Zaydun ibnu ʿAmrin can be a nominal sentence: Zaydun is the subject/topic and ibn ʿAmrin the predicate. Because ibn is not a qualifying adjective, omission is inapplicable.
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When Ibn Is a Predicate
Tanwīn: Five Types, Their Function, and Omission
Zaydun ibnu ʿAmrin can be a nominal sentence: Zaydun is the subject/topic and ibn ʿAmrin the predicate. Because ibn is not a qualifying adjective, omission is inapplicable.