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Bosis: Difference between revisions

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# If muktzeh is on top of something that isn’t muktzeh and the non-muktzeh is servicing the muktzeh the non-muktzeh doesn’t become a bosis.<ref>Meiri Shabbat 123a s.v. gedolei explains that when the muktzeh isn’t servicing the muktzeh the non-muktzeh and furthermore if the muktzeh is servicing the non-muktzeh the non-muktzeh isn’t a bosis. Ran on Rif 23b s.v. vchen and Kol Bo 31 s.v. hatomen agree. Gra 311:26, Magen Avraham 311:23, and Mishna Brurah 311:29 codify this opinion. However, Tosfot Shabbat 123a s.v. paga answers these questions differently; he writes that it isn’t a bosis if you plan to remove it before Shabbat. Baal Hameor 23b s.v. vha agrees.</ref>
# If muktzeh is on top of something that isn’t muktzeh and the non-muktzeh is servicing the muktzeh the non-muktzeh doesn’t become a bosis.<ref>Meiri Shabbat 123a s.v. gedolei explains that when the muktzeh isn’t servicing the muktzeh the non-muktzeh and furthermore if the muktzeh is servicing the non-muktzeh the non-muktzeh isn’t a bosis. Ran on Rif 23b s.v. vchen and Kol Bo 31 s.v. hatomen agree. Gra 311:26, Magen Avraham 311:23, and Mishna Brurah 311:29 codify this opinion. However, Tosfot Shabbat 123a s.v. paga answers these questions differently; he writes that it isn’t a bosis if you plan to remove it before Shabbat. Baal Hameor 23b s.v. vha agrees.</ref>
===Rules of Bosis===
===Rules of Bosis===
# One may not move a Bosis on [[Shabbat]] even if one needs its place or to use it for a permitted use. <ref>Kitzur Shulchan Aruch 89:1</ref>
# One may not move a Bosis on [[Shabbat]] even if one needs its place or to use it for a permitted use.<ref>Shulchan Aruch 279:1, Kitzur Shulchan Aruch 89:1</ref>
===Rules of Non-Bosis===
#If a muktzeh item was forgotten on top of a non-muktzeh item or there’s muktzeh and non-muktzeh and the non-muktzeh is more important the non-muktzeh container isn’t a bosis. Nonetheless, one may not move it if it is possible to tilt off the muktzeh or tilt off everything and collect the non-muktzeh. If that isn’t possible one can carry the entire container until it is possible to do so.<Ref> Shulchan Aruch 310:8
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# If you're concerned of the muktzeh breaking you may carry the non-bosis with the muktzeh on top of it instead of tilting off the muktzeh in its place.<ref>Orchot Shabbat (v. 2 p. 132 fnt. 382)</ref>
# If you need the place and can't tilt off the muktzeh without cluttering up that place you can carry the non-bosis with the muktzeh on top. It isn't necessary to drop it immediately once you reach a place that you can put it down.<ref>Mishna Brurah 309:9. See Rav Nevinsal in Byitzchak Yikareh who disagrees that it depends on the dispute between the Magen Avraham and Gra whether you can continue to carry muktzeh already in your hands.</ref>
# If it is a big exertion not to have to tilt out the muktzeh some hold it isn't necessary and one can move it with the muktzeh and non-muktzeh.<ref>Tosfot Shabbat 142a s.v. nishdey, Magen Avraham 309:4, and Chut Shani Shabbat 3:72:1</ref>
 
==Applications==
==Applications==
===Freezer Door===
===Freezer Door===