Quickly review the “גמרא דף יב: “אמר רב יהודה ( two dots on top Amud) until “אמר רב יהודה” (middle of the Amud)
Question:
According to the conclusion of the Gemara, how many mechitzas are required to create a Reshus Hayachid?
Learn רא”ש סוכה פרק א ס’ ט
https://hebrewbooks.org/pdfpager.aspx?req=14319&st=&pgnum=469
Learn רמב”ם ה’ שבת פרק י”ז הלכה ט
https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=73
Major Question:
The Gemara seems to say clearly that only three walls are necessary to create a Reshus Hayachid. How does the Rambam who rules that four walls are required learn our gemara?
Learn רבינו חננאל on the side of the Gemara for a different way to explain our gemara.
The Gemara asks a question from the machlokes Rebbe Yehuda and the Rabanan in regards to two mechitzos on the two sides of a Reshus Harabim.
What is the question and the answer of the Gemara?
See Rashi
See ריטב”א who asks multiple questions on Rashi
https://hebrewbooks.org/pdfpager.aspx?req=37287&st=&pgnum=20
Learn תוס’ “איתיביה
Is Tosfos explanation the same as Rashi
See ביאור הלכה ס’ שס”ג, א “אסרו חכמים
https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=55
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?