What is shown by a full answer like «Muḥammad nabiyyunā» and the contrast «Zayd ʿālim / Zayd yataʿallam»?

Conditions of the Predicate: Ellipsis, Reconstruction and Expression

• Expressing a predicate only adds words
• Every participle denotes an eternal property
• Mention can clarify predication, while noun/verb form may foreground characterization or activity
• An imperfect verb cannot be a predicate