Questions tagged [bitul-batel-null]

halachik nullification of a particular item

10 questions with no upvoted or accepted answers
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12
votes
1answer
351 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, ...
8
votes
1answer
269 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 ...
6
votes
0answers
70 views

Informing someone that the food they are eating is permissible only b'deved(after the fact)

Does one need to inform someone that the food they are about to eat is permissible b'deved(after the fact)? Example 1: Some milk fell into the chulent and the Rabbi employed batel b'shishim and now ...
3
votes
0answers
58 views

Ratios of Hameitz-to-Other for Deriving Benefit

For the prohibition on deriving benefit from hameitz on passover, what is the ratio of hameitz-to-other that makes a mixture hameitz? I am aware that when it comes to the prohibition of eating hameitz ...
2
votes
0answers
69 views

Why can Avodah Zara be בטל בשישים?

If עבודה זרה is so strict, why can it be בטל by 1/60 in דבר שלא במינו? (see :עבודה זרה ע"ג)
2
votes
0answers
73 views

Nullifying a chametz-based medication before Pesach

Let's say you are a choleh who is permitted or required to take a chometz-containing medication during Pesach (according to the halachos described here: http://www.star-k.org/kashrus/kk-passover-...
1
vote
0answers
90 views

Do concepts of nat bar nat and batel beshishim apply to ovens?

In a prior post I asked about batel beshishim and nat bar nat (noten ta'am bar noten ta'am) as it applies to pots and utensils. Do these concepts apply to ovens? If yes why? If not, why? If ...
1
vote
0answers
111 views

Is non-kosher-dyed food kosher?

Supoose some non-slaughtered-animal or non-kosher-species ingredient gets mixed accidentally into a larger food. From what I understand, if the non-kosher ingredient is not thought to add flavor to ...
0
votes
0answers
17 views

How much is "k'dei l'chametz"?

How much is "enough sourdough to ferment"? Orla 2:6 refers to it as a qualitative measure, independent of the 200:1 ratio which is the quantitative measure that would render the sourdough indelible ...
0
votes
0answers
46 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 ...