Jamʿ (gathering) places several different subjects under one judgment or description. Instead of asserting a separate predicate for every subject, the speaker draws attention to a shared outcome.
Youth, leisure, and wealth are distinct circumstances. When they are grouped as possible contributors to misconduct, one predication governs all three. The device is therefore a meaningful union under a common judgment, not just a list of nouns.
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Semantic Embellishments II: Gathering, Differentiation, Division, Hyperbole, and Further Devices
Jamʿ (gathering) places several different subjects under one judgment or description. Instead of asserting a separate predicate for every subject, the speaker draws attention to a shared outcome.
Youth, leisure, and wealth are distinct circumstances. When they are grouped as possible contributors to misconduct, one predication governs all three. The device is therefore a meaningful union under a common judgment, not just a list of nouns.