What does “la-tarkabunna ṭabaqan ʿan ṭabaq” answer?

Supplementary Practice 29 — Comparative Rhetoric of Sūrat al-Infiṭār and Sūrat al-Inshiqāq

• The condition innaka kādiḥ
• The oaths by twilight, night, and moon
• The question mā gharraka
• The negation of kallā