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Questions tagged [pesik-reisha]

Questions regarding the unintended or intended automatic and forbidden consequences of permitted actions.

4
votes
2answers
89 views

Can one walk on snow on Shabbos when there is another route one can take?

In OC 320, the Shulchan Aruch discusses the prohibition of crushing on Shabbos. In §13, he rules: דורס שלג ברגליו ואינו חושש: One can stomp snow with his feet and not be concerned. The ...
5
votes
0answers
72 views

Why was Shimshon's fourth response to Delilah worse than the third?

When Delilah asked Shimshon where his miraculous strength came from, he gave four responses: tie me up with seven moist ropes no, they have to be NEW, THICK ropes put seven of my hairs into a loom ...
2
votes
0answers
294 views

Amazon's Alexa & Shabbos [duplicate]

Does anyone know of a definitive credible source about voice activated devices on Shabbat? Alexa has made life so much easier as my elderly mother can just use her voice to contact us. We have made ...
2
votes
1answer
132 views

Air purifier with LED sensor on Shabbat

Would one be allowed to use an air purifier with an LED smell indicator sensor on Shabbat if bringing in odors near the purifier with outside food or other odorous things could or most surely would ...
1
vote
0answers
72 views

Is using scented soap on Shabbos a problem of molid?

Is there a problem of being molid reyach (causing a fragrance) in the water? I was told that it's forbidden to use Poo Pourri or Just A Drop because it makes the water have a fragrance? What about the ...
6
votes
1answer
237 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 ...
0
votes
1answer
57 views

Is dvar sheina mitchaven permitted if the melacha is inevitable?

My question refers to the class of permitted actions that may inadvertently cause melachas as byproducts. (For example, with hair brushing, the intention is not to pull out the hair, but this does ...
8
votes
3answers
659 views

Difference between Pesik Reshe Delo Niha Le, Pesik Reshe Delo Ichpat Le, & Melacha She'en Sarich LeGufa

What is the practical difference between actions considered Pesik Reshe Delo Niha Le, Pesik Reshe Delo Ichpat Le, and Melecha She'en Sarich Legufa? What is an example that can demonstrate the ...
6
votes
1answer
1k views

What exactly is “Psik Reisha”?

What exactly is "Psik Reisha"? I know this has something to do with the laws of Shabbat, and possibly something to do with unintended consequences that are allowed, but what exactly is it, and in what ...
11
votes
5answers
2k views

Walking by an Automatic Door on Shabbos

Is one allowed to walk by an automatic door on Shabbos, if he/she has no benefit of the door opening (i.e. not walking in)? How does this case compare/contrast to the walking by an automatic light on ...