Rabbi Baruch Bodenheim: Gemara Shabbos: Muktza – Wednesday night shiur, Sivan 26, Daf 43a (06/10/26)

Learn the גמרא דף מג. “רב יוסף אמר (six lines from top of the amud) until “א”ר יצחק (two lines before the wide lines) 

What is the explanation of רב יוסף of the Halacha of רב חסדא?

Learn תוס’ דף מג. “דמבטל

Learn רש”י קנד: “והא מבטל כלי which seems to say a different reason

Between Rashi here and קנד and Tosfos here there are 3 reasons

What are the נפקא מיניה between the reasons?

Learn רא”ש יוסף דף מג. & פרי מגדים ס’ רס”ה משבצות זהב ס”ק א

https://hebrewbooks.org/pdfpager.aspx?req=41248&st=&pgnum=169&hilite=

Learn תוס’ “טבל

According to רב יוסף may one be מבטל כלי for part of Shabbos?

Bring a proof from Tosfos. 

Learn גמרא קנ”ד: “הגיע לחצר חיצונה until תניא ר”ש בן יוחי אומר

https://hebrewbooks.org/shas.aspx?mesechta=2&daf=154b&format=pdf

Bring a proof from our Gemara that ביטל כלי לשעה is prohibited

Learn ר”ן דף קנ”ד עמ’ ב who brings a machlokes between the בעל המאור and the רשב”א if ביטל כלי לשעה is permitted.

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=682

How do the Rishonim that hold it is prohibited explain the גמרא דף קנ”ד?

What are the proofs from the גמרא דף מג that ביטל כלי לשעה is prohibited?

How does the בעל המאור who holds that ביטל כלי לשעה is permitted explain the original assumption of the Gemara that the cases of catching the flying sparks and placing a basket in front of chicks are prohibited because of ביטל כלי as these were only temporary ביטל?

According to the רשב”א that ביטל כלי לשעה is prohibited. Why is it permitted in a case of loss?

Learn ה’ אשרי על רא”ש ס’ יח

What extra chidushim do we learn from the ה’ אשרי?

https://hebrewbooks.org/pdfpager.aspx?req=37953&st=&pgnum=356