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Learn the “גמרא דף מו: “רמי ליה until “מתיב רמי בר חמא” (middle of the Amud)

Sugya – יושב ומצפה

Major Question:

If ר”ש does not hold of מיגו דאתקצאי   than why does he require the condition of יושב ומצפה?

There is a major machlokes between ר”י & ר”ש if a lantern that was lit at the beginning of Shabbos remains Muktzah for the entire Shabbos even after the flame is extinguished. 

This machlokes is contingent on the concept of מיגו דאתקצאי – something which is Muktza during Bein Hashmoshas remains Muktza for the entire Shabbos.

Major Question:

What is the reasoning of מיגו דאתקצאי?

Review the אפיקי ים חלק ב ס’ יט – first two paragraphs.

Why does ר”ש not hold of – מיגו דאתקצאי?

Learn אפיקי ים חלק ב ס’ יט – (page רד bottom of the right column “והנה” for an incredible explanation)

The Gemara brought two opinions in regards to a large container of oil if ר”ש agrees that it is muktza even after the flame goes out.

What is the explanation for their argument?

Learn אפיקי ים חלק ב ס’ יט – (page רד bottom of the left column “ומה נעים” for an incredible explanation. 

Learn חזון איש ס’ מא אות ד

https://hebrewbooks.org/pdfpager.aspx?req=14336&st=&pgnum=125&hilite=

Clarify each of their explanations  

Learn “רשב”א חולין דף טו “עד כאן לא שרי for his explanation of animal that was slaughtered on Shabbos to feed a sick person

https://hebrewbooks.org/pdfpager.aspx?req=40907&st=&pgnum=215

Learn the גמרא דף מו. “אמר רב יהודה until “דף מו: “רמי ליה

Learn “תוס’ “דנפטא 

Questions:

What’s the difference between how Rashi & Tosfos explain why it is prohibited to move a שרגא דנפטא?

Why are sticks and stones Muktza even according to ר”ש?

Are there items which are not Keilim which are not Muktzah?

Continue learning the גמרא דף מו: “רמי ליה until “מתיב רמי בר חמא” (middle of the Amud)

Quickly review the “גמרא דף מו. “א”ר יהושע בן לוי” … “הורה במנורה כר”ש בנר (middle of the Amud) until “אמר רב יהודה” (first wide line)

Clarify the two options the gemara presents in how to interpret the line הורה במנורה כר”ש בנר

Learn “תוס’ “הורה until “ואם תאמר”

Learn ריטב”א who clarifies further. 

Clarify Tosfos answer as to why we don’t have a third possible interpretation? 

Review the “גמרא דף מו. “אמר רב יהודה until the end of the Amud

Learn “תוס’ “דנפטא 

Questions:

What’s the difference between how Rashi & Tosfos explain why it is prohibited to move a שרגא דנפטא?

Why are sticks and stones Muktza even according to ר”ש?

Are there items which are not Keilim which are not Muktzah

Review the גמרא דף מו. “ומי אמר ר’ יוחנן (eight lines from top of Amud) until “אמר רב יהודה (first wide line)

Clarify the two options the gemara presents in how to interpret the line הורה במנורה כר”ש בנר

Learn תוס’ “הורה until “ואם תאמר”

Clarify Tosfos answer as to why we don’t have a third possible interpretation? 

Continue learning the גמרא דף מו. “אמר רב יהודה until the end of the Amud

Learn תוס’ “דנפטא 

What’s the difference between how Rashi & Tosfos explain why it is prohibited to move a שרגא דנפטא?

Why are sticks and stones Muktza even according to ר”ש?

Are there items which are not Keilim which are not Muktzah?