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Questions tagged [halacha-lemoshe-misinai]

Questions regarding *halachot lemoshe misinai* - biblical laws that are not derived from the Pentateuch.

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What is the earliest reliable source that prohibits teaching Torah and/or Mishna to gentiles after Moses translated the Torah into 70 languages?

I have read numerous conflicting opinions regarding this subject. I am seeking the first "original" or earliest reliable source that prohibited teaching the Torah and/or Mishna to the ...
A Lehodia's user avatar
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Is the 39 melachot concept halacha l’moshe misinai

Are the 39 categories melacha prohibited on Shabbat Halacha lemoshe misinai, or drash from the rabbis (deriving it from the juxtaposition of the Shabbat commandment to the mishkan)?
Kirk's user avatar
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What happened to the legal decisions of moshe rabenu?

Parshas Yisro, 2nd aliya (ch. 18 verse 13) וַֽיְהִי֙ מִמָּ֣חֳרָ֔ת וַיֵּ֥שֶׁב משֶׁ֖ה לִשְׁפֹּ֣ט אֶת־הָעָ֑ם וַיַּֽעֲמֹ֤ד הָעָם֙ עַל־משֶׁ֔ה מִן־הַבֹּ֖קֶר עַד־הָעָֽרֶב It came about on the next day that ...
Dude's user avatar
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Why is there arguments if everything was passed down from Moshe Rabeinu? [duplicate]

If the oral law is from Moshe Rabeinu, why in the Gemara / Mishnah does it sound like the rabbis are discussing it in a way where they are just deciding it for the first time? They are discussing back ...
larry909's user avatar
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3 votes
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What to do when there are multiple pursuers

We know that if there is one (a rodef) who is actively attacking another person in the hopes of killing him, one is allowed to restrain, maim, or even kill the rodef. However, what happens if there ...
yogazefish's user avatar
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Does the law of pi tikrah apply to temporary structures such as a sukkah?

In Eruvin 94b the Sages are debating about the Sinaitic law of partitions, more specifically “pi tikrah” ( פי תקרה יורד וסותם .) Here the topic is about permanent homes. Presently, I am in the process ...
אפור קוף's user avatar
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Halacha LeMoshe MiSinais which are taught together were originally said together

I seem to remember seeing somewhere, maybe Tosafos somewhere, saying that when the gemarra groups certain halacha lemoshe misinai's together, like Sukkah 5b with שיעורין חציצין ומחיצין, it's telling ...
robev's user avatar
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-2 votes
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Why Halachot LiMosheh MiSinai can not be derived from the Torah?

The existence of the term "Halachot LiMosheh MiSinai" hints on the fact that some Halochos are not derived / can not be derived from Torah in any way but Moses received them orally. Because if it was, ...
Al Berko's user avatar
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Is there a comprehensive list of what all the Halacha L'Moshe M'Sinai are? [duplicate]

Tefillin have to be black Lavud (two things are within less than three tefachim of each other, they are considered to be touching, and therefore contiguous) all the types of shiurim (measurements) ...
alicht's user avatar
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5 votes
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Are there any applications of dofen akumah outside of sukkah?

The Gemara (in several places, here's one) lists a group of three halachos related to walls that were taught to Moshe at Sinai: gud [asik/achis] - extending a partial wall up or down under certain ...
Heshy's user avatar
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5 votes
1 answer

Sitting four tefachim under a dofen akuma

The Shulchan Arukh (OC 632:1) rules that invalid sekhakh at the edge of a sukkah does not invalidate the sukkah if it is less than four amoth, based on the principle of dofen akuma. He also rules ...
Loewian's user avatar
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14 votes
2 answers

List of Halachot LiMosheh MiSinai

Is there a comprehensive list of things in the Talmud that are "halachot limosheh misinai"- laws that were passed down from Moshe through the generations? An example of such is tefilin needing to be ...
PixelArtDragon's user avatar