Jamʿ kathīr means a large group. The Quduri sentence does not assign a fixed count such as ten or twenty.
Instead it adds the substantive requirement: yaqāʿ al-ʿilm bi-khabarihim, that their report results in reliable knowledge of the event.
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What is a sufficiently large group?
Kitab al-Sawm: Eid Crescent Sighting and Testimony
Jamʿ kathīr means a large group. The Quduri sentence does not assign a fixed count such as ten or twenty.
Instead it adds the substantive requirement: yaqāʿ al-ʿilm bi-khabarihim, that their report results in reliable knowledge of the event.