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Shabbos
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Rav Dovid gives a daily halacha at the Wall Street Synagogue in Lower Manhattan. This series covers the 39 Melachos of Shabbos, Shabbos prayers, and more.
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Can a color-changing thermometer be used to measure fever on Shabbos?
24 Adar I 5771 | Duration: 15:06
Tzitz Eliezer 14:31
Dedicated as a zechut for a refuah shleimah for Breina bas Frida.
Price: $.99
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Can I wear photo-sensitive glasses on Shabbos?
6 Adar I 5771 | Duration: 11:54
Igros Moshe OC 3:45
Dedicated as a zechut for a refuah shleimah for Breina bas Frida.
Price: $.99
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At what point is the malachah of tzovea complete?
4 Adar I 5771 | Duration: 18:32
Ch"A Hil. Shabbos 24:4,6
Dedicated as a zechut for a refuah shleimah for Breina bas Frida.
Price: $.99
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Aspects of dying: permanence and foods. Is it permissible to add saffron to rice?
3 Adar I 5771 | Duration: 16:30
Ch"A Hil. Shabbos 24:3,5
Dedicated as a zechut for a refuah shleimah for Breina bas Frida.
Price: $.99
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Rav Moshe's psak regarding makeup on Shabbos.
29 Shevat 5771 | Duration: 13:02
Igros Moshe OC 1:114, 5:28
Dedicated as a zechut for a refuah shleimah for Breina bas Frida.
Price: $.99
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Dying on Shabbos; makeup on Shabbos.
27 Shevat 5771 | Duration: 14:26
Ch"A Hil. Shabbos 24:1-2
Dedicated in memory of Ezra ben Tzalcha.
Price: $.99
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The malacha of combing.
26 Shevat 5771 | Duration: 10:48
Ch"A Hil. Shabbos 23:1
Dedicated as a zechut for a refuah shleimah for Breina bas Frida.
Price: $.99
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Squeezing water from hair and towels.
27 Tevet 5771 | Duration: 15:41
Ch"A Hil. Shabbos 22:12-13
Dedicated as a zechut for a refuah shleimah for Breina bas Frida.
Price: $.99
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Folding your suit, tallis, or bedding on Shabbos. Also: philosophical comments on halachic stringencies and Shalom Bayit.
23 Tevet 5771 | Duration: 18:15
Ch"A Hil. Shabbos 22:10
Dedicated as a zechut for a refuah shleimah for Breina bas Frida.
Price: $.99
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Shaking out garments; new garments; being careful with our appearance.
22 Tevet 5771 | Duration: 15:41
Ch"A Hil. Shabbos 22:9
Dedicated as a zechut for a refuah shleimah for Breina bas Frida.
Price: $.99
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A special message from Rabbi Dovid Bendory, Executive Director of Pidyon.
20 Tevet 5771 | Duration: 1:39
Splattered mud, spilled cholent.
16 Tevet 5771 | Duration: 14:00
Ch"A Hil. Shabbos 22:7-8
Dedicated as a zechut for a refuah shleimah for Breina bas Frida.
Price: $.99
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If we understand the Halacha properly, we can connect to the essence of Shabbos and even to Hashem Himself -- in even the most mundane act of hanging wet clothing to dry.
15 Tevet 5771 | Duration: 14:37
Ch"A Hil. Shabbos 22:6
Dedicated as a zechut for a refuah shleimah for Breina bas Frida.
Price: $.99
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Managing clothes wet from the rain. Also: an understanding of maris ayin.
14 Tevet 5771 | Duration: 17:41
Ch"A Hil. Shabbos 22:5-6
Dedicated for a refuah shleimah for Breina bas Frieda.
Price: $.99
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The act of melaben vs. the result of melaben.
13 Tevet 5771 | Duration: 14:11
Ch"A Hil. Shabbos 22:11,4
Dedicated for a refuah shleimah for Breina bas Frieda.
Price: $.99
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Applying the concept that "soaking is equivalent to washing."
9 Tevet 5771 | Duration: 15:09
Ch"A Hil. Shabbos 22:2-3
Dedicated l'ilui nishmat Tamar Rivka bas Shneur Zalman on the occasion of her yahrzeit.
The av melacha and principle of laundering.
7 Tevet 5771 | Duration: 13:37
Ch"A Hil. Shabbos 22:1-2
Dedicated for a refuah shleimah for Breina bas Frieda.
On Motzei Shabbos, the proper time to light is immediately after havdalah.
16 Kislev 5771 | Duration: 15:35
Igros Moshe OC 4:62; Ran Shabbos 9a d.h. "Mitzvatah mi'she-tishka"
Dedicated for a refuah shleimah for Breina bas Frieda.
Price: $.99
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Understanding Rav Moshe's chiddush in the time for Chanukah candles on Erev Shabbos.
15 Kislev 5771 | Duration: 13:02
Igros Moshe OC 4:62; Ran Shabbos 9a d.h. "Mitzvatah mi'she-tishka"
Dedicated for a refuah shleimah for Breina bas Frieda.
Rav Moshe's chiddush: on Shabbos Chanukah: light Chanukah candles immediately prior to Shabbos candles.
11 Kislev 5771 | Duration: 15:01
Igros Moshe OC 4:62
Dedicated for a refuah shleimah for Breina bas Frieda.
Price: $.99
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On Erev Shabbos, the time for lighting Chanukah candles is fixed by the onset of Shabbos, not by nightfall.
10 Kislev 5771 | Duration: 15:50
Igros Moshe OC 4:62
Dedicated for a refuah shleimah for Breina bas Frieda.
Price: $.99
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"Sunset" is the time for lighting Chanukah candles. But when is sunset?
9 Kislev 5771 | Duration: 15:09
OC 679:1; OC 672:1; MB 672:1, Beur Halacha d.h. "Im sof skiyata"; Igros Moshe OC 4:62
Dedicated for a refuah shleimah for Breina bas Frieda.
Hangnails, scabs, and trimming nails for the mikveh.
28 Tishrei 5771 | Duration: 15:35
Ch"A Hil. Shabbos 21:4-6
Dedicated for a refuah shleimah for Breina bas Frieda.
Price: $.99
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Plucking feathers, trimming nails.
27 Tishrei 5771 | Duration: 14:25
Ch"A Hil. Shabbos 21:2-4
Dedicated for a refuah shleimah for Breina bas Frieda.
Price: $.99
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The shearing of wool is the first step toward making cloth.
26 Tishrei 5771 | Duration: 10:10
Ch"A Hil. Shabbos 21:1
Dedicated for a refuah shleimah for Breina bas Frieda.
Price: $.99
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Based on the gaonim, Rav Moshe allows certain leniencies on motzei shabbos as well.
6 Tamuz 5770 | Duration: 16:51
Igros Moshe OC 4:62
Price: $.99
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Based on Rabbeinu Tam, Rav Moshe allows certain leniencies for emergency situations.
4 Tamuz 5770 | Duration: 16:44
Igros Moshe OC 4:62
Price: $.99
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Rav Moshe explains the reason behind leniencies -- or lack of stringencies -- ben hashmashos.
3 Tamuz 5770 | Duration: 15:47
Igros Moshe OC 4:62
Price: $.99
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D'Rabbanan is permitted during twilight under certain circumstances.
27 Sivan 5770 | Duration: 14:57
Aruch HaShulchan OC 261:13-14
Price: $.99
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What activities are prohibited and what permitted during twilight?
26 Sivan 5770 | Duration: 17:07
Aruch HaShulchan OC 261:11-12,14,17
Price: $.99
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The proper end time for shabbos according to Rav Moshe -- conclusion. Introduction to Ben HaShmashot.
25 Sivan 5770 | Duration: 16:21
Igros Moshe OC 4:62; Aruch HaShulchan OC 261:11
Price: $.99
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The proper end time for shabbos according to Rav Moshe.
22 Sivan 5770 | Duration: 16:18
Igros Moshe OC 4:62
Price: $.99
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The Aruch HaShulchan puts it all together and concludes that we should start shabbos 18 minutes before sunset.
20 Sivan 5770 | Duration: 14:37
Aruch HaShulchan OC 261:7-8
Price: $.99
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Rabbi Eliezer of Mitz concludes that Ben HaShmashos begins some 18 minutes before sunset.
19 Sivan 5770 | Duration: 15:53
Aruch HaShulchan OC 261:6
Price: $.99
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So how is it that Rabbeinu Tam concludes that sunset is so late!?
15 Sivan 5770 | Duration: 16:17
Aruch HaShulchan OC 261:5
The Aruch HaShulchan questions the Rambam's approach to Ben HaShmashos and learns much from his answers.
14 Sivan 5770 | Duration: 17:21
Aruch HaShulchan OC 261:4
Price: $.99
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Is shkiya what we commonly call "sunset"... or is it something else?
13 Sivan 5770 | Duration: 14:20
Aruch HaShulchan OC 261:1-3
Price: $.99
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The Mishna Brura provides a summary overview of the determination of the onset of shabbos.
12 Sivan 5770 | Duration: 15:45
MB 261:23
Price: $.99
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By the Vilna Gaon (and others), sunset is not the onset of nightfall; that begins about 58 minutes later with ben hashmashos.
11 Sivan 5770 | Duration: 15:51
OC 261:2; MB 261:23
Price: $.99
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The latest possible time for sunset is that of Rabbeinu Tam. When is it and why?
8 Sivan 5770 | Duration: 17:32
OC 261:2; MB 261:19-21
Price: $.99
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Understanding "Ben HaShmashos" is essential for understanding when shabbos starts.
5 Sivan 5770 | Duration: 15:43
Igros Moshe OC 4:62
This introduction to the question of when shabbos starts begins with a philosophy of halacha itself.
4 Sivan 5770 | Duration: 17:24
Igros Moshe OC 4:62
Price: $.99
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Warming a baby bottle on shabbos; beating eggs and vigorous mixing.
29 Iyar 5770 | Duration: 11:43
Ch"A Hil. Shabbos 2:8-9, 20:21
Price: $.99
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The halachot of hatmana vary depending on whether the food is to be kept warm for the night meal or the day meal.
28 Iyar 5770 | Duration: 16:39
Ch"A Hil. Shabbos 2:5-7, 20:22
Price: $.99
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Actual hatmana involves heat and insulation.
27 Iyar 5770 | Duration: 16:51
Ch"A Hil. Shabbos 2:5
Food cannot be left on erev shabbos wrapped up with something that will continue to add heat.
26 Iyar 5770 | Duration: 16:14
Ch"A Hil. Shabbos 2:5
Food cooked by a non-Jew for a Jew; water heated for a Jew by a non-Jew.
24 Iyar 5770 | Duration: 16:57
Ch"A Hil. Shabbos 20:17-18
Price: $.99
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...and can you ask a non-Jew to warm food? What if he already did it?
23 Iyar 5770 | Duration: 17:57
Ch"A Hil. Shabbos 20:15-16
Price: $.99
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Psik reisha; work done by a non-Jew on shabbos; a "shabbos oven."
21 Iyar 5770 | Duration: 16:24
Ch"A Hil. Shabbos 2:4
Price: $.99
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If one violates the gezeira of hatmana, is the food permitted or forbidden?
20 Iyar 5770 | Duration: 16:34
Ch"A Hil. Shabbos 2:3
Three different categories of foods can be left on an open flame going into Shabbos.
19 Iyar 5770 | Duration: 13:07
Ch"A Hil. Shabbos 2:3
Price: $.99
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One of the main halachic aspects of leaving food to be warm on shabbos is the concern that we will stoke the coals.
16 Iyar 5770 | Duration: 10:52
Ch"A Hil. Shabbos 2:2-3
Malachos that can be started prior to shabbos.
15 Iyar 5770 | Duration: 17:34
Ch"A Hil. Shabbos 2:1
Price: $.99
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When Sunday is Rosh Chodesh, we say both retzei and ya'aleh v'yavo in birkat hamazon as shabbos ends. What about when Sunday is Purim?
8 Adar 5770 | Duration: 16:30
OC 187:4; OC 188:10; MB 188:33
When washing dishes, one must be careful not to cook.
17 Shevat 5770 | Duration: 16:23
Ch"A Hil. Shabbos 20:19-20
Price: $.99
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Warming food; returning food to or placing food into an insulated place.
7 Shevat 5770 | Duration: 18:48
Ch"A Hil. Shabbos 20:14
Price: $.99
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Returning food or warming food near the oven may or may not require a blech, depending on the exact circumstances.
6 Shevat 5770 | Duration: 8:29
Ch"A Hil. Shabbos 20:13
Using a blech on top or inside of an oven.
5 Shevat 5770 | Duration: 15:00
Ch"A Hil. Shabbos 20:12
Making a blech on shabbos; placing one pot on top of another.
4 Shevat 5770 | Duration: 17:58
Ch"A Hil. Shabbos 20:11
Price: $.99
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Can water be placed near the stove to warm up?
29 Tevet 5770 | Duration: 10:51
Ch"A Hil. Shabbos 20:11
While there is no "cooking after cooking," there is "roasting after cooking," "cooking after baking," etc.
26 Tevet 5770 | Duration: 17:58
Ch"A Hil. Shabbos 20:10
Price: $.99
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Can you mix a pot on shabbos? What about serving from the pot?
21 Tevet 5770 | Duration: 15:30
Ch"A Hil. Shabbos 20:9
Price: $.99
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Is dissolving or melting considered to be "cooking"?
19 Tevet 5770 | Duration: 16:59
Ch"A Hil. Shabbos 20:7
Price: $.99
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Applications of kli sheini: making tea; using a ladle. Introduction to melting and dissolving.
18 Tevet 5770 | Duration: 16:22
Ch"A Hil. Shabbos 20:7
Price: $.99
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Soaking cooked foods in hot water; pouring hot water on cooked foods.
13 Tevet 5770 | Duration: 14:57
Ch"A Hil. Shabbos 20:6
Price: $.99
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Secondary vessels and solid items.
12 Tevet 5770 | Duration: 15:50
Ch"A Hil. Shabbos 20:4-5
Cooking in a secondary vessel.
11 Tevet 5770 | Duration: 15:12
Ch"A Hil. Shabbos 20:4
Price: $.99
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The details of pouring from a primary vessel.
7 Tevet 5770 | Duration: 14:41
Ch"A Hil. Shabbos 20:3
Price: $.99
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Pouring from a cooking vessel isn't quite cooking, but...
5 Tevet 5770 | Duration: 15:05
Ch"A Hil. Shabbos 20:3
Price: $.99
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Cooking on shabbos with toldot ha-or -- secondary heat sources -- is a d'oraita prohibition.
4 Tevet 5770 | Duration: 14:38
Ch"A Hil. Shabbos 20:2
Price: $.99
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If a food is already fully cooked, does placing it on the heat constitute cooking? Or in other words, is there a malacha involved in "recooking"? (Bishul Achar Bishul)
14 Kislev 5770 | Duration: 14:17
Ch"A Hil. Shabbos 20:8
The source and principle of the malacha of bishul.
13 Kislev 5770 | Duration: 12:41
Ch"A Hil. Shabbos 20:1
Price: $.99
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Practical applications of kneading on shabbos: baby foods and bottles, tuna and egg salad, sandboxes, guacamole, cholent, and more.
25 Iyar 5769 | Duration: 17:24
Ch"A Hil. Shabbos 19:5-6
Price: $.99
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All kinds of mixing falls under the malacha of losh.
21 Iyar 5769 | Duration: 16:53
Ch"A Hil. Shabbos 19:3-4
L'ilui nishmat Zissel Devorah bas Avraham Abish on the occasion of her yahrzeit.
Price: $.99
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Kneading includes mixing a thick paste.
17 Iyar 5769 | Duration: 15:04
Ch"A Hil. Shabbos 19:2
Price: $.99
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Halacha l'ma'aseh: when is one chayav for kneading?
14 Iyar 5769 | Duration: 15:52
Ch"A Hil. Shabbos 19:1
Price: $.99
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The Av Malacha and principles of losh (kneading).
13 Iyar 5769 | Duration: 14:57
Shabb. 18a
Price: $.99
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Situations that may involve danger to life or that don't yet involve danger to life are also considered medical emergencies for shabbos purposes.
12 Iyar 5769 | Duration: 14:51
Shmiras Shabbos K'Hilchosa 32:11:10-15, 32:12-17
Price: $.99
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The halachic definition of a "medical emergency" are broader than we might expect.
11 Iyar 5769 | Duration: 16:49
Shmiras Shabbos K'Hilchosa 32:11:1-9
When an emergency exists, the most learned scholars should be first in line to tend to it -- in order to emphasize the importance of pikuach nefesh over shabbos and the value of life.
10 Iyar 5769 | Duration: 17:44
OC 328:11; MB 328:34-35
Price: $.99
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When it comes to life-threatening illness, we act quickly until all doubt is resolved.
7 Iyar 5769 | Duration: 15:44
OC 328:10,15; MB 328:25-28,40-42; Beur Halacha d.h. "V'Yeish Schar Harbeh"
Price: $.99
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Treatment before and after determining the nature of the emergency.
6 Iyar 5769 | Duration: 11:12
OC 328:4; MB 328:15-16
Price: $.99
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In emergencies, we don't hesitate to break shabbos; non-emergency treatment, however, is in a different category.
5 Iyar 5769 | Duration: 15:21
OC 328:4; MB 328:13-14
Price: $.99
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In a medical emergency, only a fool stops to ask questions about violating shabbos.
30 Nissan 5769 | Duration: 14:38
OC 328:2; MB 328:6
Price: $.99
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An introduction to handling medical conditions and health issues on Shabbos.
29 Nissan 5769 | Duration: 12:18
OC 328:2; MB 328:4-5
Price: $.99
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When Rosh Chodesh falls on Shabbos, we have a special haftarah and a special musaf.
27 Nissan 5769 | Duration: 14:10
OC 425:1,3; MB 425:1-2,14-15
Price: $.99
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Salt shakers, sugar shakers, drain filters, tea bags, and coffee presses.
21 Av 5768 | Duration: 15:28
Ch"A Hil. Shabbos 18:3
Dedicated as a zechut for a refuah shleimah for Moshe Chaim ben Rivka.
Price: $.99
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Principles, parameters, and examples of the malacha of tochen on shabbos.
20 Av 5768 | Duration: 15:50
Ch"A Hil. Shabbos 18:1-2
Dedicated as a zechut for a refuah shleimah for Moshe Chaim ben Rivka.
Price: $.99
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Final issues and examples in tochen; summary of all tochen principles.
14 Av 5768 | Duration: 15:06
Ch"A Hil. Shabbos 17:5-7
Tochen only applies to items that grow from the ground. But what exactly grows from the ground?
13 Av 5768 | Duration: 15:26
Ch"A Hil. Shabbos 17:4; Brachot 6:3
Price: $.99
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The impact of a grinder or grater with regard to tochen as a malacha.
12 Av 5768 | Duration: 16:22
Ch"A Hil. Shabbos 17:3
One of the most common applications of tochen is the cutting or chopping of vegetables for salad.
11 Av 5768 | Duration: 15:42
Ch"A Hil. Shabbos 17:2
Price: $.99
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The principles and parameters of the malacha of tochen on shabbos; permitted ways of grinding.
10 Av 5768 | Duration: 15:09
Ch"A Hil. Shabbos 17:1
Price: $.99
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Summary and overview of all the special aspects of Shabbos Erev Tisha b'Av.
5 Av 5768 | Duration: 15:23
Ch"A 135:23
On motzei shabbos erev Tisha b'Av, we cannot drink wine. How do we make havdala?
4 Av 5768 | Duration: 15:22
OC 556; MB 556:1-5
Price: $.99
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On Shabbos, the third meal usual extends past sunset into the night; on Erev Tisha b'Av, we begin fasting at sunset. So what do we do when Erev Tisha b'Av falls on Shabbos?
29 Tamuz 5768 | Duration: 16:05
OC 552:10;553:2; MB 552:23-24;553:6-7
28 Tamuz 5768 | Duration: 14:51
OC 551:9;553:2,12; MB 553:8-10,12
In general, we don't launder or wear clean clothes, take haircuts, or wash during the nine days. What about lichvod shabbat?
27 Tamuz 5768 | Duration: 15:34
OC 551:3,16; MB 551:32,95-97
On Shabbos Rosh Chodesh Menachem Av, do we read the haftarah for Rosh Chodesh or for the Tlat d'Puranuta? Also: the brachot for the haftorah and musaf on Shabbos Rosh Chodesh.
26 Tamuz 5768 | Duration: 13:20
OC 425:1-3; MB 425:8,15; OC 284:2; MB 284:4; OC 428:8
Price: $.99
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Why does wine get a special bracha? Why does fruit from a tree get a different bracha from other plants?
16 Sivan 5768 | Duration: 11:58
Shaarei Teshuva 202:19; OC 202:1; MB 202:1-2
Price: $.99
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We make havdala following Yom Tov, but we don't include the candle or spices. Why?
3 Sivan 5768 | Duration: 15:13
OC 491:1; MB 491:1-2; OC 298:1; MB 298:1
Malachot dealing with thread and cloth on shabbos.
29 Iyar 5768 | Duration: 37:11
Source Sheet
Price: $.99
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Chinuch for mitzvot lo ta'aseh begins as soon as the child understands "no." We protect our children from physical dangers; should we not be equally careful of spiritual dangers?
24 Iyar 5768 | Duration: 15:16
OC 343:1; MB 343:3,7-8
Price: $.99
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A child picks up a forbidden food or begins to perform a forbidden act. Need we stop the child? Reprimand him or her? What if it isn't your child?
23 Iyar 5768 | Duration: 15:41
OC 343:1; MB 343:1-3
Dedicated for a refuah shleimah for Chaya Sarah Dinah bas Alta Bas Sheva
Price: $.99
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Under no (ordinary) circumstances can you hand a child a forbidden food or an opportunity to violate a Torah prohibition.
22 Iyar 5768 | Duration: 15:22
OC 343:1; MB 343:4-6
L'ilui nishmat Zissel Devorah bas Avraham Abish on the occasion of her yahrzeit.
Price: $.99
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In some situations, we need not prevent a child from eating something when he shouldn't.
18 Iyar 5768 | Duration: 14:48
OC 269:1; MB 269:1-3
Price: $.99
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The ideal time for Kiddush Lavana is Motzei Shabbos -- within reason. Also: a brief summary of the works of Rav Yosef Caro, plus a bit of angeology.
1 Iyar 5768 | Duration: 15:02
OC 426:2-3; MB 426:4-6,18
L'ilui nishmat Moshe ben Hirsh on the occasion of his yahrzeit.
This class covers the first two malachot involving dealing with cloth on shabbos.
8 Iyar 5768 | Duration: 50:23
Source Sheet
Price: $.99
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If you forget to make up for havdala in the second bracha, you have additional opportunities through the meal, the seder, and beyond. Also: washing hands for kiddush.
5 Nissan 5768 | Duration: 14:04
OC 473:1; MB 473:5-9
Price: $.99
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If you forget to make Havdala in Kiddush, how do you make up for your ommission?
4 Nissan 5768 | Duration: 15:43
OC 473:1; MB 473:4
Price: $.99
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The Kiddush of Pesach on Motzei Shabbos is special in that it includes both Shehechiyanu and Havdala.
3 Nissan 5768 | Duration: 15:16
OC 473:1; MB 473:1,3
Dedicated as a zechut l'ilui nishmat Shaul ben Chana z"l for a refuah shleimah for Breina bas Frieda.
Price: $.99
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In the middle of the Pesach Seder, we recite Hallel; in the middle of Hallel, we interrupt to eat. How can we interrupt Hallel in the middle? Also: There are two special changes in Maariv for Pesach: many communities recite Hallel, and there is no Kiddush in shul.
2 Nissan 5768 | Duration: 11:58
OC 487:3-4; Pesachim 10:1; MB 487:10,16
Dedicated for a refuah shleimah for Breina bas Frieda and Tamar bat Sigalit.
Price: $.99
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Kneading is a relatively straightforward malacha with application in just a few circumstances.
24 Adar II 5768 | Duration: 47:38
Source Sheet
Price: $.99
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Chazal made a general gezeira regarding medical treatment on shabbos based on the prohibition on grinding. This shiur discusses why and goes into the details of medications and medical treatment on shabbos.
17 Adar II 5768 | Duration: 1:08:52
Source Sheet
An introduction to the malacha of grinding, including its application to a variety of foods and circumstances.
3 Adar II 5768 | Duration: 53:49
Source Sheet
Using a series of questions and scenerios, this class reviews the various halachot of cooking as covered previously in the shabbos series.
20 Adar I 5768 | Duration: 1:02:01
Source Sheet
Price: $.99
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In certain circumstances, food can cook even in a kli sheini or kli shlishi.
13 Adar I 5768 | Duration: 1:09:09
Source Sheet
Price: $.99
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Choosing whole matzos from among broken matzos is a problem of borrer that presents itself every Pesach.
29 Shevat 5768 | Duration: 4:45
Ch"A Hil. Shabbos 16:14
Price: $.99
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A review of many of the halachot of bishul, including chazara in detail; cooking in hot food off the fire.
29 Shevat 5768 | Duration: 1:02:55
Source Sheet
Price: $.99
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Dealing with common situations of borrer that occur during a meal: removing waste from food and peeling.
28 Shevat 5768 | Duration: 16:49
Ch"A Hil. Shabbos 16:12-13,15
Price: $.99
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According to the Chayei Adam, separating the parts of milk -- curds, whey, cream -- is all considered borrer.
24 Shevat 5768 | Duration: 12:53
Ch"A Hil. Shabbos 16:11
In yesterday's shiur (Borrer 8), we struggled to understand the confusing case of separating egg yolk and white by way of a mustard strainer. In today's shiur, Rav Dovid shares his chidushim that make sense of this difficult case.
23 Shevat 5768 | Duration: 16:50
Ch"A Hil. Shabbos 16:10; Shabbat 20:2; Rav Ovadia M'Bartenura, ad loc.; Shabbos 139b-140a; Rashi, ad loc.; OC 319:15; MB 319:58; Shaar HaTziun 319:47,49
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Strainers and filters can be used on shabbos in some circumstances but not others. This is an area where there is a very fine line between mutar l'chatchila and chayav chatas, and most of us often don't understand the differences.
22 Shevat 5768 | Duration: 15:31
Ch"A Hil. Shabbos 16:10
Price: $.99
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Practical applications of the malacha of cooking continued, including hatmana (insulating) and the use of a "buffet cart" for warming food.
22 Shevat 5768 | Duration: 1:02:58
Source Sheet
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Is there a permitted way to pour off a liquid from unwanted sediment or to remove fat from gravy on shabbos? How do you avoid borrer in such cases?
21 Shevat 5768 | Duration: 12:07
Ch"A Hil. Shabbos 16:9
Even though it is a utensil made for separating, under some circumstances an actual strainer may be used on Shabbos.
11 Shevat 5768 | Duration: 14:37
Ch"A Hil. Shabbos 16:8
Dedicated l'ilui nishmat Aharon ben Meir on the occasion of his yahrzeit.
Price: $.99
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Some liquids may be strained with a handkerchief without violating borrer, but straining others is an issur d'oraita.
10 Shevat 5768 | Duration: 10:45
Ch"A Hil. Shabbos 16:7
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Borrer also applies when separating between two foods when one is desirable and one is not.
9 Shevat 5768 | Duration: 15:30
Ch"A Hil. Shabbos 16:5
Applying the rules of borrer to a common shabbos situation: separating good fruit from bad, or wilted lettuce from crispy.
8 Shevat 5768 | Duration: 14:50
Ch"A Hil. Shabbos 16:4,6
Given as a zechut for a refuah shleima for Tamar bat Sigalit.
Price: $.99
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This class goes through many of the practical aspects involved in having hot food to eat on shabbos, including blechs, crockpots, hotplates, shehiya, chazara, and reheating.
8 Shevat 5768 | Duration: 1:11:42
Source Sheet
For borrer to be permissible, three conditions must be met: the separation must be done by hand, by taking good from bad, and for immediate use. The Chayei Adam adds another condition: taking the lesser quantity from the greater.
3 Shevat 5768 | Duration: 12:55
Ch"A Hil. Shabbos 16:1
Price: $.99
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The malacha of zoreh (winnowing) has very few practical implications today. Borrer (selecting or sorting) is among the most difficult malachot to apply because it is so subtle.
2 Shevat 5768 | Duration: 15:39
Ch"A Hil. Shabbos 15; Shabb. 74a
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What if you accidentally include ya'aleh v'yavo in a weekday amidah?
29 Tevet 5768 | Duration: 14:57
OC 108:12; MB 108:37-38
Price: $.99
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We previously learned that you can make up for a missed shabbos amidah in the subsequent weekday amidah. But what if you mistakenly davened a weekday amidah on shabbos -- can you correct that error in a subsequent weekday amidah?
25 Tevet 5768 | Duration: 10:21
OC 108:11; MB 108:32-33
Price: $.99
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The malacha of cooking is very complex. While the rules are straightforward, there are many, many rules to remember and apply -- more than any other malacha.
9 Tevet 5768 | Duration: 1:02:26
Source Sheet
Price: $.99
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Common applications of borrer and how to handle them.
2 Tevet 5768 | Duration: 1:01:04
Source Sheet
If squeezing liquid from a cloth is a form of dosh, sponges cannot be used on shabbos. How do we wash dishes? Clean a counter of table? Also: straining.
18 Kislev 5768 | Duration: 15:49
Ch"A Hil. Shabbos 14:13,15-16
Applications of dosh related to melting include cracking ice, melting butter, and dissolving sugar. Also: cleaning up spills.
17 Kislev 5768 | Duration: 15:53
Ch"A Hil. Shabbos 14:11-12
Price: $.99
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Beehives are categorized as something that "grows from the ground," which makes honeycomb subject to dosh. This shiur details the halachot involved. As usual, we extract principles that are applicable elsewhere in dosh.
16 Kislev 5768 | Duration: 9:54
Ch"A Hil. Shabbos 14:10
Price: $.99
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The juice that seeps from grapes on shabbos is rabbinically prohibited. However, you can soak the grapes in existing wine and enjoy the new wine that comes out. NOTE: This lecture mentions a chasid who drank Southern Comfort. That story goes back to the 1980s; Southern Comfort is not considered kosher today due to wine-based additives.
11 Kislev 5768 | Duration: 13:42
Ch"A Hil. Shabbos 14:14
Nursing is obviously permissible on Shabbos in spite of the dosh issues it presents. How are those issues handled when they come up? Also: the reason why cows are considered as growing from the ground; general parameters of pikuach nefesh as illustrated by several actual cases.
10 Kislev 5768 | Duration: 13:24
Ch"A Hil. Shabbos 14:9
Dedicated as a zechut for Tzipporah Feiga bas Chana Breina that she should have the privilege of raising children in a life of Torah.
Price: $.99
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Common applications of borrer and how to handle them.
10 Kislev 5768 | Duration: 1:03:53
Source Sheet
Price: $.99
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Cows and other animals are considered as growing from the ground, and this means that milking a cow is considered to be removing food (milk) from its natural container (cow). What are the parameters of dosh in this context?
9 Kislev 5768 | Duration: 13:50
Ch"A Hil. Shabbos 14:8
Price: $.99
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Liquids absorbed in food, like oil in a fried food, have a different status from liquids naturally in food or even brine in pickles.
5 Kislev 5768 | Duration: 12:24
Ch"A Hil. Shabbos 14:6-7
Dedicated to Yechiel Isser ben Tuvia on the occasion of his yahrzeit.
Price: $.99
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Is there a permitted way to squeeze lemon onto fish or into tea? To make lemonade? Can I squeeze the excess brine from my pickles?
4 Kislev 5768 | Duration: 15:40
Ch"A Hil. Shabbos 14:4-5
The first toldah of dosh is squeezing fruits for juice. How is this dosh? It is the process of removing the desired part (the juice) from its natural container (the fruit).
3 Kislev 5768 | Duration: 13:13
Ch"A Hil. Shabbos 14:2-3
Price: $.99
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Winnowing, selecting, and sifting together constitute "borrer", one of the most detailed and challenging malachot to understand and master. The distance between a permitted act and a Torah prohibition, says the Mishna Brura, is but a hair's breadth in width.
3 Kislev 5768 | Duration: 1:02:06
Source Sheet
Price: $.99
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The av malacha, principles, and several examples of dosh (threshing).
2 Kislev 5768 | Duration: 10:57
Ch"A Hil. Shabbos 14:1
Price: $.99
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Birkat HaMazon on shabbos when Rosh Chodesh falls on Sunday (part 2). Do we include r'tzei for shabbos, Ya'aleh v'Yavo for Rosh Chodesh, or both?
28 Cheshvan 5768 | Duration: 15:10
OC 188:10; MB 188:33-34
Price: $.99
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When Rosh Chodesh falls on Sunday, there is a special haftara reading. Also: Birkat HaMazon on shabbos when Rosh Chodesh falls on Sunday (part 1).
27 Cheshvan 5768 | Duration: 8:33
OC 425:2; MB 425:9; OC 188:10; MB 188:32
The conclusion of "Plowing, Planting, and Picking": Dealing with Houseplants; the next group of agricultural malachot: gathering and threshing.
24 Cheshvan 5768 | Duration: 1:30:39
Source Sheet
Price: $.99
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This class covers the first three agricultural malachot: plowing, planting, and picking.
17 Cheshvan 5768 | Duration: 1:10:09
Source Sheet
Why was the Haftara for Rosh Chodesh on Shabbos chosen?
30 Tishrei 5768 | Duration: 6:57
OC 625:1; MB 625:6-8; Isa. 66:23
An introductory level guide to Shabbos observance. This class covers a basic overview of the mitzvah of keeping Shabbos and the origins of the prohibited activities.
1 Cheshvan 5768 | Duration: 54:52
Source Sheet
Price: $.99
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When Rosh Chodesh falls on Shabbos we add Ya'aleh v'Yavo, read a special Rosh Chodesh Maftir, and recite a special haftara.
29 Tishrei 5768 | Duration: 9:03
OC 625:1; MB 625:1-5
Dedicated in memory of Shnuer Zalman ben Shlomo on the occasion of his yahrzeit.
Salt, dirt, stones, pebbles, Cheerios necklaces, eggs, and seaweed.
23 Av 5767 | Duration: 12:42
Ch"A Hil. Shabbos 13:2-3
Price: $.99
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The principle and Av Melacha of m'amer along with some basic examples.
22 Av 5767 | Duration: 11:55
Ch"A Hil. Shabbos 13:1
Price: $.99
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Chazal imposed a number of gezeirot to distance us from harvesting. Also: Understanding the reason(s) for gezeirot and more on Rav Dovid's favorite halacha.
27 Tamuz 5767 | Duration: 13:56
Ch"A Hil. Shabbos 12:7-10
Price: $.99
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The details of the various gezeiros chazal made regarding trees, stumps, and grasses. Also: Rav Dovid's absolute favorite halacha!
24 Tamuz 5767 | Duration: 13:31
Ch"A Hil. Shabbos 12:6
Price: $.99
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The halachos surrounding removing vegetables from dirt. Also: Using a tree; smelling fuits and flowers.
23 Tamuz 5767 | Duration: 14:20
Ch"A Hil. Shabbos 12:3-5
Dedicated l'ilui nishmat Chaim ben Micha'el on the occasion of his yahrzeit.
Price: $.99
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All potted plants are muktzeh, but cut flowers are not. Kotzer and zoreah are often the inverse of each other.
20 Tamuz 5767 | Duration: 16:23
Ch"A Hil. Shabbos 12:2
Price: $.99
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Why are potted plants are muktzeh on shabbos? Also: Introduction to the malacha of kotzer and its relationship with zoreah.
19 Tamuz 5767 | Duration: 14:25
Ch"A Hil. Shabbos 11:4; 12:1
Price: $.99
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Third and fourth aspects of planting: pruning to promote new growth; re-planting an existing plant in the ground.
16 Tamuz 5767 | Duration: 12:02
Ch"A Hil. Shabbos 11:4-5
Price: $.99
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A second aspect of planting: placing seeds or stalks into water or on the ground. Also: dealing with cut flowers on shabbos; watermelon seeds; soaking grains and beans.
13 Tamuz 5767 | Duration: 14:50
Ch"A Hil. Shabbos 11:2-3
Price: $.99
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The principle and av malacha of planting, including a discussion of psik reisha and its application.
12 Tamuz 5767 | Duration: 14:24
Ch"A Hil. Shabbos 11:1
The malacha of plowing includes: plowing; digging; fertilizer; mulch; dragging a heavy bench or chair; sweeping; playing marbles or soccer; pushing a carriage; sprinkling sand or salt on ice.
11 Tamuz 5767 | Duration: 17:29
Ch"A Hil. Shabbos 10:1-3
Price: $.99
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Why do chazal enumerate the malachos as "forty minus one" rather than thirty-nine? The full list of thirty-nine malachos and an illuminating explanation of their division into categories that indicates a relationship between the malachos and tzitzit.
10 Tamuz 5767 | Duration: 13:42
Num. 15:32-41; Ch"A Hil. Shabbos 9:1
Where does the concept of the thirty-nine forbidden forms of work come from? How do we know there are thirty-nine, and how do we know what they are?
9 Tamuz 5767 | Duration: 15:47
Ex. 20:7-10; Ex. 31:12-17; Rashi Ex. 31:13; Shabb. 49b; Ch"A Hil. Shabbos 9:1
Price: $.99
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When two people do a malacha together, the given act may be chayav, patur, or mutar -- it depends on the exact circumstances. The details of "shnayim she-asu".
3 Tamuz 5767 | Duration: 15:34
MT Shabbos 1:15-17
Complete lack of intentionality. Also: every malacha has a minimal shiur (measure) to be chayav.
2 Tamuz 5767 | Duration: 13:21
MT Shabbos 1:11-14,19
Doing a malacha for a different purpose; intending to do one malacha but doing another instead.
28 Sivan 5767 | Duration: 13:10
MT Shabbos 1:7-9
Introduction to malechet machshevet and intentionality with regard to shabbos malacha.
27 Sivan 5767 | Duration: 15:38
MT Shabbos 1:5-6
Price: $.99
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An introduction to the general principles of "work" on shabbos.
26 Sivan 5767 | Duration: 13:57
MT Shabbos 1:1-4
Dedicated by Ronald and Marion Stein l'ilui nishmat Menachem Mendel ben Yeshua Yaakov on the occasion of his yahrzeit.
What is the Torah reading for Chanukah and why? What do we read on shabbos? Rosh Chodesh?
29 Kislev 5767 | Duration: 11:09
OC 684:1-2; MB 684:1-2,5,7
Price: $.99
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When lighting Chanukah candles before Shabbos, it is best to daven Mincha first -- especially if it's the first night. Why? And what if you can't?
22 Kislev 5767 | Duration: 15:37
OC 672:1; OC 679:1; MB 679:1-2; Shaar HaTzium 679:7
Dedicated for chizuk for Oritte bat Aliza.
Price: $.99
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On the shabbos before Rosh Chodesh, we announce the upcoming month. Also, if Rosh Chodesh falls on Sunday, we read a special haftarah on Shabbos.
28 Tishrei 5767 | Duration: 7:48
OC 417; MB 417:1
From kiddush through the start of the maggid.
2 Nisan 5766 | Duration: 49:40
Which mitzvah comes first, Chanukah candles or Havdala?
29 Kislev 5766 | Duration: 7:23
OC 681:2; MB 681:2,3
Price: $.99
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If you only have enough money for Chanukah candles or Shabbos candles, which takes precedence? What about candles vs. Kiddush wine?
19 Kislev 5766 | Duration: 10:15
OC 671:1; MB 671:1-3; Shabb. 23b; OC 678:1; MB 678:4
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