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Losh: Difference between revisions
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# Just as it is forbidden to knead two ingredients together so too it is forbidden to pour one onto the other so that they will mix automatically. Therefore it is forbidden to pour water onto flour or flour onto water on [[Shabbat]]. <ref> In Gemara [[Shabbat]] (18a) there is a dispute whether one is liable for violating Losh by simply pouring liquid into flour or only if one both pours in the water and mixes it. The majority of the Rishonim hold that one isn't biblically liable until one has both poured in water and mixed it into dough (Mishna Brurah 321:50), nonetheless, Mishna Brurah 321:57 (quoting the Magan Avraham) there is a rabbinic prohibition even for just pouring liquid into flour or the opposite. This is also the ruling of Shemirat Shabbat KeHilchata 8:5, 39 Melachos (by Rabbi Ribiat, vol 1, pg 531), and Menuchat Ahava 9:1. </ref> | # Just as it is forbidden to knead two ingredients together so too it is forbidden to pour one onto the other so that they will mix automatically. Therefore it is forbidden to pour water onto flour or flour onto water on [[Shabbat]]. <ref> In Gemara [[Shabbat]] (18a) there is a dispute whether one is liable for violating Losh by simply pouring liquid into flour or only if one both pours in the water and mixes it. The majority of the Rishonim hold that one isn't biblically liable until one has both poured in water and mixed it into dough (Mishna Brurah 321:50), nonetheless, Mishna Brurah 321:57 (quoting the Magan Avraham) there is a rabbinic prohibition even for just pouring liquid into flour or the opposite. This is also the ruling of Shemirat Shabbat KeHilchata 8:5, 39 Melachos (by Rabbi Ribiat, vol 1, pg 531), and Menuchat Ahava 9:1. </ref> | ||
==A mixture which was mixed before | ==A mixture which was mixed before Shabbat== | ||
# Even if the two ingredients were poured one upon another before [[Shabbat]] it is forbidden to knead them together on [[Shabbat]]. <ref>Shemirat Shabbat KeHilchata 8:6 based on Biur Halacha 321:15 D"H Ein </ref> | # Even if the two ingredients were poured one upon another before [[Shabbat]] it is forbidden to knead them together on [[Shabbat]]. <ref>Shemirat Shabbat KeHilchata 8:6 based on Biur Halacha 321:15 D"H Ein </ref> | ||
# If two ingredients were kneaded together before [[Shabbat]], it is permissible to add liquid and even mix slowly. <ref> S"A 321:15, Mishna Brurah 321:58, Shemirat Shabbat KeHilchata 8:7 </ref> | # If two ingredients were kneaded together before [[Shabbat]], it is permissible to add liquid and even mix slowly. <ref> S"A 321:15, Mishna Brurah 321:58, Shemirat Shabbat KeHilchata 8:7 </ref> | ||
