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

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11
votes
3answers
471 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 ...
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 ...
4
votes
3answers
286 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?
9
votes
2answers
209 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 ...
3
votes
1answer
121 views

Why no tfillin on second day of Yom Tov?

The decree of keeping two days of Yom Tov outside of Israel is because Rosh Chodesh used to be determined by Beis Din and its messengers couldn't reach all of exiles in time, thereby requiring people ...
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 ...
11
votes
5answers
385 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 ...
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)
18
votes
5answers
1k views

Halachic Restrictions not in the Torah, and “shall not add”

How can halachic restrictions that are not in the Torah be reconciled with the Deuteronomy 4:2 passage, which says, "Ye shall not add unto the word which I command you, neither shall ye diminish from ...
10
votes
3answers
497 views

Why do we say Pesach seder brachot both nights?

During the Pesach seder, but not during the rest of Pesach, we say b'rachot for the mitzvot of matzah and maror. (I mean the "asher kidshanu b'mitzvotav" b'rachot.) So it seems that we are only ...
12
votes
3answers
446 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 ...
11
votes
4answers
493 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?
12
votes
4answers
418 views

Milk After Fowl

If eating milk and chicken is only a rabbinical prohibition, why don't we find that we are more lenient with regards to it. For example, why don't we wait less time between eating chicken and milk? ...
6
votes
4answers
176 views

Rabbinic prohibitions among Noachide laws

Are there Rabbinic prohibitions on non-Jews in the context of the 7 Noachide laws? e.g., would they have gezeirot like yichud or negia in order to prevent ariyot?
5
votes
1answer
147 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 ...