18 votes
Accepted

What if the Kohen Gadol accidentally kills someone?

Mishna in Makoth 2:7 וְכֹהֵן גָּדוֹל שֶׁהָרַג , אֵינוֹ יוֹצֵא מִשָּׁם לְעוֹלָם A Kohain Gadol who kills goes to the Ir Miklat forever. They would have to appoint another one, to do the Avoda on Yom ...
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15 votes
Accepted

Making a mistake in davening: when should one find out what to do?

Mishna Berura on SA OC 104 sk 2: ‏ (ב) בתפלתו ואפילו במקום הפסד ממון אין לו להפסיק. כתב הח"א כלל כ"ה סעיף ט' העומד בתפלה ונסתפק באיזה דין איך יתפלל כגון ששכח איזה דבר בתפלה מותר לילך ...
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  • 22.2k
13 votes
Accepted

What to do if you say the wrong version of the last bracha in Shmoneh Esrei?

Rema ( OC 127:2): The Rema says that the custom is to say Sim Shalom during Shacharis and any other Tefillah that is fitting to have a Birkas Cohanim i.e. Mussaf (of Shabbos Rosh Codesh or Chag), and ...
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  • 3,767
11 votes

Bracha levatalah vs waiting between meat and milk

Rav Eliezer Melamed says that if the meat meal is finished and it is a matter of waiting the prescribed time (6 hours) then one should taste the hershey bar (or ice cream in his example) and rely on ...
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  • 31.3k
10 votes

What to do if you forget Nishmas?

R' Moshe Isserles, in Darchei Moshe 281 (in the middle of the paragraph), says one does not go back if they left out Nishmas. ועוד תקנו לומר נשמת ובמקהלות. ונראה דבכל זה אם לא אמר אין מחזירין אותו ...
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9 votes

So you ate dairy after meat. Now what?

Kaf HaChaim in siman 89 #8 writes in the name of דע׳ק If one forgets and starts to eat cheese during the six hours, he may finish and he does not need to stop. He also does not need to fast because of ...
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  • 32.3k
9 votes
Accepted

What happens when a Jew eats non-Kosher food by mistake?

"Purification?" No. (And this kind of thinking has unfortunately lead to OCD in some people.) Technically, if I eat a non-kosher-slaughtered chicken, that renders me "ritually impure", and I can't ...
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  • 127k
8 votes
Accepted

What if there is no object for use in a mitzva?

I don't know of any prayers for such cases (other than ones regarding the lack of Temple services), there are many cases where one might be inclined to use something else instead (like using a lemon ...
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8 votes
Accepted

What to do if you forget Nishmas?

The Mishna Berurah at the end of siman 282 brings the Darkei Moshe that one does not go back if he skipped Nishmas, but is allowed to say it after Shmonah Esrei if he wants. In the Biur Halacha he ...
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  • 32.3k
8 votes
Accepted

Said Kiddush Levana prior to three days after Molad - Does he say it again?

The Be'er Hetev that you quote says that if Saturday night is before the third of the month, Kiddush Levana should be pushed off to the next Saturday night because it will still be before the 11th of ...
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  • 95.3k
8 votes

Oops! Out of wine for the 3rd cup. What do we do?

The Shulchan Aruch, in Orach Chaim 472:10 says: מי שאינו שותה יין מפני שמזיקו או שונאו צריך לדחוק עצמו ולשתות לקיים מצות ארבע כוסות:‏ Someone who doesn't drink wine because it hurts him, or he hates ...
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  • 46.8k
7 votes

What was the shape of the Luchot?

I heard in a recording of R' Akiva Tatz that it is a nice incorporation of a verse in Mishlei (3:3): כתבם על לוח לבך Write them on the tablet of your heart The curved top luchos are an interpolation ...
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7 votes
Accepted

Why was an imperfect world instructed in capital punishment?

I'd like to answer along two dimensions, one about capital punishment and one more broad. First, it is possible for the conditions to be met under which capital punishment can apply. Tractate ...
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7 votes
Accepted

Hamelech Hakadosh on Motzei Yom Kippur

The Kaf Hachaim siman 117 siff 3 quotes a slew of achronim (yes, Ashkenazi ones like Elya Rabba) who say not to repeat shmoneh esrei. He brings a minority opinion that one may say Shmoneh esrei again ...
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  • 32.3k
7 votes
Accepted

What if you forget Ya'aleh V'yavo on the second night of Rosh Chodesh?

The same rule applies both nights (ShA OC 422:1). (Indeed while this seems to be explicit in the Gemara (Brachot 30b), the Beit Yosef (ibid.) notes with amazement that the Orchot Chayim quotes two ...
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  • 95.3k
7 votes

Examples of admitting a mistake was made in halacha

The first instance is in the Torah itself (Leviticus 10:16): טז וְאֵ֣ת ׀ שְׂעִ֣יר הַֽחַטָּ֗את דָּרֹ֥שׁ דָּרַ֛שׁ מֹשֶׁ֖ה וְהִנֵּ֣ה שֹׂרָ֑ף וַ֠יִּקְצֹף עַל־אֶלְעָזָ֤ר וְעַל־אִֽיתָמָר֙ בְּנֵ֣י ...
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  • 23.8k
7 votes

Shabbos morning amidah - wrong biblical text - what to do?

While not precisely the same case, I believe this is included in this halacha (O.C. 268:6): הטועה בתפל' שבת והחליף של זו בזו אינו חוזר One who makes a mistake in the Shabbos prayers and switches one ...
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  • 3,304
7 votes

Anachronisms in the torah?

This question is addressed by several of the commentators to this verse. Radak suggests either that the place was called Dan based on the future, or that it is referring to a different place that was ...
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  • 47.9k
6 votes

Should a chazan who missed a day count the omer with a b'racha?

If the Rabbi of a congregation forgot to count one day and he usually makes the bracha out loud, he may continue to count with a bracha; by not continuing to count he will cause a disgrace for Torah ...
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  • 306
6 votes

I accidentally broke my fast on Yom Kippur, now what?

Continue the fast. ​​​​​​​​​​​​​​​
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6 votes

Forgot atah chonantanu in maariv, but have to say tashlumin

The basic rule by tashlumin is that for all make-up prayers, the first prayer is the current one and the make-up is said afterwards. If this order is switched, the first prayer is invalid (S.A. O.C. ...
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6 votes

How far can I back up in a bracha?

In the first case you have (where it's an appropriate b'racha) the רמ״א (in 209:1) is quite clear that you're okay: וכל שכן אם היה בידו יין וסבור שהוא מים ופתח אדעתא לומר שהכל ונזכר ובירך בורא פרי ...
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  • 38.2k
6 votes
Accepted

Incorrect bracha covering another food

Copied from my answer here: According to R' Ben Tzion Abba Shaul (Or L'tziyon 2:14:15), if someone recited a more general b'racha on a food that should have a more specific b'racha, the general b'...
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  • 16.3k
6 votes

If a Kohan married a giyeurit by orthodox rabbi, is it a legitimate marriage?

The marriage is valid regardless of the knowledge of the rabbi had at the time. The prohibition for a kohen to marry a giyores is only a Lav- negative commandment and thus would not invalidate the ...
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6 votes
Accepted

Not saying v'sain bracha

As a straight Halakhic argument, it's clear that "ותן ברכה" isn't needed from these two sources: Tur (OC 117) supports the usage of "ותן ברכה" with no reference to dew from the fact that the Bavli ...
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  • 95.3k
5 votes
Accepted

Chanuka Kaddish error after Hallel

Based on Rav Eliezer Melamed (Peninei Halacha Tefillah 23:2 fn3) where one said Kaddish Shalem after Tachanun, he quotes Ishei Yisrael 26:5 who says to skip the "Tiskabel line" when Kaddish Shalem ...
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5 votes

If you do a tashlumim shmoneh esrei do you say Hashem sefatai tiftach again?

The Maran in O Ch 111 (2) says that the Sheliach Tzibbur must repeat "Hashem Sefatai etc.," aloud in his repetition of the Amidah. MB[10] says it should be said quietly. Both agree that it has to be ...
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5 votes

Why do different halachic authorities arrive at conflicting rulings?

Besides for the difference in applying identical methodologies detailed by @y.lub there are also differing methodologies used. For example, Rambam relied heavily on the Talmud Yerushalmi while most ...
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  • 34.8k
5 votes
Accepted

If a chazzan has to repeat Shmoneh Esrei, can he use the chazarat hashatz for that?

Short answer: Yes. Long answer: It depends: The Kitzur Shulchan Aruch states in סימן יט - דיני משיב הרוח, טל ומטר, יעלה ויבא ועננו that it depends: If the mistake was in the first 3 Brachot and he ...
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5 votes

Bracha levatalah vs waiting between meat and milk

It's a machloket Rambam/Tosfot on the nature of bracha levatala- is it deoraita or derabanan? If it's derabanan, it's better to have been over the issur of bracha levatala than to actively be over the ...
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