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General Laws of Muktzeh: Difference between revisions

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# It’s permissible to ask a non-Jew to move a Kli Sh’Melachto LeIssur for any need even if it’s just to prevent the object from breaking or being stolen. <Ref>Mishna Brurah 308:15 </ref>
# It’s permissible to ask a non-Jew to move a Kli Sh’Melachto LeIssur for any need even if it’s just to prevent the object from breaking or being stolen. <Ref>Mishna Brurah 308:15 </ref>
==Bosis==
==Bosis==
# # an object upon which [[Muktzeh]] was left intentionally from before [[Shabbat]] and one intended that it stay there as Shabbat entered (during [[Bein HaShemashot]]), the object becomes a Bosis. <ref>Kitzur S"A 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>Kitzur S"A 89:1</ref>
# If money or any other muktzeh item was left unintentionally on a table, one may learn on the table on Shabbat if it isn’t certain that learning there will cause the money to move. <Ref> The Mishnah (Shabbat 142b) states that if one wants to move a barrel on Shabbat and a rock was left on top of the barrel from before Shabbat, he may tilt the barrel so that the rock falls off and then move the barrel. The Gemara limits this to a case in which the rock was left unintentionally; however, if the rock was left on top of the barrel intentionally, one may not move the barrel at all, as it is considered a bosis for muktzeh, serving as a support of the muktzeh item. The Mishnah explains if one isn’t able to tilt off the rock, such as if there’s a fear of it breaking other barrels nearby when it is tilting off, one may move the barrel with the rock on top until one reaches a places where one can safely remove the rock. The Rambam (Shabbat 25:17), Tur, and S”A 309:4 codify this as Halacha.  
# If money or any other muktzeh item was left unintentionally on a table, one may learn on the table on Shabbat if it isn’t certain that learning there will cause the money to move. <Ref> The Mishnah (Shabbat 142b) states that if one wants to move a barrel on Shabbat and a rock was left on top of the barrel from before Shabbat, he may tilt the barrel so that the rock falls off and then move the barrel. The Gemara limits this to a case in which the rock was left unintentionally; however, if the rock was left on top of the barrel intentionally, one may not move the barrel at all, as it is considered a bosis for muktzeh, serving as a support of the muktzeh item. The Mishnah explains if one isn’t able to tilt off the rock, such as if there’s a fear of it breaking other barrels nearby when it is tilting off, one may move the barrel with the rock on top until one reaches a places where one can safely remove the rock. The Rambam (Shabbat 25:17), Tur, and S”A 309:4 codify this as Halacha.  
* The Maharil (Shabbat n. 28) writes that one may learn on a table on which money was left because it isn’t a psik reisha that the coins will move. Olat Shabbat 309:2, Ba’eir Heiteiv 309:3, and Kaf HaChaim 309:11 codify this statement. Migdanot Eliyahu 2:69 infers that the case is where the coins didn’t make the table a bosis; otherwise, the Maharil should have been concerned with moving the table and not just the coins. Accordingly, Mishna Brurah (309:15 and Shaar HaTziyun 309:19) explains that had it been a psik reisha that one will move the coins, he would have to tilt off the money unless tilting it off would cause a loss (as in S”A 309:4). Additionally, he adds that the Maharil assumes that a psik reisha of a d’rabanan prohibition is forbidden, unlike the Trumat HaDeshen (see Magen Avraham 314:5).
* The Maharil (Shabbat n. 28) writes that one may learn on a table on which money was left because it isn’t a psik reisha that the coins will move. Olat Shabbat 309:2, Ba’eir Heiteiv 309:3, and Kaf HaChaim 309:11 codify this statement. Migdanot Eliyahu 2:69 infers that the case is where the coins didn’t make the table a bosis; otherwise, the Maharil should have been concerned with moving the table and not just the coins. Accordingly, Mishna Brurah (309:15 and Shaar HaTziyun 309:19) explains that had it been a psik reisha that one will move the coins, he would have to tilt off the money unless tilting it off would cause a loss (as in S”A 309:4). Additionally, he adds that the Maharil assumes that a psik reisha of a d’rabanan prohibition is forbidden, unlike the Trumat HaDeshen (see Magen Avraham 314:5).