prepared by Rabbi Eliezer Chrysler of Kollel Iyun Hadaf
Rosh Kollel: Rabbi Mordecai Kornfeld
(a) What does the Mishnah say about taking ...
1. ... one's son who is holding a stone on Shabbos?
2. ... a basket with a stone inside it?
(b) Why might we have thought that it is forbidden?
(c) Why is the latter case forbidden if there is no fruit in the basket?
(d) Why will the Heter not apply if the fruit in the basket is nuts or almonds?
(e) Then why is it permitted if it is strawberries and grapes?
(a) On what condition does the Tana permit taking Tamei Terumah?
(b) Rebbi Yehudah also permits rectifying Meduma on Shabbos. What is Meduma?
(a) What does Rebbi Yehudah now permit one to do if a Sa'ah of Terumah falls into a hundred Sa'ah of Chulin on Shabbos?
(b) What does one gain by doing that?
(c) Why would we have otherwise thought that it is forbidden?
(d) On what grounds does Rebbi then permit it?
(e) What is the Halachah in this regard?
(a) What does one do with a barrel of wine from which one wishes to extract wine, but which has a stone perched on its lid?
(b) What if the barrel is lying among other barrels, so that tipping the stone off might cause other barrels to break?
(c) The Tana now discusses money that is lying on a blanket/cushion on a bed or a couch (See Tos. Yom-Tov). On what condition does he ...
1. ... permit only tipping the cushion?
2. ... permit even removing the cushion?
3. ... forbid even tipping the cushion?
(a) The Mishnah permits wiping a Lashleshes from the blanket/cushion with a rag. What is a 'Lashleshes'?
(b) What does this come to preclude? What may one not do to remove it?
(c) Why is that?
(d) What if the blanket/cushion is made of leather?
(e) Why is one then not permitted to wash it?
(a) Beis Shamai permit the removal of peels and bones from the table. What do Beis Hillel say?
(b) How do we amend the Machlokes?
(c) What is now the basis of their Machlokes?
(d) On what condition do Beis Hillel concede that it is forbidden?
(e) Why is that?
(a) What does the Mishnah say about removing from the table on Shabbos ...
1. ... crumbs that are smaller than a k'Zayis?
2. ... beans or lentils-pods?
(b) What if the crumbs are larger than a k'Zayis?
(c) What is the reason for the Heter?
(a) On what condition does the Tana permit using a sponge on Shabbos?
(b) Why is it otherwise forbidden?
(c) On what condition may one take a sponge that has no handle on Shabbos?
(d) Why are neither of the above subject to Tum'ah?