MishTok
6,866 Questions · 18,802 Opinions · The Full Spectrum of Rabbinic Law
Sunday, April 19, 2026
Featuring laws of Shabbat
Shabbat · Eating Before Shabbat
Must one complete a taanis chalom (fast undertaken due to a disturbing dream) on Erev Shabbat until tzet hakochavim?
R' Yosef Karo and R' Yisrael Meir Kagan are among 4 authorities across 3 eras who have addressed this question, each drawing on distinct legal reasoning and different readings of the sources.
Calculating Eruv Techumin
May a shituf be made on behalf of someone using food that person is forbidden to eat (e.g., wine for a nazirite, terumah for a non-kohen, or food they vowed/swore not to eat)?
5 opinions
Eruv Tavshilin Procedure
When acquiring eruv techumin by foot (bein hashmashot) on the second day of a Shabbat-Yom Tov combination, may one verbally declare the eruv?
5 opinions
Tearing and Cutting on Shabbat
Is it forbidden to directly feed a child food that is rabbinically forbidden?
4 opinions
Shabbat· Deep Dive
Must a korah be placed with the intent to permit the alleyway?
Unlike a lechi which may arise naturally, a korah requires intent — it must be placed specifically to permit the alleyway; one placed for another purpose does not work even if relied upon before Shabbat.
“A korah must be placed with the intent to permit the alleyway; if not placed for that purpose, it is invalid even if relied upon before Shabbat.”
— R' Yosef Karo, Shulchan Arukh
Early Acharonim (1)
A korah must be placed with the intent to permit the alleyway; if not placed for that purpose, it is invalid even if relied upon before Shabbat.
Late Acharonim (1)
If the korah is four tefachim wide and fit to receive plastering, it may be valid even if not placed with intent, because such a korah functions through 'pi tikra yored ve-sotem' (the principle that a ceiling-like structure seals), not merely as a reminder.
Coverage by Category
Shabbat · Bathing in Hot Water on Shabbat
May a minor serve as maftir for special Torah portions such as Parshat Zakhor, Parshat Para, or other Arba Parshiyot?
The Rema permits a minor as maftir for the additional Shabbat portions and Arba Parshiyot. However, for Parshat Zakhor (possibly Biblical) and…
Read more →Shabbat · Bathing and Washing on Shabbat
Is one permitted to dry a cup that had water or wine in it with a cloth on Shabbat?
The Mechaber forbids drying a cup that contained water or wine with a cloth due to concern of sechitah (squeezing). The Acharonim discuss exceptions:…
Read more →More From Other Topics
Prayer
Is it forbidden to spit during the Amidah prayer?
7 opinions
Prayer
What exactly does 'Poreis al Sh'ma' consist of — does it include the full blessing of Yotzer Or or only Kaddish and Barchu?
4 opinions
Prayer
Is the Blessing of the Torah (Birkat HaTorah) obligatory from Torah law or only rabbinic?
6 opinions
Daily Life
What is the maximum permitted duration of an afternoon nap?
2 opinions
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