Rabbi Baruch Bodenheim: Gemara Eruvin: Second Perek, יום שלישי Teves 21, Daf 21a (01/02/24)

Very quickly review גמרא דף כ: “א”ר יצחק בר אדא  until דף כא. “אמר רב ירמיה בר אבא (sixteen lines from top of the Amud)

Questions:

If it is prohibited to draw water from the well for people to drink why is it only permitted to set up פסי ביראות surrounding a well of clean spring water that is fit for human consumption?

See רש”י “מידי 

Review תוס’ דף כא. “מידי

What is the difference between the reasoning of Rashi and Tosfos 

Clarify the two different opinions of Tosfos of when it is permitted to draw water for a person.

Learn מהרש”א who asks a question on Tosfos based on תוס’ יח. “בור לחוד

https://hebrewbooks.org/pdfpager.aspx?req=14312&st=&pgnum=268

https://hebrewbooks.org/pdfpager.aspx?req=14312&st=&pgnum=269

How does the מהרש”א and תוס’ יח. “בור expand the rulings in regards to drawing water from a well inside פסי ביראות?

Learn פ’ משניות לרמב”ם

https://hebrewbooks.org/pdfpager.aspx?req=14312&st=&pgnum=254

What is the position of the Rambam in regards to people drinking from the water drawn from a well inside פסי ביראות?

Was the takana of פסי ביראות  instituted primarily to help provide water to animals or for people?

Learn רשב”א בעינן

https://hebrewbooks.org/pdfpager.aspx?req=37275&st=&pgnum=24

https://hebrewbooks.org/pdfpager.aspx?req=37275&st=&pgnum=25

See ריטב”א “ופרקינן

https://hebrewbooks.org/pdfpager.aspx?req=37287&st=&pgnum=33

How is the Rashba understanding different than Tosfos?

Continue learning the גמרא דף כא. “אמר רב ירמיה בר אבא (sixteen lines from top of the Amud) until “אמר רב חסדא” (two dots) 

Question:

How does the Gemara expand the permission to use פסי ביראות?