10 votes
Accepted

Is there a concept of "bitul beshishim" with regards to fish?

As always, the answer is: "it's a machlokes!" Open up a Shulchan Aruch to Yoreh Deah 116:2, where it says not to mix meat and fish. The Taz's opinion is that because meat-and-fish is a health ...
Shalom's user avatar
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8 votes
Accepted

A Fleishig-Milchig Mixture that's Pareve

It's Shulchan Arukh YD 98:9 קדירה שיש בה נ"ט זיתים היתר ונפלו בה שני זיתים אחד של דם ואחד של חלב כל אחד מצטרף עם הנ"ט של היתר לבטל חבירו וכן כ"ט זיתים של היתר שנפל בהם כזית חלב ובקדרה אחרת היו ...
Double AA's user avatar
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6 votes
Accepted

Why Are Bugs Not Batul Bshishim?

There is a special rabbinic law which says a בריה, any living thing in it's entirety, cannot become nullified due to it's being special in a sense. You can see more about this in Shulchan Aruch Yoreh ...
user6591's user avatar
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5 votes

How is batel beshishim verified practically?

In general Askenazim follow the Rema and do not rely on someone tasting it. See here and here If the question is about a mixture that would be forbidden m'dioraisa if it is not batul in 60, then we ...
פרי זהב's user avatar
4 votes

Is Bitul Chameitz effective on unknown chameitz?

The whole point of nullifying chamets is to renounce ownership of chamets that you didn't find while you were checking for it (see Pesachim 6b), so it would have to work on unknown chamets. The case ...
b a's user avatar
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4 votes
Accepted

Is chelev nullified in 1/60?

Yes, nullification in 60 applies to suet just like most prohibited foods. (Rambam, Forbidden Foods 15:17)
Double AA's user avatar
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4 votes
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Bittul of Hameitz in Mixtures Aquired Before Passover

Before nightfall at the start of 15 Nisan, Chametz is just like any other prohibited food in terms of nullification in mixtures (ShA OC 447:2, cf. YD 102:4) so regular rules like 1:60 and Ta'am Lifgam ...
Double AA's user avatar
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3 votes

Batel b'shisim on a large scale

The Rambam (MT Ma'achalot Asurot 9:10) writes If the milk fell into the sauce or onto all the pieces and it was not known on which piece [the milk] fell he should stir the entire pot so that ...
mbloch's user avatar
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2 votes

Does Tuma get nullified?

Rambam Metammei Mishkav uMoshav 2:6 says that if a Zav's saliva fell into water and it dissolved into the water then everything is Tahor assuming the water hasn't changed color. Looking at further ...
Double AA's user avatar
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2 votes

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

If the fly is still intact and there's no way of locating it e.g the soup had loads of poppy seeds floating around, then Shulchan oruch Yoreh Dea siman 100 would apply: Seif 1: בריה דהיינו כגון נמלה ...
user15464's user avatar
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2 votes

Ratios of Hameitz-to-Other for Owning

For the first answer, I was involved in this big Suggiah, Rambam, Ramban on Sefer Hamitsvot, and Rabanu Tam, others. It appears that explaining the halacha lead to high degree of complexity. To make ...
kouty's user avatar
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2 votes

Bittul (nullification) and Mechira (sale)

The Ramban Pesachim 4b says that Bittul (nullification) can only work on chametz that he completelely abandons ownership. ה"מבטלו בליבו" - אין אדם עובר אלא על חמץ שלו שהוא רוצה בקיומו ודעתו עליו, ...
user15464's user avatar
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2 votes

A drop of milk gets into the chicken soup, can one still eat the soup?

Let me offer a practical answer to what is a deceptively simple question If there is only hot soup and no meat, or if there is meat but the milk fell in the soup: if the volume of soup (including any ...
mbloch's user avatar
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2 votes
Accepted

Nullification of non-kosher utensils or dishes

Whether a dry issur (forbidden thing) that was already Batel berov (nulified) can be considered heter (completely permitted like the majority) to nullify more issur is a debate. Shach says yes Pri ...
user15464's user avatar
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2 votes

Why ‘that which I burnt and that which I haven’t yet burnt’?

You assume that לבער means "to burn", although it's R Yehuda opinion on Peshachim 21a, We don't accept his opinion, we accept the opinion that one can get rid of the chametz in many ways (burning is ...
Alaychem goes to Codidact's user avatar
2 votes

May a Jew drink a fruit drink that has less than 1/60 of grape juice?

One should note that the bitul you are referring to can only take place if the grape juice (as in your example) was added accidentally. In the case that you mention, the grape juice was a deliberately ...
sabbahillel's user avatar
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2 votes
Accepted

How much non-water liquid invalidates a mikvah

Liquids other than water such as wine will render a mikvah non-kosher if they change its appearance. (Shulchan Aruch Yoreh Deah 201:25)
Joel K's user avatar
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2 votes
Accepted

Bitul and gid hanashe

It can be nullified unless the (biblically) forbidden section remains intact. See Shulchan Aruch Yoreh Deah 100:1: בריה דהיינו כגון נמלה או עוף טמא וגיד הנשה ואבר מן החי וביצה שיש בה אפרוח וכיוצא בהם ...
shmosel's user avatar
  • 3,236
1 vote

תרומה becoming בטל in חולין. How does it work exactly?

I think the point according to R' Akiva is if you can separate the mixture, it's not mixed. Let's say there were 100 black chulin and no white, and one white terumah falls in. It's not batel because ...
Heshy's user avatar
  • 9,126
1 vote

A drop of milk gets into the chicken soup, can one still eat the soup?

The questioner is correct. Shulcha aruch Yore dea 98,1 איסור שנתערב בהיתר מין בשאינו מינו כגון חלב שנתערב בבשר יטעמנו גוי אם אומר שאין בו טעם חלב או שאומר שיש בו טעם אלא שהוא פגום מותר והוא שלא ...
user15464's user avatar
  • 11.4k
1 vote

Putting Oreos in your Cholent

The OU's psak is based on treating the cookies as a case of Nat bar Nat i.e. dairy 'taste' absorbed by the machinery is then considered to have been absorbed by the pareve cookies, even if the ...
Joel K's user avatar
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1 vote

Unsupervised milk - there was a treife animal in the herd

R Asher Weiss has a teshuva on a similar topic (Shut Minchat Asher, vol. 1, page 126). He answers how one can drink milk from a herd when one knows statistically some of the cows will be tereifot. He ...
mbloch's user avatar
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1 vote
Accepted

Deliveries during Pesach

From torah.org: QUESTION: What should be done if a package containing chametz arrives at one's home or business during Pesach? DISCUSSION: One who knows - or even suspects - that the package may ...
Michoel's user avatar
  • 135
1 vote

A Fleishig-Milchig Mixture that's Pareve

The answer of Rabbi @Double AA is perfect but I have a great desire to talk about this topic with a couple of mishnayot and Gemarot. see mishna Orla (2, 2-3): הַתְּרוּמָה מַעֲלָה אֶת הָעָרְלָה, ...
kouty's user avatar
  • 22.7k
1 vote

Bittul of Hameitz in Mixtures Aquired Before Passover

Two unrelated uses of the word bitul, which is causing some confusion here: If the quantity of chametz in this food is negligible, it's not considered "chametz." I declare any chametz I own to be "...
Shalom's user avatar
  • 132k
1 vote

Ratios of Hameitz-to-Other for Owning

Halacha (The following is not a comprehensive halachic discussion) We are dealing only with Chamets mixed before Pesach Min beMino (homogeneous mix), in a dry mixture (for example flour Chamets ...
kouty's user avatar
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