Very quickly review “גמרא דף כד: “ההיא רחבה (seven lines from top of the Amud) until “הילכך” (four lines from bottom of the Amud)
The Gemara presents multiple solutions
Placing a mechitza אגודא דנהרא – at the banks of the river
Placing a צורת הפתח by the פומא – entrance of the שביל של כרמים
Placing a Lechi at the פתח – entrance of the שביל של כרמים
Placing a Lechi at the פתח – entrance of the מבוי דמתא
How does each of these solutions permit one to carry inside each of the three areas?
Why is it not a good solution?
Learn all the Tosfos on the Gemara.
Clarify the questions Tosfos has on Rashi explanation of the various solutions.
Learn the Ritva on the Sugya to answer many of the questions on Rashi
Tosfos presents a new explanation in the case of placing a mechitza אגודא דנהרא – at the banks of the river and placing a צורת הפתח by the פומא – entrance of the שביל של כרמים.
How does this differ from Rashi?