The Stack Overflow podcast is back! Listen to an interview with our new CEO.

Questions tagged [derabanan]

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

Filter by
Sorted by
Tagged with
27
votes
2answers
827 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 ...
22
votes
5answers
2k 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 ...
18
votes
3answers
778 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 ...
15
votes
5answers
4k views

Should a non-Orthodox Jew wear tzitzit or not?

It seems obvious to me that in general it’s better to keep more mitzvot rather than fewer, but wearing tzitzit seems like a special case. I’ve asked rabbis in my community about this, but I want to ...
15
votes
2answers
2k 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)
14
votes
1answer
546 views

Why don't Rabbinic fasts end by Ben Hashmashot?

There's a doubt in the Gemara when the new day starts, at sunset or at three stars (Ok, and there's Rabbi Yossi's opinion). When it comes to Shabbos (or any other biblical time), we have to be strict ...
13
votes
5answers
505 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 ...
13
votes
3answers
919 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
4answers
829 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
1answer
1k views

Are there jews not following the rabbinic laws?

Trying to learn about Judaism more I have been reading this StackExchange for the past few months. As a non-Jew using the correct terminology is a bit hard, so please do feel more than free to edit ...
12
votes
4answers
477 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? [...
12
votes
2answers
173 views

In the Talmud is there a way to distinguish when a verse is brought as מקור or אסמכתא?

The Talmud is full of the standard procedure of the Sages interpreting Tanakh verses to learn various laws and behaviors. Is there a way to tell when a Rabbi cites a Pasuk as a traditionally known ...
12
votes
3answers
813 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 ...
11
votes
3answers
632 views

What is the basis that allows Rabbis to create laws?

I understand that the Torah gives instructions to obey Judges for legal cases and questions, but what is the basis that Rabbis have for creating new laws, such as for celebrating Chanukah with a ...
11
votes
1answer
344 views

Precedent for Forbidding Conversion

The Syrian community has a Takkanah in place which bars conversion. In addition to forbidding conversion under their own auspices, they also "Never accept a convert or a child born of a convert", as ...
9
votes
2answers
260 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 ...
9
votes
0answers
619 views

To what extent is homosexuality forbidden among non-Jews?

All homosexual behavior is forbidden among Jews, but some actions are clearly Torah prohibitions (e.g. mishkav zachar), while some might be Rabbinic in nature (e.g. lesbian relations). Are all of ...
8
votes
4answers
315 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?
8
votes
3answers
156 views

Are there unresolved ‘tekus’ in the Talmud later resolved in responsum?

Often in the Talmud questions are asked which do not yield a result. These non-answers are called ‘teku’ (תיקו). Frequently, the questions which are left with teku are those which are far-fetched. ...
8
votes
1answer
270 views

Why is Shmita only Rabbinic nowadays?

I was reading up on Heter Iska and it said that Shmita and Shmitat Kesafim are only Rabbinic today. Why do the Biblical laws no longer apply?
8
votes
1answer
302 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 ...
8
votes
4answers
197 views

What are the Biblical sources for rabbinic authority?

I am currently learning in a s'micha program. I was challenged by one of my old friends to find a source for our modern understanding of rabbinic authority that does not require circular reasoning ...
8
votes
1answer
135 views

Why is there no decree against bathing in Chamei Teverya?

Gemara Shabbos says that originally one was allowed to bathe on Shabbos in pre-heated bath-houses. However, (in short) due to the fact that the bath-house directors would violate Shabbos (by heating ...
7
votes
2answers
342 views

Who Commanded Us, and For What?

Whenever a Jew performs an activity that is mandated by the Torah, s/he recites the blessing that acknowledges God, "אשר קדשנו במצוותיו" (who sanctified us with his commandments), and who commanded us ...
7
votes
1answer
148 views

Pikuach Nefesh and different levels of Halacha

Here's a theoretical: if someone has to save a life and has two equally easy options, both of which violate halacha, one d'oraita and one d'rabbanan. Should he choose the d'oraita or the d'rabbanan?
7
votes
2answers
1k views

Seven Mitzvos D'Rabanan

I heard there are 620 letters in the Aseres Hadibros which corresponds to the 613 Mitzvos of the Torah and 7 Mitzvos D'Rabanan. What are the Seven Mitzvos D'Rabanan - שבע מצוות דרבנן? Is there a easy ...
7
votes
2answers
368 views

Is the Oral Law from Sinai considered d'oraisa or d'rabbanan?

Are halachos that were received at Sinai (or in the desert shortly after) but not recorded in Tanach--such as the method for kosher slaughter alluded to in Deuteronomy 12:21--considered rabbinical or ...
6
votes
1answer
4k views

Was chicken originally considered pareve? If so, when and why was this changed?

I heard that chicken was originally considered pareve in the Bible, because it is a type of fowl (i.e. like fish it is pareve, as it is not 'meat'), and that only later was it changed to be meat ...
6
votes
1answer
258 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
5answers
340 views

Why is there a prohibition of gevinat aku"m?

I vaguely recall that Talmud Avodah Zarah mentions a prohibition of eating gevinat akum - cheese manufactured by an idol worshipper (as I understand this definition.) If there already was a ...
6
votes
1answer
123 views

If a Jew violates a Rabbinically established “fence” on a law, is that the same as sinning against Hashem?

This question is in no way a challenge to Rabbinical authority. This question has more to do with the philosophy of sin and how Hashem holds us accountable for our actions. If you commit an act ...
6
votes
1answer
182 views

Why are we bound to rabbinic laws?

I know that one of the reasons given for our being limited by miderobonon laws is explained in Masechet Shevuot, 39a which says as follows (lifted from dafyomi.co.il) i. "Asher Yeshno Po ha'Yom" ...
6
votes
1answer
173 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
1answer
352 views

Understanding the difference between shevus and gezeirah

I know that, in general, there is a difference in strictness between the two categories of protective measures, but am having difficulty in explaining the difference between the two.
6
votes
1answer
200 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 ...
6
votes
2answers
73 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 ...
6
votes
0answers
83 views

Is lighting a new flame on Yom Tov a Biblical or Rabbinic prohibition? [duplicate]

Is lighting a completely new fire on Yom Tov a Biblical or a Rabbinic prohibition? Please cite your sources.
5
votes
4answers
706 views

What is the difference between a takana and a gezera?

What is the difference between a takana and a gezera in both definition and application?
5
votes
3answers
258 views

Torah Study Of Rabbinic Laws

Does one fulfill the Biblical precept to study Torah while studying Rabbinic precepts? R. Mordechai of Vilna writes that one does not. Are there disputants? Please answer with exact sources or ...
5
votes
1answer
156 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?
5
votes
1answer
290 views

The Abolition of Vidui Ma'aser

Deuteronomy 26:12-15 details a confession that must be recited on the final yontef of Pesach, both on the fourth and on the seventh years of the agricultural cycle, at such a time as there is a temple ...
5
votes
1answer
447 views

What is a shevut d'shevut, and why is it permitted?

I understand there is a notion called shevut d'shevut (and the related gezeira l'gezeira), whereby, in some cases, one may violate a rabbinic prohibition if and only if this is achieved through ...
5
votes
1answer
169 views

Rabbinical suppport for reducing noise at weddings

There is a verse in Devarim (Deut) - Don't recall exact location that says "Watch your lives very carefully". From here we learn that we must do what we can to preserve our health. So, I'm wondering ...
5
votes
2answers
210 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
123 views

Why use “Kiddushin” instead of biblical “Erusin”?

Why did the Sages see a need of inventing a new word "Kiddushin" e.g Masechet Kiddushin 46a - שצריכה הימנו קידושין , instead of the biblical Hebrew word "Erusin" used everywhere in the Torah, as in: ...
5
votes
1answer
61 views

Medicines v. Spices on Shabbos

Medicines are forbidden on shabbos for the non-critically ill because in the old days, they had to be ground with a pestle beforehand. Must not spices also be ground? How come spices are not also ...
4
votes
4answers
161 views

Biblical versus rabbinic transgressions

Does the distinction between biblical versus rabbinic transgressions have implications or consequences today? In the past, the punishment for them was different I believe.
4
votes
2answers
284 views

What is the punishment for Patur Aval Issur?

If one does something on Shabbos, say, that is patur aval issur (like an act of destruction) what is the punishment? I know that Beis Din (court) does nothing, but are there any sources for what the ...
4
votes
4answers
250 views

Have there been instances where decisions in the Sanhedrin or Rabbinical decisions concerning Jewish practice have been reversed upon later review?

I was curious if there were examples or instances where one generation of Rabbis established an interpretation of the law which was followed accordingly, only to have another generation of Rabbis ...
4
votes
2answers
241 views

Is it Halachically permissible to use tefillin peshutim if one cannot afford better tefillin?

I would like to buy my first Tefillin. I was raised in a semi-secular household, and thus do not own a pair of my own. However, being a student, I am tight with my money. I understand that there is ...