Yirmeyahu
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Fins and Scales
Accepted answer
9 votes

I believe you have the cases reversed. If you can tell that the fish has scales then you do not need the fins because all scaled fish have fins as well and you know the fish is kosher. The converse is ...

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Computer working on Shabbos
9 votes

It is generally permitted to begin a task on erev Shabbos which will not be completed until after Shabbos has begun when it will be completed by itself. (Shulchan Aruch Orach Chaim 252:1 One would be ...

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Advance notice of the day of the Omer?
Accepted answer
9 votes

See Shulchan Aruch Orach Chaim 489:4 that when one says tonight is such and such during Bein HaShemashos (the period of twilight when it is possibly day, possibly "night") one may no longer count ...

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What makes a wine kosher?
8 votes

The Torah prohibits wine offered as a libation to idols (Shemos 34:15). Based on a generalization that non-Jews are devout practitioners of their religion, wine made, touched, poured, or tapped by ...

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Deleting files containing G-d's Name / taking the host device into the bathroom
8 votes

A digital representation of Hashem's name, whether it is His unique name or others, does not constitute writing. Consequently there is no issue of erasing it. There is no prohibition against bringing ...

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Is there a mention of the Oral Torah in the Written Torah?
8 votes

I would like to supplement the important answers which precede mine: The "Oral Torah" is mentioned "explicitly" in the sense that [according to our tradition] it is the subject being directly ...

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Does the cherem that the Vilna Gaon put on certain sectors of Chassidus still apply?
8 votes

According to Rav Chaim Berlin z"tl it would appear that the cherem no longer applies in what may be the earliest formal expression of the current status quo: ולהתפלל בבית הכנסת של החסידים אין שום ...

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What was the name of Tzipora's mother?
8 votes

The name of אשת יתרו is "unknown". See here.

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Can a Ben-Noach practice another religion?
Accepted answer
8 votes

While I do not mean to suggest that they cannot have a portion in the world to come, if they do keep the 7 mitzvos, they are nevertheless not permitted to observe another religion: The general ...

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Is human blood treif?
8 votes

See here: Need to kasher a knife after sticking oneself "The consumption of human presents a number of halachic problems/prohibitions but they are not related to kashrus strictly speaking. Human ...

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Kaarite rebuttal of the new testament
Accepted answer
7 votes

I believe that the work you are referring to is Chizuk Emunah, "Faith Strengthened" by Isaac Troki, it is my recollection that this was relatively well received in traditional circles as well.

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Why is it permissible to flush a toilet on Shabbat?
7 votes

Firstly, as Clint Eastwood already touched upon, it is not at all clear that the waste one flushes will go to either a reshus harabbim (public domain) or a karmalis, at least without requiring others ...

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Counting years according to the solar calendar
7 votes

R' Gil Student cites the Ibn Ezra “[T]he beginning of each individual’s year is from the moment he was born, and when the sun returns to the same point at which it was earlier, the person completes ...

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Is it heresy to read the Bible literally?
Accepted answer
7 votes

The term "literal" and its Hebrew or English counter-parts are not terms with hard and fast meanings so any discussion must necessarily be careful to clarify how the terms are being used in the ...

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What is the status of a Kli Shemelachto LeIssur that's only used for Pikuach Nefesh?
7 votes

In lieu of an authoritative source which directly addresses this question I will offer the following hypothesis: It seems to me that the status of a "כלי שמלאכתו לפיקוח נפש" (a utensil used for cases ...

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Talking during Torah reading
7 votes

While it proceeds to list leniencies/exceptions, the Shulchan Aruch Orach Chaim 146:2 states initially that it is prohibited even to speak Divrei Torah even in between aliya's (i.e. while the Torah ...

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Is it idolatry to use the english word "God" to refer to Hashem?
7 votes

There is no continuity between the English word God and the Amorite deity, they simply are not related words even if they are specifically similar in meaning and pronunciation. To suggest that a word ...

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Who owns Gehenem (Hell)?
7 votes

Hashem is the Ribon Kol HaOlamim, the Master of all Worlds. While in other religions the "netherworld" etc. is seen as under the control of malevolent forces, Judaism doesn't believe that there is a ...

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chapstick/vaseline on shabbos
7 votes

הסובל משפתיים יבשות או סדוקות, אסור לו למורח אותן בשפתון או בכל חומר אחר, מכיון שיש בכך ממרח וגם לא ימשח עליהן שמן, והא הדין לגבי מי שנתייבשו ידיו או נסדקו שמירת שבת כהלכתה לד:יג These do ...

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Psalms 31:5 or 31:6 - beyadcha, etc
7 votes

In general the Jewish practice is to "number" the introduction of each Psalm, such as "Mizmor l"David/A Psalm of David", while the Christian practice is to begin the enumeration after the introductory ...

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Tevilas Keilim for Glass
Accepted answer
7 votes

Yes, glass needs tevilah : הקונה מהגוי כלי סעודה של מתכות או של זכוכית, או כלים המצופים באבר מבפנים, אף על פי שהם חדשים, צריך להטבילים במקוה או מעין של ארבעים סאה יברך: על טבילת כלי, ואם הם ...

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selling non-tznius clothing
7 votes

As a limud zchus (a line of reasoning to judge others favorably for their actions) Rav Vosner, as I understand it, says it is possible that this doesn't fall under the category of assisting a ...

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Is Absalom considered a "ben sorrer umoreh"?
7 votes

The Gemara in Sanhedrin 71a cites a baraisa which contains the opinion that there never was and never will be an actual case of a ben sorrer umoreh and analyzes whose opinion it agrees with. ...

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Are "dog tags" Begged Isha? Can men wear them?
7 votes

"Dog tags" are worn primarily, and until recently almost exclusively, by men. It would be very difficult to justify labeling them a womens garment. A more likely problem is that when one wears them ...

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Reaching kedusha during silent shemone esre
6 votes

אינו פוסק לא לקדיש ולא לקדשה אלא ישתק ויכון למה שאומר שליח-צבור ויהא כעונה א"ח קד:ז One who is still reciting the Shemoneh Esrei (i.e. has not concluded Sim Shalom/Shalom Rav) should not respond ...

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Did the state of Israel fulfill ancient prophecy?
6 votes

While the verse cited does predict a return of the Jews to the land of Israel it also includes details which have not yet been realized. The return of large numbers of Jews to Israel and an ...

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Is there any precedent to read the first 11 chapters of Genesis as metaphorical?
6 votes

Briefly, such an interpretation is inconsistent with the text and trend of Rav Saadia Gaon's discussion of this topic in Emunos v'Deos. The entire context of his discussions on when one may interpret ...

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Torah and the Holy Bible
6 votes

The prohibition against adding and subtracting applies only to the mitzvot (commandments). The Torah itself informs us that prophecy would continue after Moses and gives us commandments on how to ...

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Chanukah Bushes?
6 votes

The Chochmas Adam 89:1 wrote that the Vilna Gaon abolished the minhag of decorating the synagogue with trees in honor of Shavuos because of the problem of Chukkas HaGoy (i.e. the practice of ...

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How to advise your barber
6 votes

Find a friend and ask: וואו איז א גוטער שערער When you arrive ask: איך וויל זיך אפשערן If you're still in doubt mention: שערט ניט פון די פאות (See "Say it in Yiddish" by Uriel Weinreich and Beatrice ...

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