Commonly refers to acts of labor that are forbidden on Shabbos/Yom Tov.

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Trapping mosquitoes on Shabbat

If there's a mosquito found on a wall on shabbat, are you allowed to place a cup over it and slide a sheet of paper under it and remove it from the house? The reason for doing this would be that you ...
6
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2answers
232 views

Is one allowed to cut olives or grapes on Shabbos?

On shabbos, it is a biblical prohibition squeeze olives or grapes specifically for their juices, though one may squeeze them if the juices are used directly to enhance a solid food. As an additional ...
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2answers
178 views

Opening bottles and creating a Keli on Shabbath

Does opening a new bottle create a new Keli, such that it would be prohibited on Shabbath? (I personally don't think so for a few reasons. However, someone posted this question a little while ago ...
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1answer
128 views

Can you destroy a spider web on Shabbos?

Can you destroy a spider web on shabbos if you simply do not want it around (you consider it unseemly)?
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1answer
199 views

Electronic card readers to enter buildings on Shabbat?

As a student, I've noticed that practically all of the dormitories in my university require residents to tap their student cards to a sensor before they are allowed to enter their building. (Moreover, ...
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231 views

Why is squeezing a ketchup bottle on Shabbos not considered Dosh (Melechet Dash)?

Why is squeezing a ketchup bottle on Shabbos not considered Dosh (Melechet Dash)?
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1answer
441 views

Can you derive benefit from another Jew's melacha if it happened a long time ago?

We aren't supposed to derive benefit from melachot performed by other Jews on Shabbos. But what if it didn't happen this Shabbos? What if our guest brought a bottle of liquor as a gift last Shabbos, ...
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137 views

Why are Milochos based on the construction of the Mishkan?

If we were to receive all the laws for shabbos at Sinai why then is it the Mishkan to where we direct our attention when it comes to classifying all the things we cannot do on Shabbos? Wasn't the ...
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119 views

Cutting pills on Shabbos

Assuming your rabbi already permits you to take medicine on Shabbos for a serious chronic disease. If your doctor increases your dosage by half a pill, and the pill is already pre-scored to make it ...
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1answer
137 views

Can a talit be a tent?

There are two situations in which a talit is held aloft in a possibly tent-like manner that make me wonder whether they present any danger of transgressing the prohibition of "Building" on Shabbat and ...
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1answer
225 views

Typing on Shabbos

If one would type on a computer on Shabbos, would he be ovar an issur d'oraisa in regards to the malacha of writing? (The other malachos involved aside for a moment.) Is there any room to say this ...
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222 views

Combing the beard on Shabbos vs. weekday?

It says here that One is not allowed to use a comb on Shabbos to comb his hair because one will ultimately pull out hair while combing. This is forbidden even if one will only run through the ...
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526 views

Using Eiruv Tavshilin to Cook for a Gentile Shabbos Guest

When cooking on Yomtov for Shabbos (allowed with the eiruv tavshilin) may one also cook for a gentile guest that he will be having at the Shabbos meal? Even though one cannot cook on Yomtov for a ...
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240 views

Extracting water from carpet on Shabbos

On Shabbos, a container of water spilled on my carpet. Conventional wisdom is to throw baking soda on the wet area to soak up the liquid to protect the carpet from odors (I don't know if it actually ...
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150 views

Can a horse owned by a Jewish owner run in any of the Triple Crown races?

All of the "Triple Crown" horse races (Kentucky Derby, Preakness, and Belmont) occur on Shabbat. If the horse's owner is Jewish, (I just learned that American Pharaoh's owner is Jewish; I didn't know ...
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58 views

Is a psik reisha d'lo nicha or d'lo echpat judged against a communal standard?

If I perform an action on Shabbos which will cause a secondary (forbidden) action, the secondary action is assessed as to whether it is desirable, detrimental or neutral (as per Difference between ...
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155 views

Why allowed on Yom Tov?

According to the Torah, melacha isn't permitted on Yom Tov days except for what is needed for food. I read that certain laws, like carrying, don't apply on these days because they are loosened for ...
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106 views

Pre-Havdalah Melacha [duplicate]

Possible Duplicate: Bootstrapping problem: havdalah ends shabbat (for one who didn't daven ma'ariv) but lighting the candle is melacha? After nightfall before Marriv, or after ...
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1answer
184 views

Biblical Prohibition of Breaking Shabbos/Shabbat

Somebody does not think that something is breaking Shabbos but suspects it may be an issue, yet they don't want to delve into the law because they don't want to stop doing what they are doing and they ...
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2answers
841 views

Is it permissible to use an umbrella on Shabbat?

Assuming one is inside an eruv which generally permits transferring between domains on Shabbat, may one use an umbrella on Shabbat? If not, why not? Follow-up question: What about other things that ...
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1answer
435 views

Apple Watch on Shabbat

Tech experts: Is there any way in which the Apple Watch could be used by shomrei Shabbat with limited functionality? Note: this question does not seek to ascertain whether the full gamut of features ...
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5answers
178 views

practical examples of a grama

I was trying to give a practical example of a grama the other day, and couldn't think of one. While there are plenty of devices which employ gramas deliberately (grama switches, shabbat electric ...
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443 views

Why is braiding hair “building”?

The gemarah in niddah (45) says that when the torah says that God "built" Eve out of the bone of Adam what actually happened is that God braided Eve's hair and presented her to Adam as a wife. This is ...
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337 views

Picking fruit vs slaughtering on yom tov

We know the concept of ochel nefesh regarding yom tov. And we know that you can do melacha that is directly related to food, (like frying an egg). My question is, why is שחיטה permitted if there's ...
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1answer
533 views

Boiling over a pot to extinguish burners on Yom Tov?

Generally, on Yom Tov one is allowed to light a gas burner (using a pre-existing flame), but is not allowed to turn off the gas burner. This is because one may light a fire on Yom Tov, but not ...
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2answers
225 views

May one put cut flowers in a vase of water on Chol HaMoed?

I know certain agricultural activities are prohibited on Chol HaMoed -- it's not the recommended time to do gardening or lawn-mowing (if there's sudden pressing need, talk with your rabbi). What about ...
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1answer
153 views

Tanning on Shabbos

Is it permissible to suntan on Shabbos? The possible prohibition would be tzoveah -- dyeing. Is it considered permanent enough to be Biblically prohibited? Is it dyeing at all being that no coloring ...
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1answer
124 views

How could Moshe write on Shabbos?

I once saw this question in the magazine Kolmus: There's a tradition that Moshe wrote thirteen sifrei Torah on the day of his death. However, there are many opinions that Moshe died on Shabbos, ...
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1answer
107 views

Delousing on Shabbat (- Mishna, Shabbat 1:3)

In the Mishna, Shabbat 1:3, it states (amongst other things) that one should not delouse one's garments by candlelight on Shabbat (ולא יפלה את כליו... לאור הנר). The following mishna, however, states ...
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1answer
264 views

Ice-cream scoop on Shabbos

Is there anything wrong with using an ice-cream scoop to dish ice-cream on Shabbat? I have been told in the name of a Rebbetzin that you can't.
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1answer
67 views

Product of Melachah that wasn't really necessary, except that in the end it was

If Melachah was performed on Shabbath, but it was not necessary for the enjoyment of the product of the Melachah, can that product be enjoyed? What if the Melachah was the result of some other ...
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1answer
48 views

Why are you allowed to make letters with your hands on Shabbos?

In light of the comment here, that Koseiv involves creating any meaningful letter or symbol. It doesn’t have to be with ink on paper. A rubber stamp, carving into stone or cutting a letter out ...
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2answers
143 views

kosher murder switch?

It is generally accepted that grama (indirect causation) is not permitted in performing a forbidden melacha in non-emergency situations. Similarly, while there may be cases of grama in other halachic ...
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1answer
249 views

How to respond to a non-Jew who asks to shovel your snow on shabbos?

If a non-Jew asks if he may shovel your snow on shabbos what is the proper halachic response? Does it make a difference if he is asking to do this for pay (not previously arranged before shabbos)?
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1answer
122 views

Can one smooth the rice to make sushi rolls or sashimi on rice on Shabbat?

This article states that one can smoothen food only if it is necessary for eating for not for aesthetic reasons. I have attended a few Shabbat affairs where a sushi chef makes sushi rolls. To do ...
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104 views

how to clean up from one meal for another on shabbos?

if after putting all of the trash in the trash can there are lots of crumbs still left behind how should one get rid of these properly on shabbos? may one shake the crumbs outside (assuming its in ...
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72 views

Can an Israeli work in public on second-day yomtov if there are non-observant Jews around?

Shulchan Aruch says an Israeli Jew who is just visiting non-Israel should not work in public on the second day of Yomtov so long as he is in "yishuv" (and commentaries explain "yishuv yisrael") -- a ...
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2answers
181 views

What is the punishment for Patur Aval Issur?

If one does something on Shabbos, say, that is patur aval issur (like an act of destruction) what is the punishment? I know that Beis Din (court) does nothing, but are there any sources for what the ...
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1answer
478 views

Sealing an envelope on shabbat

On Shabbat, is it permissible to seal an envelope that does not require moistening, ie an envelope that has a PEEL & SEAL flap?
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268 views

Israeli making pizza on last day of Pesach in the Diaspora

A Jew who lives in the U.S. own a pizza store. He wants to be sure that he has plenty of fresh pizzas ready to sell as soon as Pesach is over. So, before Pesach, he sells his chametz to his Israeli ...
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2answers
353 views

Relations on Shabbat

It is my understanding that restrictions and prohibitions on the Sabbath more accurately concern "creating" or "destroying" rather than the stereotypical concept of "working". Why is it then ...
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626 views

Opening a fridge on Shabbat

There are many problems with using electricity on Shabbat, and many ways to understand those problems. The issue of using a fridge is especially problematic (as explained in depth by Rav Nissan Kaplan ...
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3answers
380 views

Can I light a new fire on yom tov?

If I can transfer a fire, can I light a new fire on yom tov? What's the difference between lighting a new fire and transferring a fire? Aren't they part of the same melacha?? The melacha is to create ...
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1answer
101 views

Is a person forced to used his earned paid vacation days immediately for Hol Hamo'ed?

This Halchipedia article states that a person is permitted to work on Hol Hamo'ed if there is a financial loss (Davar Ha'avud) Let's say a person, who lives in U.S., has accumulated 10 paid vacation ...
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2answers
144 views

Can a Gentile shovel / plow snow from your driveway on Shabbat if he has been paid for general work?

I read in Kitzur Shulcah Aruch (סימן צ - דין עשית חפציו בלא מלאכה ומלאכה על ידי גוי) that even if a person prepays a Gentile before Shabbat, he cannot tell him to specifically do work for him ...
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95 views

Refilling a saltshaker on Shabbos

This past Shabbos I was at a house and the saltshaker was empty. I went to refill the saltshaker and a fellow told me I can not reseal the cover as it is considered a Toldah of Boneh. Is this accurate ...
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77 views

Isur m'lacha starting at night on yom tov

How do we know that the prohibition against doing m'lacha on chagim begins at sunset and not dawn?
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249 views

Are you allowed to make ice cream on shabbos?

Let's assume the steps are: Mix milk, cream, sugar, flavoring (all cold). Put in a container. Mix ice and salt in a bigger container, then put previous container into this one. Shake everything for ...
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3answers
194 views

What is Chesron Mamon and why is it enough to allow melachos on Chol Hamoed?

I asked a question on here regarding being able to purchase a car on hol hamoed and one of the answers given mentioned that if you are afraid to lose the deal then it's permitted. It seems that most ...
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1answer
118 views

Can one use a Swiss army knife on Shabbat?

There are two reasons why I would be concerned regarding using a Swiss Army knife on Shabbat: Possible violation of a melacha of creating / completing a tool. When you fold out the knife, you are ...