Last point from last week
Conclusion of Sugya: Amount of walls needed to create a Reshus Hayachid
Major Question on ר”ח and Rambam:
In the answer of the Gemara having three walls and a lechi is considered a Reshus Hayachid. But according to Rava לחי is a היכר why is this Mavui considered a Reshus Hayachid?
Why does ר”ח say the tikun on the third side is a door? Why not a Tzuras hapesach?
See דברי יחזקאל ס’ ה אות יב
https://hebrewbooks.org/pdfpager.aspx?req=14038&st=&pgnum=55
https://hebrewbooks.org/pdfpager.aspx?req=14038&st=&pgnum=56
Sugya: תיקוני חצר
Learn the the “גמרא דף יב: ” אמר רב יהודה אמר רב מבוי (2/3 down the Amud) until the bottom of the Amud
Learn תוס’ “להוי
Question:
Why does a Chatzer require a different and more stringent תיקון than a Mavui to permit one to carry inside the Chatzer?
Learn תוס’ “ובתים focus on the answer of Tosfos (last line)
Learn שו”ת רשב”א חלק ה ס’ רג
https://hebrewbooks.org/pdfpager.aspx?req=65894&st=&pgnum=92
Is the reason the Rashba presents different from Tosfos?
In conclusion:
What Tikun is required for a Chatzer?
Learn שו”ע ס’ שס”ג סע’ ב
https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=55
https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=56
Practically what Tikun do we use for a Mavui? Why?
Learn שו”ע ס’ שס”ג סעיף כו starting from “אין מבוי ניתר”
https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=63
https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=64