What distinguishes “wa-hum āminūn” from “wa-l-ḥamdu lillāh” in that inserted sequence?

Supplementary Practice 12: Rhetorical Evidence, Competing Analyses and Reasoned Revision

• The first is supplication, the second a cognate accusative
• Both are construct phrases
• Both are conditional results
• The first states the workers’ circumstance; the second expresses independent praise