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2
votes
0answers
59 views

Chometz less than the size of a Kezayis

ב"ה I've heard when cleaning for Pesach that chometz that is less than the size of a kezayis isn't significant enough to be considered chometz. I am talking only concerning chometz which one isn't ...
5
votes
1answer
91 views

Does nullification mean something no longer exists, or just that it has no Halachic significance?

[For the record, (I believe) I know the answer, but I saw someone post the question, as stated in the subject, on social media, and I am drawing it to its logical conclusion here.] Say, for example, ...
3
votes
2answers
182 views

How can we just make our chametz ownerless?

I'm trying to understand the "legal fiction" wherein we declare any chometz we have as ownerless like the dust of the earth. Is this halachically acceptable? How can a person declare something in his ...
2
votes
0answers
57 views

Batel b'shisim on a large scale

Suppose someone is making a huge 50-gallon vat of cholent. Accidentally, an entire bag of milk breaks and spills into the cholent. There is more than 60x as much meat cholent as there is milk, so the ...
-1
votes
1answer
91 views

Ashkenazic Rabbanim who hold Kitniyot are batel berov lechatchilah before pesach

Are there any Ashkenazic poskim who hold, like R.Yitzchak Abadi, that kitniyot are batel berov lechatchilah before pesach, thus allowing Ashkenazim to drink regular coke with corn syrup, for example, ...
5
votes
1answer
55 views

Does Tuma get nullified?

If a drop of Tuma liquid (say a "Mashke" of a zav) falls into a huge vat of water, do we say that all the water is now an Av, or do we say it could get nullified. If it gets nullified, at what ratio? ...
5
votes
0answers
47 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 ...
-1
votes
2answers
65 views

Limited nature of products considered kosher

I was reading about the laws of bitul, though I've never learnt about them properly in any detail. One example given in the book (An Artscroll book on kashrut) was that you can assume that a grocery ...
8
votes
1answer
95 views

What's the Shiur of Mashehu?

Certain issurim (forbidden things) can become batel (halachically nullified) if they were unintentionally mixed in heter (permitted things). In order for this to happen, the heter must outnumber the ...
8
votes
1answer
89 views

Can non-Jews utilize the princple of bittul berov?

The concept of bittul berov means that in certain cases, if some non-kosher food gets mixed up in as much kosher food of the same type such that nobody knows which piece is the non-kosher part, the ...
2
votes
0answers
42 views

Can you buy juice before Pesach without a Pesach certification? [duplicate]

The Kitzur Shulchan Aruch, 117:1, says that before Pesach, Chametz is batel b'shishim. So for example, a bottle of 100% apple juice, even if it hasn't been certified that you can know 100% sure that ...
7
votes
2answers
96 views

What makes something “worthy of being honored”?

When a piece of meat is in a mixture that should nullify it, we don't consider it nullified if it is ראוי להתכבד, or "worthy of being honored", something you would serve to a guest. Is there some kind ...
2
votes
3answers
122 views

One-in-Sixty Versus Roiv- Why both?

There are two concepts in the Halacha of Bittul (nullification). One says that if there is an item that is Unkosher that falls into another item that is Kosher, and it is a mixture, and the Unkosher ...
10
votes
1answer
174 views

Nullifying Ancient Israelite Idols

Following up on a question raised on the Avodah list (see here & here under the subject “Destroying Idols”). Archaeologists often dig up idols whose worshipers have abandoned them over the ...
1
vote
1answer
90 views

Are preservatives called a “davar ha'mamid”

At the end of YD Siman 87 we find the dinim of "mamid". Over there it's speaking about cheese made in the skin of the kevah of a nevilah of treifah. The Rema explains that because it is an issur for ...
6
votes
0answers
143 views

The stolen maple syrup and kashrus

Does anyone know if there is going to be a kashrus problem with maple syrup next year? A rather large amount of maple syrup was stolen last year. The thieves did not keep it in the original casks, ...
2
votes
2answers
88 views

Dried insects - permissible?

I just read the website of a Kashrut inspection agency with which I'm familiar, but only insofar as I have seen it many times and tried, but failed, to find any information about the agency's ...
8
votes
1answer
270 views

Bitul BeRov - the classic case in real life

In Halachah there's a tremendously powerful concept of Bitul BeRov (nullification among the majority). It goes like this: If you have three identical pieces of meat, and you know for a fact that one ...
7
votes
4answers
521 views

tap water on Pesach

The New Croton Reservoir supplies much of New York City's tap water, and people are allowed to — and do — go out on boats and fish. I'd venture a guess that almost every Saturday and Sunday, a piece ...
6
votes
1answer
77 views

Does דבר שיש לו מתירין apply to כל דפריש‎?

Often, there's a rule that a forbidden substance (or object) that got mixed with sufficiently much (or many) permitted substance (or objects) is בטל ("nullified" is the usual translation, though I ...
4
votes
1answer
337 views

If chametz is batel before Pesach

If chametz can be batel before Pesach, why don't we buy (before Pesach) any commercially produced product with year-round (i.e., not Pesach-specific) kosher certification which does not list chametz ...