Prohibited Melachah performed for a non-standard purpose - Melachah she'Einah Tzerichah leGufah
Types of Melachah
Where the action is not performed for the normal purpose of that action, or for the benefit of the person performing the action: Shabbat 94a-b
Destructive vs. beneficial melachah: Shabbat 72b, 105b; Chagigah 10a
Full violation occurs only if melachah is performed in the way in which it is ordinarily done: Shabbat 73b, 74b
Applying the principle of melachah she'einah tzerichah l'gufah to rabbinically prohibited melachah: Shabbat 94b
Melachah she'einah tzerichah l'gufah, where the prohibition is guaranteed to occur: Shabbat 117a
Specific Cases
Digging a hole, where the dirt is needed: Shabbat 73b; Beitzah 8a Transporting items on Shabbat: Shabbat 93b, 94a-b, 141b Tearing Clothing, in Anger: Shabbat 105b Trapping a deer in a house, when locking it in obliviously: Shabbat 106b-107a Trapping of a species which isn't ordinarily trapped: Shabbat 107a Trapping a snake, to prevent it from biting: Shabbat 107a, 107b Killing a dangerous creature, where it isn't chasing anyone: Shabbat 121b Buildingan entrance to a pimple, to remove pus: Shabbat 107a, 107b; Ketuvot 6b-7a Skinning an animal without desire for the hide: Shabbat 117a
Raking coals, causing them to ignite, when trying to produce warmth: Keritot 20b
