حَضَرَ الطَّالِبَانِ كِلَاهُمَا.
Translation: Both students, both of them, attended.
الطَّالِبَانِ: nominative subject with alif.
كِلَاهُمَا: semantic emphasis (tawkīd), nominative with alif; it is annexed to the pronoun هُمَا.
Meaning: كِلَاهُمَا does not add a third person; it emphasizes that both students attended.
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Noun Case Classes: Type 5 — The Dual and Related Forms
حَضَرَ الطَّالِبَانِ كِلَاهُمَا.
Translation: Both students, both of them, attended.
الطَّالِبَانِ: nominative subject with alif.
كِلَاهُمَا: semantic emphasis (tawkīd), nominative with alif; it is annexed to the pronoun هُمَا.
Meaning: كِلَاهُمَا does not add a third person; it emphasizes that both students attended.