جَاءَ رَجُلَانِ.
Translation: two men came.
Rajulāni is a nominative subject; its alif marks nominative. The nūn is not the case marker.
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The Alif Marks Nominative
The Dual Noun: Inflection, Maqṣūr, Mamdūd and Iḍāfah
جَاءَ رَجُلَانِ.
Translation: two men came.
Rajulāni is a nominative subject; its alif marks nominative. The nūn is not the case marker.