Melachah מלאכה - Tasks which are prohibited on Shabbat

Please note that for ease of use [and design] I have used Rashi's classifications of "Central" and "Descendant" Classes of Labor.

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Penalties for performing melachah

That which was in the Mishkan [Tabernacle] is considered an Av Melachah: Shabbat 96b, Bava Kama 2a

The avot melachah have scriptural sources: Shabbat 96b

Whether the prohibition against performing melachah on Shabbat applies outside of Israel: Kiddushin 37a

"Melachah" is defined as "melechet machshevet," an act involving craftsmanship: Beitzah 13b [see Rashi]

Source to determine the 39 forbidden types of melachah: Shabbat 70a, 97b

The Source for having 39 forbidden types of melachah is a law told to Moshe at Mt. Sinai: Shabbat 97b

List of the 39 Avot Melachah: Shabbat 73a

That which was performed in the Mishkan [Tabernacle] is considered an Av Melachah: Bava Kama 2a

Source for the existence of toladah sub-categories, with their own penalties: Shabbat 70b, 103b

Listing forms of melachah involved in bread-baking, and so listing Cooking under Baking: Shabbat 74b

Listing forms of melachah which are identical, or overlap, in the List of 39: Shabbat 73b-74a, 75b

Listing forms of melachah which are unnecessary for regular use: Shabbat 74a

Requiring a minimum melachah action for liability: Shabbat 74a

Requiring that melachah be done to completion, or not, to incur liability: Shabbat 103a-b

Requiring that melachah be done in the ordinary way it is done, to incur liability: Shabbat 73b, 74b, 94b, 123b

Requiring that melachah accomplish something permanent, to incur liability: Shabbat 102b, 103b, 104b

Adding "Shovet" and "Midakdek" to the list, forms of melachah involved in arranging and using a loom: Shabbat 75b, 97b

Applying kareit [Divine excommunication] or requiring a korban chatat [sin offering] for violating Shabbat: Keritot 2a

There is Sekilah for intentional violation if there is a Sin-Offering for accidental violation of that type of labor: Shabbat 154a

Being more lenient regarding Shabbat than Yom Tov, because Yom Tov is inherently more lenient in its laws, leading people to possibly disregard its prohibitions: Beitzah 2a-b

Comparing the definition of "Complete Melachah [Gmar Melachah]" for Shabbat and for processing of produce to require tithing: Beitzah 13b

Completing a melachah which was begun before Shabbat: Keritot 19b

Zoreia - Seeding

Choresh - Plowing

Kotzeir - Cutting/Harvesting

MiAmer - Collating Sheaves

Dishah - Threshing

Zoreh - Winnowing

Borair - Separating

Techinah - Grinding

MiRaked - Sifting

Lishah - Kneading

Bishul and Afiyyah - Cooking and Baking

Gozeiz - Shearing

MiLaben - Whitening

MiNapetz - Pressing

Tzoveia - Coloring

Toveh - Threading

Mayseich - Setting up a Loom

Oseh 2 Batei Nirin - Using a Loom

Oreg and Potzeia - Weaving and Separating

Koshair and Matir - Tying and Un-Tying

Tefirah - Sewing

Koreia - Tearing

Tzeidah - Trapping

Netillat Neshamah - Killing

Mafshit - Skinning

Melichah - Salting

Ibbud - Leather-working

MiMachek - Leather-Smoothing

Chotech - Cutting

Kotaiv and Mochaik - Writing, Conducting Business and Erasing

Boneh and Sotair - Building and Destroying

Hav'arah and Kibuy - Lighting and Extinguishing

Makeh BePatish - Completing melachah

Hotzaah MeiReshut LeReshut - Transporting from one Area to Another

Defining "Areas" for Transport

Metaken - Fixing [indexed separately because its Av is unclear]



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