لَا رَجُلَ فِي الْغُرْفَةِ
Translation: There is no man in the room.
لَا: generic-negating particle.
رَجُلَ: ism lā built on fatḥ, in an accusative position.
فِي: preposition; الْغُرْفَةِ: genitive noun.
فِي الْغُرْفَةِ: prepositional expression relating to an understood predicate (khabar lā).
The predicate need not be an overt single nominative noun; here it is expressed through a prepositional construction.
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Ism of Mā and Lā Resembling Laysa; Khabar of Lā of Generic Negation
لَا رَجُلَ فِي الْغُرْفَةِ
Translation: There is no man in the room.
لَا: generic-negating particle.
رَجُلَ: ism lā built on fatḥ, in an accusative position.
فِي: preposition; الْغُرْفَةِ: genitive noun.
فِي الْغُرْفَةِ: prepositional expression relating to an understood predicate (khabar lā).
The predicate need not be an overt single nominative noun; here it is expressed through a prepositional construction.