Tatabbuʿ (investigation) is not merely listing names. It means checking the relevant feature in each selected instance. If the claim concerns jaw movement during chewing, that very behavior must be examined.
Imagine a teacher testing several pens:
Pen 1 — produces ink.
Pen 2 — produces ink.
Pen 3 — produces ink.
These observations are established, but they do not yet prove that every pen of the same kind must work. The general claim requires attention to coverage and unexamined instances.
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Induction: Complete and Incomplete Enumeration, Certainty and Probability
Tatabbuʿ (investigation) is not merely listing names. It means checking the relevant feature in each selected instance. If the claim concerns jaw movement during chewing, that very behavior must be examined.
Imagine a teacher testing several pens:
Pen 1 — produces ink.
Pen 2 — produces ink.
Pen 3 — produces ink.
These observations are established, but they do not yet prove that every pen of the same kind must work. The general claim requires attention to coverage and unexamined instances.