Losh: Difference between revisions
From Halachipedia
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# When one substance becomes completely absorbed into the other so that there isn't a noticeable difference in the consistency of the liquid, there is no problem of lisha. For example, one may add instant coffee or hot cocoa to a cup of hot water (as long as there is no problem of bishul).<ref> Chazon Ish 58:9, Sh”t Iggerot Moshe OC 4:74: Losh 1, Shemirat Shabbat Kehilchita 8:29 </ref> | # When one substance becomes completely absorbed into the other so that there isn't a noticeable difference in the consistency of the liquid, there is no problem of lisha. For example, one may add instant coffee or hot cocoa to a cup of hot water (as long as there is no problem of bishul).<ref> Chazon Ish 58:9, Sh”t Iggerot Moshe OC 4:74: Losh 1, Shemirat Shabbat Kehilchita 8:29 </ref> | ||
===Gaucamole=== | |||
#If one wants to make fresh guacamole on Shabbos one should mash the avocado with the handle of the spoon or the like. To add in onions, tomatoes, lemon juice, or spices and avoid the issue of losh, one would have to use a double shinui. That is, one should put in the lemon juice or spices first and then the avocado and mix it with the back of a spoon or with a criss-cross action.<ref>Or Letzion 2:33:5, [http://www.eretzhemdah.org/newsletterArticle.asp?lang=en&pageid=48&cat=7&newsletter=1058&article=4004 Rav Daniel Mann]</ref> | |||
===Other Examples=== | ===Other Examples=== | ||
# It is forbidden to pour water on sand. Therefore, children playing in a sandbox should not pour water into it.<ref> Rambam (Shabbos 8:16) based on the gemara Shabbos 18a writes that kneading water and dirt is forbidden from the torah as a tolada of losh. Based on that, Shemirat Shabbos KeHilchata 16:4, Children in Halacha (Rabbi Simcha Bunim, pg 137-8), and 39 Melachos (Rabbi Ribiat, vol 2: pg 253-254) write that children who are playing in a sandbox may not pour water into it. <br/> The Gemara (155b) cites a dispute as to when one would have violated losh. According to Rebbi, pouring water into flour is enough, while according to Rabbi Yosi bar Yehuda, one isn’t liable until he kneads them together to form dough. The Rif (67b), the Rambam (21:34) and the Rosh (24:3) rule like R’ Yosi bar Yehuda that it is only forbidden midirabanan to pour water without mixing it, while the Yereim (Ch. 274, 133b), the Teruma (Ch. 220), the Semag (Prohibition 65, lash) and the Semak (Ch. 280) hold like Rebbe. The primary opinion of Shulchan Aruch 321:16 is like R’ Yosi, however, he also cites the opinion of Rebbi. Chacham Ovadia Yosef (Livyat Chen 67) and Menuchat Ahava (vol. 2: 9: note 9) are lenient. Rama is strict and this view is accepted by the Ben Ish Chai (Mishpatim 18) and Kaf Hachayim (324:14). <br/> | # It is forbidden to pour water on sand. Therefore, children playing in a sandbox should not pour water into it.<ref> Rambam (Shabbos 8:16) based on the gemara Shabbos 18a writes that kneading water and dirt is forbidden from the torah as a tolada of losh. Based on that, Shemirat Shabbos KeHilchata 16:4, Children in Halacha (Rabbi Simcha Bunim, pg 137-8), and 39 Melachos (Rabbi Ribiat, vol 2: pg 253-254) write that children who are playing in a sandbox may not pour water into it. <br/> The Gemara (155b) cites a dispute as to when one would have violated losh. According to Rebbi, pouring water into flour is enough, while according to Rabbi Yosi bar Yehuda, one isn’t liable until he kneads them together to form dough. The Rif (67b), the Rambam (21:34) and the Rosh (24:3) rule like R’ Yosi bar Yehuda that it is only forbidden midirabanan to pour water without mixing it, while the Yereim (Ch. 274, 133b), the Teruma (Ch. 220), the Semag (Prohibition 65, lash) and the Semak (Ch. 280) hold like Rebbe. The primary opinion of Shulchan Aruch 321:16 is like R’ Yosi, however, he also cites the opinion of Rebbi. Chacham Ovadia Yosef (Livyat Chen 67) and Menuchat Ahava (vol. 2: 9: note 9) are lenient. Rama is strict and this view is accepted by the Ben Ish Chai (Mishpatim 18) and Kaf Hachayim (324:14). <br/> | ||
