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

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1answer
54 views

Why don't we wear tefillin on Yom Tov sheni?

In Hilkhoth Tefillin 4:10, the Rambam states the basic and well-known halakhah that "...shabbathoth wi-yamim tovim enan zeman tefillin..." (Translation: "Shabbat and Yom Tov are not times for ...
5
votes
1answer
92 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?
5
votes
1answer
26 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.
12
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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 ...
2
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1answer
66 views

Translation of 'Takana'

What would a fitting colloquially accepted translation of the word takana be? Assuming we are dealing of course with a rabbinic decree and so as to convey the intent as apposed to 'gzeira', 'syag', ...
13
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1answer
257 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 ...
4
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1answer
90 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 ...
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0answers
34 views

why does one make a brachah on a rabbinicaly ordained mitzvah? [duplicate]

why does one make a brachah on a rabbinicaly ordained mitzvah in the same manner as other mitzvas? for example chanukah candles... "Blessed are You, Lord our G-d, King of the universe, who has ...
5
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1answer
49 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 ...
1
vote
1answer
63 views

The levels in kashrut

If a piece of a biblically forbidden food (such as a piece of pork), falls into a bowl of meat. We all know the rule, it's batul bshishim. How about a piece of food which is only rabbinically ...
1
vote
1answer
91 views

What is Ezra's Immersion / טבילת עזרא

What is Ezra's Immersion / טבילת עזרא and: Why was it canceled? How was it canceled?
2
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0answers
56 views

Shvusim. does amount make a difference

Is there a concept of shvus dishvus with an added shvus making it a rabbinic prohibition 3 times removed. For example if it's yom tov sheini, and the action is rabbinic such as Nolad (turning on a ...
3
votes
1answer
95 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 ...
2
votes
2answers
53 views

Nazir: shaving on the start of the vow

I read that a nazir would shave his hair just prior to taking the vow because of a decree of the sages. Is it true? What is the source for this information?
1
vote
2answers
82 views

Why do we make blessings on mitzvot d'rabbanan at the second seder?

As far as I know mitzvot such as eating marror or saying hallel at the Pesach seder are only rabbinic (the marror was biblical previously but I am told that is no longer so). If this is the case and ...
2
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1answer
55 views

May one violate a derabonon to preform a Bris

May one violate a rabbinic prohibition (such as carrying a knife in a Karmilis on Shabbos) in order to perform a Bris Milah? (A Karmilis is a domain which a person can't carry stuff into or from a ...
3
votes
1answer
35 views

Halachic categorization of safek dioraisa…

Is the dictum of safek dioraisa l'chumrah (and its inverse safek d'rabanan l'kulah) a principle from the Torah, or a din d'rabanan? How does this change how we react in these sefeikah situations?
3
votes
2answers
141 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 ...
2
votes
1answer
164 views

Anti-libertarian-ism in Chazal

Most of the halachos of Choshen Mishpat have to do with one person's responsibilities viz-a-viz another person's rights. However, there is at least one halacha of which I am aware where Chazal told ...
1
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2answers
321 views

How was Tevilas Ezra effective in limiting conjugal relations?

Many go to mikve (perform ritual immersion) every morning. One reason for this is voluntary continuation of a cancelled decree, Tevilas Ezra, meant to limit conjugal relations by requiring immersion ...
3
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2answers
55 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
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1answer
63 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 ...
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0answers
58 views

Why make the Kohen burning the Para Aduma rabbinically impure?

The Gemara says that we make the Kohen burning the Para Aduma (the red heifer) impure and then dip him in the Mikva. The reason given is that there is an argument between the Rabbis and the Sadducees ...
4
votes
1answer
271 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 ...
3
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2answers
136 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 ...
3
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0answers
179 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 ...
2
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1answer
284 views

Why does the “Dorff teshuva” of the Conservative movement say that homosexual relations are a *rabbinic* prohibition?

In a teshuva issued by the Conservative Movement entitled Rituals and Documents of Marriage and Divorce for Same-Sex Couples by Rabbis Elliot Dorff, Daniel Nevins and Avram Reisner, it is claimed in a ...
8
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1answer
104 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 ...
1
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1answer
91 views

Are Kol Ishah and seeing a woman's exposed hair rabbinic prohibitions according to the Shulhan 'Aruch?

According to the Shulhan 'Aruch (Even Ha'Ezer 21:1), it is: ואסור לשמוע קול ערוה או לראות שערה. והמתכוין לאחד מאלו הדברים, מכין אותו מכת מרדות. ואלו הדברים אסורים גם בחייבי לאוין.‏ Forbidden ...
3
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0answers
68 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 ...
1
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1answer
122 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 ...
2
votes
1answer
111 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 ...
4
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1answer
54 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 ...
2
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0answers
86 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. ...
2
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2answers
160 views

How did Chazal know they were right about “who is a Jew”?

My question is predicated on the assumption that Jews were created by God as fundamentally different from non-Jews. (I am referring, for example, to the idea that Jews have a special type of soul. And ...
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 ...
3
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3answers
252 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
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2answers
114 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 ...
8
votes
1answer
127 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 ...
24
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2answers
555 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 ...
11
votes
3answers
395 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
102 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 ...
4
votes
1answer
104 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
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3answers
250 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
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1answer
70 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?
8
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2answers
193 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
101 views

decree of two days 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
62 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
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5answers
356 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 ...
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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)