That two people are both human, or two descriptions are both attributes, is too broad to justify coordination in a given discourse. A more particular and contextually relevant connection is needed.
In «زَيْدٌ شَاعِرٌ وَعَمْرٌو كَاتِبٌ», poetry and writing offer a literary connection, though its usefulness still depends on the communicative setting. Merely sharing a very general category is not the same as having a specific jāmiʿ.
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Waṣl: Agreement of Form and Function, and the Unifying Relation
That two people are both human, or two descriptions are both attributes, is too broad to justify coordination in a given discourse. A more particular and contextually relevant connection is needed.
In «زَيْدٌ شَاعِرٌ وَعَمْرٌو كَاتِبٌ», poetry and writing offer a literary connection, though its usefulness still depends on the communicative setting. Merely sharing a very general category is not the same as having a specific jāmiʿ.