NOTE: Like Wikipedia, this site makes no guarantee of validity, and does not offer professional (particularly rabbinic) advice. Treat information from this site like it came from a crowd of your friends. // Jewish law. Specifically, the legal process beginning with the written Torah and continuing ...

learn more… | top users | synonyms (5)

3
votes
1answer
32 views

Answering to zimmun twice

In a Suda shlishit of 30 people, one person had to leave and 9 answered to his Zimmun "Nevarech elokeinu...". What should these 9 people answer to the general Zimmun later on?
6
votes
1answer
114 views

Why do women wear ponytail elastics on Shabas?

So I was studying the start of Bame Isha in the Bavli (Shabas 57), and it seems a woman can't wear a tight strap or string in her hair outside (of an eruv) on Shabas (lest she remove it out of doors ...
2
votes
1answer
310 views

Can I tuck tzitzit into the fabric square corners?

These are Neatzit, a tzitzit undershirt. In dealing with a child who fidgets and therefore picks at the tzitzit, such that at the end of the day, they are entirely undone, can I tuck the tzitzit ...
3
votes
2answers
116 views

Birchas Illonos questions

From when until when are you allowed to make the bracha,and what is optimum?
8
votes
1answer
95 views

Correcting one's father or one's rav when he is leyning

The Shulchan Arukh (YD 240:2) rules that one is never allowed to contradict one's father in his presence, and that when it comes to one's rav (or one's father if he is a Torah scholar; YD 242:1-2), ...
3
votes
1answer
33 views

Halachot of burial vs. minhagim thereof

This answer gives a rough estimate that about 90 percent of hilchot kevura (laws of burial) are based on local minhag, rather than actual halacha. Taking this into account, the next logical conclusion ...
2
votes
1answer
29 views

Questions about the fence dividing a subdivided field

Mishna Bava Basra 7:4 says: האומר לחברו חצי שדי אני מוכר לך--משמין ביניהם, ונוטל חצי שדהו. חצייה בדרום אני מוכר לך--משמין ביניהם, ונוטל חצייה בדרום. ומקבל עליו מקום גדר, וחריץ ובן חריץ. וכמה ...
11
votes
1answer
123 views

Do you have to consider neighbors when building a shul?

Are there any halachic obligations to consider the averse effects that building a shul may have on Jewish neighbors? This may include things like lowering property value, noise and other disturbances, ...
4
votes
2answers
76 views

What were the Rambam's sources?

In the introduction to the Mishneh Torah, the Rambam indicates that his compilation of the entire Oral Torah is derived from a few key Jewish texts: ואין צריך לומר הגמרא עצמה הבבלית והירושלמית ...
6
votes
2answers
126 views

Does the existence of insurance affect end-of-life Halacha?

Consider the following case: A baby is born with severe congenital defects. The doctors say that if nothing is done to address them, the baby will die within days. They also say that there's a series ...
3
votes
0answers
34 views

Are there any responsa that encourage or require maintaining health insurance?

Are there any responsa in the literature that either encourage or require people to maintain health insurance, perhaps as a fulfillment of the obligation to guard one's health, or in line with any ...
3
votes
2answers
132 views

Shabbat afternoon, when lounging on the couch, is it OK to wear sweatpants?

"Your Shabbat activities shall not be like your weekday activities". From this we learn that we should dress differently on Shabbat. Say you finished the meal and want to sit and read by the couch. ...
1
vote
2answers
35 views

Saying Hamapil after Alos Hashachar

If one was up all night and went to sleep after Alos Hashachar does one still say Hamapil?
0
votes
1answer
43 views

Is it a problem to eat animal leftovers

Is it true that there is a Jewish custom not to eat after animals (even if not mius issue (ie the person eating does not know)) ie if a rat ate a peace of a fruit I can't just cut off that part and ...
3
votes
4answers
86 views

Does a b'chor need to fast if he didn't partake in food from the siyum?

If a b'chor attended (or made) a siyum on taanis bechoros but did not partake of any food does he need to fast?
1
vote
2answers
49 views

Can you make chometz ink on Pesach?

My cousin would like to know about the permissibility of making ink on Pesach. The ink recipe includes flour, fruit juice, vinegar, and a little water. According to my cousin, it's not ראוי לאכילת ...
2
votes
1answer
32 views

Kidushin with food from someone else's banquet

I heard that a person can perform kidushin with the food of someone else's banquet, when he's been invited as a guest. Is this true? If so, why? (Do the owners of the banquet relinquish ownership ...
1
vote
0answers
52 views

Does baby toothpaste need a hashgacha?

According to Rav Yisrael Belsky (and based on the reasoning of Rav Yaakov Kaminetsky) toothpaste which contains non-kosher ingredients (such as animal-derived glycerin) is only kosher when the ...
4
votes
3answers
103 views

Witnesses and the Ketubah

I heard from a chief rabbi of an Israeli city, who was officiating at a wedding I was at, that a Ketubah must be signed by two witnesses who are shomer mitzvos. What is the legal definition of this ...
3
votes
1answer
56 views

Holly Jolly Sukkos

An idol used by an idolater is assur b'hanaah (roughly, forbidden for use) and only loses that status if an idolater physically annuls it's "consecrated" status, e.g. by damaging it. Similarly, ...
0
votes
1answer
51 views

Vegan tekheileth

Does the oral tradition that identifies the hilazon as the source of tekheles necessarily indicate that one could not create the indigo-colored wool by other means? The gemara certainly indicates that ...
4
votes
1answer
127 views

Is scaring someone allowed?

Is scaring or startling someone for no reason allowed? What if there is a reason, such as helping them get rid of the hiccups? By scaring I am referring to causing someone to be afraid, such as by ...
3
votes
0answers
56 views

Is there Ribis in America?

Rav Moshe Feinstein, z"l, is lenient with regard to allowing the loaning of money to a corporation because he maintains that the prohibition of ribis (usury) only applies where there is a shibud haguf ...
2
votes
0answers
47 views

Pursuing pluralist purpura

According to most rishonim (and the simplest read of the extant Talmudic texts) the tekhelet string is dyed in its entirety. However, the Rambam maintains that only half the string is dyed such that, ...
2
votes
2answers
52 views

Saying the Ribono Shel Olom after counting the Omer

If one is no longer counting the Omer with a Brocho can one still recite the Ribono Shel Olom prayer?
5
votes
1answer
505 views

Criteria to be considered a gentile for the purposes of selling chametz?

I understand that for some tasks or jobs (particularly those relating to kashrut), Judaism ritually requires more than the criteria of matrilineal descent to qualify as a Jew. E.g., as I understand ...
5
votes
1answer
183 views

How to check blood sugar on Shabbos

Diabetes is a חולי שיש בו סכנה, an illness that poses a danger to life1. As such, everything necessary for caring for diabetes must be done on Shabbos, even if it includes איסורי תורה. (see Shulchan ...
8
votes
3answers
674 views

Edim Zomemim - Why Not Believe Them?

There is a concept of Edim Zomemim (Wikipedia has it translated as "Collusive Witnesses") (עדים זוממים). Basically, if two witnesses testify about someone, and then two other witnesses come and say ...
6
votes
1answer
46 views

If a chazzan has to repeat Shmoneh Esrei, can he use the chazarat hashatz for that?

Let's say a chazzan makes a mistake in his personal Shmoneh Esrei that he would have to repeat it for (e.g. missed yaaleh vyavoh). Can he use the chazarat hashatz as his required repetition, or must ...
13
votes
2answers
2k views

Why is it permissible to flush a toilet on Shabbat?

I have been reluctant to ask this question on this website because it sounds so ridiculous, but as Rabbi Hillel said in Avot 2:6 "one who is bashful cannot learn" so here goes... Why is it ...
0
votes
0answers
17 views

Is one liable for making a ruling around his teacher if the ruling is wrong?

There's a Halacha that one's not allowed to make a ruling around his teacher, and if one does he is liable to the death penalty at the hands of heaven. The two examples that I can think up from the ...
12
votes
4answers
2k views

Basic laws, why is milk with meat not kosher?

I've recently read (again) the verse "לא תבשל גדי בחלב אמו", meaning, "Do not cook a young goat in its mother’s milk". How did anyone get from that, to "Don't eat meat with milk at all"? I've always ...
0
votes
0answers
44 views

Is one allowed to have a non-Jew cook for him on Shabbos?

Generally, there are ways to have a non-Jew do Melacha for a Jew (You don't tell him explicitly, the non-Jew does it for himself, etc.) Is there a way to get a non-Jew to cook for you on Shabbos ...
2
votes
0answers
28 views

What type of “rainbows” require a bracha?

Shulchan Arukh, Orach Chayyim 229:1 says: הרואה הקשת אומר בא"י אמ"ה זוכר הברית נאמן בבריתו וקיים במאמרו. ואסור להסתכל בו ביותר: One who sees the rainbow says, "Blessed are you, God our ...
6
votes
1answer
67 views

Automated Cooking Machine Programmed

I realize in most situations to have a factory line be "cooked by a Jew" an observant Jew would have to turn the oven on, stove on, or something along those lines. This morning I saw this article ...
4
votes
1answer
2k views

Live Vs. Recorded Music during the Omer

What are Halachik reasons that some Poskim allow recorded music during the Omer, but others forbid all music?
7
votes
3answers
320 views

Saying 100 Berachoth in a day

What is the source for the idea that one should say 100 Berachoth in a day, and how serious of an obligation is this? Is it mandatory, is it laudatory, or is it merely a nice idea?
2
votes
1answer
36 views

How does a husband make a neder on his wife

How does a husband make a neder on his wife? From shulchan aruch, even ezer: 115.10 (not to talk to someone (maybe only men?)) אם השביע אשתו שלא תדבר עם פלוני ועברה ודברה עמו עוברת על דת היא ...
10
votes
1answer
127 views

Participating in a non-Kosher food co-op

A food cooperative is a member-owned food store. It is typically set up that in order to shop there at discount prices, each person can become a member if they agree to volunteer a certain amount of ...
1
vote
1answer
218 views

Shiluach HaKan and a possibly Tahor bird

Shuchan Aruch Yoreh Deah 292:1 rules that the commandment of shiluach hakan applies only to birds which are tahor, a kosher species. The meforshim explain that the Torah say tzipor which only refers ...
3
votes
2answers
58 views

If one has a heter to do something unusual, must one do so discreetly?

If one has a heter to do something unusual, must one do so discreetly? I am essentially asking whether marat ayin concerns are relevant to this type of situation. (As for "Why wouldn't they be?"--I ...
4
votes
0answers
42 views

Can one sell Chametz he doesn't know about?

If one sold his Chometz in his house for Pesach, and then found (on Pesach) some old Chometz food lying around, does he have to burn it? He probably didn't have it in mind during the sale, but on the ...
3
votes
0answers
44 views

Not passing up a mitzvah: putting away laundry at a parent's behest: closest pile first?

My kid asked: I know there's a general rule of en maavirin al hamtizvos, we don't pass over a mitzva. For example, in mishnayos Yoma, the kohanim don't pass over the nearest blood basin to put ...
4
votes
1answer
326 views

is there an issue in visiting a cemetery while menstruating?

Is there an issue about going to a cemetery while menstruating? If so, is it a prohibition or recommendation? What about going to a cemetery at night? I was told there might be an issue with ...
2
votes
1answer
27 views

Transacting with a Jewish owned company who profited from chometz on Pesach

In my neighborhood there is a supermarket which is owned by a non-religious Jew. He keeps it open over Pesach and sells (and presumably buys) chometz. The community does not purchase chometz items ...
2
votes
1answer
78 views

Is a library book with an embedded RFID tag a problem on Shabbos?

RFID tags have very many uses in identifying different objects via radio waves. Recently, libraries have started using them to help keep track of books. I would imagine that the tags, in themselves, ...
0
votes
0answers
168 views

Costco after Passover

There is a Rabbinic prohibition on benefiting from chametz that was owned by a Jew over Passover. In recent years, an issue was raised in the New York area that [a major distributor of grocery items ...
5
votes
1answer
502 views

May Jews sell wine to Christians for them to use in their religious ceremonies?

(This question is based on an older one which Rabbi Levi Cash posted a few years ago.) Under Charlemagne in the 8th century and the Carolingian emperors, Jews provided wine for Christian mass. But I ...
4
votes
0answers
54 views

Renting digital services to Jews who are known to work on Shabbes

Given the following scenario: A Jew is the sole owner of a digital business which rents its services (a digital platform that does not require human intervention from part of the owner) for a monthly ...
3
votes
0answers
21 views

Making a kinyan on hefker items on Shabbat

Is it possible to take possession (make a kinyan) of items which are hefker (ownerless) on Shabbat? I know that business transactions are prohibited, but i'm unsure whether this applies to any ...