה” (middle of the Amud) until the fourth בעא מיניה אביי (nine lines from the bottom of the Amud)

Question:

Why is it necessary to view the תל המתלקט as carved out in order to be an acceptable דיומד? Why is it not sufficient the fact that their is an Amah of a mechitza on each side?

Why does a round pillar need to be viewed as carved out and squared in order to be an acceptable דיומד? Why does it matter that the outside face plate is round? (See שפת אמת)

There are two approaches to answer these questions

Learn חזון איש 

Learn ח’ מהר”ל

Very quickly review the גמרא דף יט: בעא מיניה אביי מרבה  (first wide line) until the next בעא מיניה אביי (sixth wide line)

Summary: 

We learnt three approaches to explain what the inquiry of אביי whether one may reduce the size of the opening between the פסי ביראות by extending the דיומדין? 

1. Rashi & the ח’ ר”ן – Adding פשוטין /middle panels is noticable that it was placed there to reduce the size of the gap which is not as clear by just extending the דיומדין. 

2. The ריטב”א – Adding פשוטין /middle panels is more preferred than extending the דיומדין when the width of the enclosed space between the פסי ביראות are less than 20 Amos as the פשוטין will divide the gap in half making each gap smaller than 10 amos. 

However when the width of the enclosed space between the פסי ביראות is more than 22 Amos extending the דיומדין is preferred as that will result in עמוד מרובה – more solid walls than gaps on each side. 

The question of אביי is whether ר”מ required פשוטין as most times it is more beneficial as the width of the enclosed space between the פסי ביראות is usually less than 20 Amos

3. The ח’ מהר”ל – perhaps extending the דיומדין although it physically reduces the size of the gap is insufficient as the concept of פסי ביראות is four corners composed of an אמה for each panel with a maximum of 10 Amos gap in between.

How do we conclude lhalacha?

See last line of ריטב”א דף יט: “בעא מיניה

See רבינו חננאל (on side of the Gemara)

Bring a proof from רבינו חננאל according to which of the three explanations of אביי inquiry he is aligned with.

Learn the second “בעא מיניה אביי מרבה” (sixth wide line) until the third בעא מיניה אביי (middle of the Amud)

Questions:

What is the uncertainty of אביי?

Why does אביי have reason to believe ר’ יהודה would have a different position than ר’ מאיר in regards to this question?

There are three explanations in the Rishonim

1. Learn Rashi

2. Learn רשב”א 

3. Learn רמב”ם ה’ שבת פרק יז הלכה כט and the ח’ ר”ן  

Learn תוס’ “ואם 

Bring a proof from תוס according to which of the three explanations of the first inquiry of אביי he is aligned with.

The Gemara quotes ר”י who says there is a difference in size of gaps between פסי ביראות (allowed 13 1/3 Amos) and מחיצות (allowed 10 Amos). This contradicts what ר”י said in the first Mishna that the fourth side of a mavui can have gap of 13 1/3 Amos?

Learn ריטב”א for an answer 

Learn the third “בעא מיניה אביי מרבה” (middle of the Amud) until the fourth בעא מיניה אביי (nine lines from the bottom of the Amud)

Quickly review the גמרא דף יט: בעא מיניה אביי מרבה  (first wide line) until the next בעא מיניה אביי (sixth wide line)

Question:

What is the uncertainty of אביי?

What is the difference whether one reduces the size of the opening between the פסי ביראות through דיומדין or פשוטין? 

There are three different approaches offered 

1. Rashi – (yesterday we learnt the ח’ ר”ן who explained why a היכר is needed) 

2. The ריטב”א 

3. The ח’ מהר”ל 

What’s a נפקא מיניה  between the explanation of Rashi and the Ritva?

Learn רבינו חננאל (on side of the Gemara) 

Bring a proof to which of the three explanations he is aligned with.

How do we conclude lhalacha?

See רבינו חננאל (on side of the Gemara) 

See רשב”א

Learn the second “בעא מיניה אביי מרבה” (sixth wide line) until the third בעא מיניה אביי (middle of the Amud)

Questions:

What is the uncertainty of אביי?

Why does אביי have reason to believe ר’ יהודה would have a different position than ר’ מאיר in regards to this question?

There are multiple explanations in the Rishonim

1. Learn Rashi

2. Learn רשב”א 

3. Learn רמב”ם ה’ שבת פרק יז הלכה כט and the ח’ ר”ן  

Learn the גמרא דף יט: בעא מיניה אביי מרבה  (first wide line) until the next בעא מיניה אביי (sixth wide line)

Question:

What is the uncertainty of אביי?

What is the difference whether one reduces the size of the opening between the פסי ביראות through דיומדין or פשוטין? 

Learn Rashi well

What type of היכר is needed according to Rashi?

Learn ריטב”א who asks a question on Rashi and offers a different explanation

https://hebrewbooks.org/pdfpager.aspx?req=37287&st=&pgnum=30

Learn ח’ ר”ן (see attachment in this email) 

What’s a נפקא מיניה  between the explanation of Rashi and the Ritva?

Learn ח’ מהר”ל for a third explanation of the Gemara 

See רבינו חננאל (on side of the Gemara) 

Bring a proof to which of the three explanations is he aligned with.

How do we conclude lhalacha?

See רבינו חננאל (on side of the Gemara) 

See רשב”א

Learn the second “בעא מיניה אביי מרבה” (sixth wide line) until the third בעא מיניה אביי (middle of the Amud)

Questions:

What is the uncertainty of אביי?

Why does אביי have reason to believe ר’ יהודה would have a different position than ר’ מאיר in regards to this question?

Learn גמרא דף יט. “וביניהן במלוא שתי רבקות  (two dots – three lines from the bottom of the Amud) until דף יט: “ארי”ך (two dots – begining of the wide lines) 

Continue learning the גמרא דף יט: בעא מיניה אביי מרבה 

Question:

What is the safek of Abeye?

What is the difference how one reduces the size of the opening whether through דיומדין or פשוטין? 

Learn Rashi well

Learn ריטב”א  who asks question on Rashi and offers a different explanation

Learn ח’ ר”ן 

Learn ח’ מהר”ל for a third explanation of the Gemara 

Quickly review “גמרא דף יט. “גן עדן  (five lines from bottom of the Amud) until the two dots 

Topic: Gan Eden

Questions:

Why does Gan Eden only have one entrance?

Learn מהרש”א

Learn מהרש”ל who asks since Hashem’s rewards more than He punishes, why are there more entrances to Gehinom than Gan Eden?

Learn תורת חיים עירובין דף יט “דמסקינן פיתחא

Is Gan Eden a physical location on earth?

See בראשית ב: י-יד

See בראשית ג: כג-כד

Learn רמב”ן ספר שער הגמול – גן עדן (starting from page 322) 

What benefit does a neshama of Gen Eden is a place on earth?

Learn רמב”ן ספר שער הגמול – גן עדן (page 327 &359) 

Question from yesterday: 

Why is the name Gehinom not listed as one of the seven names of Gehinom?

Learn גמרא דף יט. “וביניהן במלוא שתי רבקות  (two dots – three lines from the bottom of the Amud) until דף יט: “ארי”ך (two dots – begining of the wide lines)