Questions connected to laws that were instituted by the Rabbis (not Biblical).

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7
votes
1answer
174 views

Amira Lakum: say you can't say?

One is not allowed to tell a non-Jew to do a melacha on shabbas, but one can hint and say "it is cold in here", hoping he will realize and shut the air conditioner. Is one allowed to explain to the ...
1
vote
1answer
38 views

Davar charif cut with meat knife — why not ossur?

The SA in YD Siman 97 Sif 1 (the makor is a braisa in Pesachim Daf 30) says that one should not knead together a dough with milk, lest someone come to eat it together with meat. If one did knead them ...
6
votes
0answers
49 views

Has anyone declared a time of oppression regarding the four Temple fasts?

The Sha'ar haTziyun (OC 550 sk 9) speculates if in his day (~1900 CE) there was enough oppression of the Jews to warrant declaring the fasts of 10 Tevet, 17 Tammuz and 3 Tishrei into full fledged ...
3
votes
0answers
50 views

Can “Three D'Rabbanans be 'motzei' ”Two D'Rabbanans"

We know that when there is a case of someone that is obligated to perform a mitzvah m'drabbanan (and in fact there are 2 d'rabbanans together) they can't be "motzei" someone in the mitzvah who only ...
3
votes
0answers
22 views

Proof from Mishneh that Hilchos Chol HaMoed is M'd'rabbanan

If one looks into the Tur and Beis Yosef at the beginning of Hilchos Chol HaMoed in Simana 630 you will find a big maklokes rishonim if malacha on Chol HaMoed is an issur d'oraisa, d'rabbanan, or ...
1
vote
0answers
59 views

Who should observe Isru Chag?

I have been trying to understand Isru Chag. While there is a source in tehillim for the words and the gemara derives a notion of extra celebration, there seems to be little about the scope of the day. ...
0
votes
0answers
43 views

How important is it to read from a Torah on Rosh Chodesh?

Where does the practice of reading for the Torah on Rosh Chodesh come from and how crucial is it? Would skipping it (due to lack of easily accessible Sefer Torah) constitute a serious transgression? ...