If a compact statement can be elaborated, what does that establish?

Musāwāt and Ījāz al-Qaṣr: Proportionate Wording and the Rhetoric of Qiṣāṣ

• That a verb must have been omitted
• Only that its meaning can be explained at length, not that words were omitted
• That its subject must be omitted
• That it is necessarily ījāz al-ḥadhf