LessonsInvalidators of Prayer, Part 1: Items 1–24Quiz

7. Amal Kathir — excessive action. The preferred definition given by the commentary is an action pattern that makes an observer have no doubt that the person is not in prayer; if the observer could still reasonably be unsure, it is treated as little action.
8. Turning the chest away from the Qiblah without a valid legal necessity.
9. Eating anything introduced from outside the mouth, even a small amount.
10. Eating food already between the teeth when it is a large amount — classically, about the size of a chickpea.
11. Drinking.

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Items 7–11: Action, Qiblah, Eating and Drinking

Invalidators of Prayer, Part 1: Items 1–24

7. Amal Kathir — excessive action. The preferred definition given by the commentary is an action pattern that makes an observer have no doubt that the person is not in prayer; if the observer could still reasonably be unsure, it is treated as little action.
8. Turning the chest away from the Qiblah without a valid legal necessity.
9. Eating anything introduced from outside the mouth, even a small amount.
10. Eating food already between the teeth when it is a large amount — classically, about the size of a chickpea.
11. Drinking.