«زَيْدٌ شَاعِرٌ لَا كَاتِبٌ»
Zayd is a poet, not a writer.
The attribute “poet” is affirmed, while lā (لا) negates “writer.” Similarly, “mā Zaydun kātiban bal shāʿir” first denies that he is a writer and then, with bal (بل), asserts that he is a poet. Both alternatives are explicitly verbalized, making the correction clear.
Coordinated exclusion is well suited to ifrād, especially when a listener wrongly combines two descriptions. Yet one should still read the discourse before classifying every coordinated contrast as the same subtype.