Questions tagged [derabanan]

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

25 questions with no upvoted or accepted answers
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9
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0answers
622 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
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1answer
138 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 ...
5
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0answers
45 views

Eating matzah on the second day of erev Pesach

I don't have all the sources and grounding for the various suppositions I am going to present so I apologize -- I fear I can't put this question into proper words: We refrain from eating matzah (at ...
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
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0answers
95 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
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0answers
44 views

Is it preferable to learn torah related to biblical obligations over learning torah related to rabbinic obligations?

If all things are equal is there any reason to give preference to studying torah about a biblical obligation over studying torah about a rabbinic obligation? In general we give precedence to biblical ...
3
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0answers
34 views

Extending gezeirot about melacha to other activities

I feel like this is too obvious even to ask (or that it is a dupe...) but here goes: If we do not use already ground medicine on Shabbos for fear that we might come to grind medicine, then why can we ...
3
votes
2answers
190 views

What is considered “a case of need” when it comes to violating a double rabbinic prohibition?

A shvus dshvus (rabbinic prohibition on top of a rabbinic prohibition) is allowed במקום צורך (in a case of need). But what is considered במקום צורך? And is a shvus dshvus allowed for anything besides ...
2
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0answers
58 views

Sources for contemporary applications of משום איבה

My answer to Eating with non jews gives an example of a prohibition to prevent intermarriage and the use of the concept of משום איבה to relax the prohibition. More generally, on the one hand, ...
2
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0answers
215 views

Halachic status of divrei sofrim

As this answer explains, "divrei sofrim" refers to a category of halachos instituted by rabbis, but understood as having a Divine imprimatur because prophets were involved in their legislation. They ...
2
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0answers
82 views

Machlokes Deoraisa vs Muttar - non-Jew vs Jew

If one Rav paskens somemthing is Asur Deoraisa and another Paskens totaly mutar, beshas hadechak is it better to get a non jew to do it or a jew whose rav holds its muttar? For example, if a certain ...
2
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0answers
203 views

Are there Published Legal Defenses Resolving Objections Against Rabbinic Authority?

Are there Rabbinic "apologetic or polemic works" that focus only on the rational validity, and logical objections raised by other Jews1 -- against: (1.) the Rabbinate's authority in Judaism over other ...
2
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0answers
126 views

Should driving be permitted on Yom Tov for a choleh she-ein bo sakanah?

Since hav'arah (i.e. sparking a new fire) is only de-rabbanan on yom tov (according to some opinions), should there be more halakhic leeway for driving to obtain medical care on a holiday (not on ...
2
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0answers
44 views

Shinui and Shemittah: Is there such a thing?

I don't remember the exact words used in the pesukim to describe shemittah, but I do remember that it uses a very similar lashon to shemirat Shabbat. As in, it is forbidden to work the land because of ...
2
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0answers
144 views

Can a rabbinical mitzvah (that is currently being done) override a biblical mitzvah?

There's a principle of Osek Ba-Mitzva Patur Min Ha-Mitzva that says that if one is in the midst of doing one mitzvah he is exempt from performing other mitzvot. Do both mitzvot have to be of the ...
2
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0answers
131 views

Is a triple shvus allowed?

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 ...
2
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1answer
92 views

Did Avraham Avinu daven all the tefilos or just Shacharis?

We learn (Brachot 26b): תניא כוותיה דרבי יוסי בר' חנינא אברהם תקן תפלת שחרית שנא' וישכם אברהם בבקר אל המקום אשר עמד שם ... יצחק תקן תפלת מנחה שנאמר ויצא יצחק לשוח בשדה לפנות ערב ואין שיחה אלא תפלה ....
2
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1answer
208 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 ...
2
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2answers
76 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
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0answers
22 views

The cutoff for eating חדש was delayed after the בית המקדש; what about the cutoff for its taking root?

We used to bring a flour-offering called the "omer" on the sixteenth of Nisan. The halacha, as practiced when we had a bes hamikdash, is that any grain that took root after the omer is brought one ...
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0answers
68 views

What's the heter to ask a non jew to fix a sukkah on yom tov

The Mishnah Berurah 637:1 says its forbidden to build a sukkah on yom tov or to fix the schach if it fell off. However, through a non jew יש להתיר, he says it's permissible. Im curious what is the ...
1
vote
1answer
216 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 ...
1
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1answer
125 views

At what point are people responsible to keep a new Rabbinic holiday?

When a new Rabbinic holiday is instituted, such as Chanukah, it naturally took time for Jewish people in far away lands to learn of the new holiday, it's rules and mitzvot. It may also have taken time ...
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0answers
29 views

Derobonon extensions of mide'oraita laws - list

In Mas. Kiddushin, 45b, the gemara discusses a woman who has undergone eirusin but the status of her nesuin is in doubt. The question arises as to whether she can (if she married a kohein) eat of his ...
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0answers
99 views

Why is Tisha b'Av stricter than other mitzvos with regard to rabbinical prohibitions for a choleh?

Why is Tisha b'Av apparently stricter than other mitzvos--including Shabbos--with regards to rabbinical prohibitions for a choleh? On Shabbos, one who is in a state of choleh kol gufo (debilitating ...