Review גמרא דף יד “אמר רב ששת until the two dots (two lines before the medium size lines)
Question:
Why does ר’ יהודה not require קורה to be strong enough to support a brick?
Learn ר’ יהונתן משנה יג: “ר’ יהודה & דף ב. “ור’ יהודה
https://hebrewbooks.org/pdfpager.aspx?req=14312&st=&pgnum=331
https://hebrewbooks.org/pdfpager.aspx?req=14312&st=&pgnum=326
Learn תוס’ דף יד. “ובלבד
Questions:
Do the two קורות combined need to be a tefach wide?
When using two 1/2 tefachim קורות how much space can be between them?
Learn רבינו יהונתן
Learn רמב”ם ה’ שבת פרק י”ז הלכה כה with the מגיד משנה who explains the Rambam argues on רבינו יהונתן and asks on the Rambam how could we combine two קורות that are at different elevations even with distance greater then three tefachim when the Gemara Sukkah says we do not combine them when the width of the beam is less than a tefach wide (same question as תוס’ “ובלבד) ?
Learn כסף משנה for a different explanation in the Rambam and different answer to Tosfos question
https://hebrewbooks.org/pdfpager.aspx?req=14278&st=&pgnum=77
Learn שולחן ארוך ס’ שס”ג סע’ כב-כג
https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=60
https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=61
Do the Rabanan agree to the concept of רואין?
Learn ר’ יהונתן on the משנה דף יג עמוד ב
Learn
ריטב”א דף יג: “עקומה
https://hebrewbooks.org/pdfpager.aspx?req=37287&st=&pgnum=21
Learn the גמרא דף יד. “ר’ יהודה אומר (two lines before the medium size lines) until “עגולה” (two dots – fourth wode line)
Why according to the Rabanan does a קורה which is four tefachim wide not need to be strong enough to support a brick?
Is a four tefachim wide קורה made from straw or twigs kosher?
Learn ביאור הלכה ס’ שס”ג סע’ י”ז “חזקה
https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=60
https://hebrewbooks.org/pdfpager.aspx?req=60389&st=&pgnum=61
According to the first opinion of the Shulchan Aruch סע’ כב that two קורות combined can be up to three tefachim apart from one another. Could they combine to create a קורה which is four tefachim wide and therefore will not require the physical קורות to be strong enough to support a brick?
Learn ביאור הלכה ס’ שס”ג סע’ כב “שצריך
What if the two קורות combined equal four tefachim?
Learn ביאור הלכה ס’ שס”ג סע’ כב “בתוך טפח and השגת חזון איש