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

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25
votes
2answers
642 views

Can a gentile break shabbos only on a Rabbinic level?

A non-Jew is forbidden from observing Shabbos. When someone is in the process of converting, we advise them to keep the entire Shabbos besides for doing one forbidden activity. A common practice is to ...
1
vote
1answer
154 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 ...
3
votes
0answers
71 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 ...
2
votes
1answer
138 views

Sofek d'rabbanan by tevillah of an isha

Normally we say "sofek d'rabbanan l'kulo" and will be lenient in a case of a doubt that is only an issur d'rabbanan. I have heard that there are poskim who say this doesn't apply in the case when ...
2
votes
0answers
106 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. ...
1
vote
2answers
72 views

“Lo Plog” in Shas

In a case of a gezera or any other issur that might not apply to a particular person (for whatever reason) we often still say it does because of a "lo plog". In order that we shouldn't make ...
9
votes
2answers
211 views

Why did God give the Rabbis so much power?

The Torah demands that we adhere to the laws implemented by the Rabbis (I think the source is "don't veer from what they tell you to the right or to the left"). This has given the Rabbis far-reaching ...
11
votes
5answers
389 views

The authenticity of rabbinic literature

I am studying the history of various branches of Judaism. I understand the position of rabbinic Judaism that parts of the laws were oral and not written. But this alone would not justify the ...
12
votes
3answers
452 views

When do rabbinic enactments apply if the given reason no longer does?

Often we find gezeiros d'rabbanan designed as preventative measures against more serious transgressions. However, if nowadays the reasoning behind the gezeira does not apply, it seems that sometimes ...
3
votes
3answers
300 views

Arguments for Rabbinical Law

My friend does not practice Rabbinical Laws unless he fully agrees with the reasoning. He's totally fine with direct Torah Laws however. I'm running out of arguments to convince him. Any ideas?
0
votes
2answers
127 views

Skin of chicken like chicken meat itself?

In terms of dinei baser b'chalav and other nafka minas for if something is considered baser or not what does the status of the skin on top of chicken have (the skin that is cooked together and often ...
4
votes
1answer
115 views

A fence within a fence

There is a well known dictum that a lot of rabbinic enactments were created to 'create a fence' around the major sin; the idea being that if someone does something that would be Biblically permitted ...
5
votes
1answer
115 views

Who established the Shema?

The Gemara in Berachos 12b says "They sought to establish [various passages] in the Shema" and "they establish[ed] the passage of tzitzis in the Shema" (Artscroll trans.) I had thought that the ...
9
votes
2answers
1k views

What is Maris Ayin?

What is the precise definition of Maris Ayin, and to what cases does it apply? (i.e. what are the parameters for applying it)
4
votes
3answers
292 views

Is it allowed to prepare for maariv after Shabbos during the rabbinic tosefes Shabbos?

The time to daven maariv on Motzoei Shabbos is some period (where I am it’s around 15 minutes) after the stars come out. This period is called tosefes Shabbos. In many shuls, the shaliach tzibbur ...
2
votes
1answer
82 views

Making a Berachah on rabbinically prohibited foods

Should one refrain from making a Berachah on rabbinically prohibited foods, or does that rule only apply to biblically prohibited foods?
11
votes
4answers
506 views

Clapping on Shabbos

Is one allowed to clap one's hands on Shabbos? Does it matter whether one is clapping to a beat or trying to get someone's attention?
5
votes
1answer
148 views

Two types of preventative enactment?

I believe this is a strictly academic question. Correct me if I'm wrong. Many of the restrictions enacted by the Rabbis (as opposed to those extrapolated from the Torah) were done so in order to ...
6
votes
2answers
65 views

Does a fan or light on Shabbos need a Blech?

Obviously they wouldn't need a "blech" like we think of one, but would they need some sort of physical alteration to remind one not to adjust the knobs/switches on Shabbos? More specifically, to ...