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Questions tagged [issur-vheter]

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48 views

Can a Talmid Chacham pasken something isn’t shaatnez for himself

According to this answer, the Taz believes that a Talmid Chacham has the right to pasken for himself, however there is an exception if something has a previous status of prohibition. Can a Talmid ...
0 votes
4 answers
236 views

What is the היתר to have long bangs and hairdos nowadays?

I remember hearing that there were gentiles from years ago (not sure what time period) that used to leave a lot of hair on the front of their heads and would have the rest of their hair either shaved ...
5 votes
1 answer
838 views

Does the Issur of Zera Levatala still apply to a infertile person

If a person has been diagnosed and confirmed by doctors as infertile, does the Issur of Zera Levatala still apply to them?
3 votes
1 answer
304 views

Good shiur on Issur Vehetar for semicha?

I'm looking for clear and concise shiurim on Issur Vehetar that gives a summary of the Shulchan aruch with Shach and Taz to aide in my smicha studies. I see there are many shiurim on yutorah but I ...
1 vote
0 answers
107 views

Am I allowed to print individual sheets or full Seforim from copyright Seforim found online? [duplicate]

"if someone posted a copyrighted book accessible online, what does halacha say about printing it? I'm worried about Gezeilah on the one hand, but perhaps since there is no loss to the owner it ...
1 vote
1 answer
156 views

May one take vitamins without a hechsher? [closed]

I.e, vitamins from big pharmacies. Are there kashrus issues? Must they be certified?
3 votes
1 answer
266 views

Shiurim of Rabbi Yitzchak Berkovits

Does anyone have the shiurim of Rabbi Yitzchak Berkovits which he gives in his Kollel(not his daily Mishna Berura Shiur)? There are only a few on the Jerusalem Kollel website.
11 votes
7 answers
1k views

Looking for a sefer to help prepare for smicha

I am currently learning hilchos taaroves and will soon be moving on to basar bechalav and melicha etc. in preparation for getting smicha. I have looked around and found countless (literally countless) ...
5 votes
1 answer
113 views

What precisely are the differences between היתר מצטרף לאיסור and טעם כעיקר?

Learning maseches nozir around daf 35, I encountered two concepts: היתר מצטרף לאיסור (HML) and טעם כעיקר (TK) HML The Gemoro 35b indicates that HML is derived from Bamidbar 6(3) מִיַּ֤יִן וְשֵׁכָר֙ ...
8 votes
1 answer
241 views

Food that became prohibited because of a fly, then was separated into 3 new parts, nullified?

There was a pot of soup that a fly fell into it. The fly was not located and therefore the whole soup became prohibited. Even though the soup might have 60 parts against the fly, still since the fly ...
0 votes
0 answers
65 views

Collecting water before pesach

People who are worried about chometz in water on pesach collect water before pesach so it can be Me'vutal before pesach. However won't they cause themselves a bigger problem? If they are worried for ...
7 votes
1 answer
4k views

Divorced woman remarrying her ex-husband

May a woman, who after receiving a get from her husband has relations with another man out of wedlock, remarry her husband?
4 votes
1 answer
263 views

Cold smoking and kashrut

related Cold smoking is a process by which food is cured by contact with smoke which fills the whole vessel but does not [ideally] exceed 80˚F, which is well below yad soledet (at least for my hands) ...
1 vote
2 answers
132 views

Is a neder against doing a prohibited behavior a neder?

If one makes a neder not to do something issur derabbanan, if they break it, are they liable for the neder?
4 votes
1 answer
256 views

Materials that don't absorb

If a utensil can't become meat or milk through bliya, (like wood does) then is it ever possible to become non-kosher?
11 votes
4 answers
2k views

Which prohibition does one commit when viewing pornography?

Excluding wasting one's seed (hotzas zera l'vatelah) and Bittul Torah (wasting one's time by not learning Torah), which Jewish commandment or law (Biblical or Rabbinic) is one breaking when viewing ...
1 vote
1 answer
252 views

Milk & Meat by milk of a dead cow?

Someone told me today that they thought it was permitted to mix milk and meat if the milk was extracted from a dead cow (ie by cooking its udder). However I was unable to confirm in my googling. Has ...
4 votes
2 answers
409 views

Walking in front of someone saying kaddish

I have heard that in addition to the prohibition of passing in front of someone who is davening shemoneh esrei, it is also forbidden (or at least improper) to walk in front of someone who is saying ...
1 vote
0 answers
33 views

Is nosein ta'am lifegam mutar only bedieved or even lechatchilah? [duplicate]

If a food is hot enough, it can give off its taste into the utensil it is touching. This is called bli'os. If these bli'os are less than 24 hours old, they are called nosein ta'am leshevach, and ...
4 votes
2 answers
2k views

Mezzuzahs- putting them up, and saying brachot

Is there an "issur" regarding not putting up a mezuzzah? Is there such thing as having 30 days until the issue kicks in? Also, can you say the bracha each time you put one up? Or, if two different ...
4 votes
1 answer
145 views

What is the shiur Hanaah?

How much Hanaah (physical benefit) must one have of things prohibited as an Issur Hanaah (things forbidden for benefit) like milk and meat, Kiley HaKerem (certain grape mixtures), or Avoda Zara (...
7 votes
1 answer
2k views

What makes something a davar charif and is there a canonical list?

This question asks if Beer is a davar charif based on the hops being bitter. I was very surprised at the premise because charif means sharp, not bitter. I also vaguely recall seeing a list of 5 items ...
3 votes
3 answers
438 views

Absorption of Taste in Pot-Scientific explanation

Is there a scientific explanation for the concept of "blias issur" absorption of taste in pots. Like for example if since heat expands materials maybe the taste creeps in. (I'm not asking about ...
0 votes
0 answers
42 views

Can I help my friend who avoids the Internet on principle by booking airline tickets for him on the Internet? [duplicate]

I use the Internet (with safeguards). My friend does not use the Internet because of the dangers. Is it right for him to ask me to do jobs for him using the Internet (eg booking airline tickets)? ...
4 votes
1 answer
155 views

Which Tzemach Tzedek?

When the Pitchei Teshuva (on the daf of Shulchan Aruch Yoreh Deah) quotes teshuvot of the Tzemach Tzedek, who is he quoting? Is he quoting Rabbi Menachem Mendel Schneersohn, the Tzemach Tzedek of ...
7 votes
3 answers
670 views

Cooking in a day old pot on purpose

Generally (setting aside cases of a "davar charif" -- spicy thing) if one cooks in a pot that is not "ben yoma" (i.e. they cooked milk in a pot that was used for cooking meat more than a day ago) and ...
0 votes
1 answer
1k views

Wearing tallis and tefillin before z'man

About the time the clocks change for the season, there is always an issue at the early early minyan about when to put on tallis and tefillin. In a few weeks of the year, that time can come 5 - 15 ...
6 votes
1 answer
172 views

Relying on the tasting of a Jewish chef

In Yoreh Deah (Hilchos Issur V'Heter) we learn about the laws of relying on a chef ("kefelah") that is a goy to help determine if there is the taste of food that might be prohibited inside of a ...