What changes when “al-maqāla kataba Khālidun” becomes “mā kataba Khālidun illā al-maqāla”?

Supplementary Practice 7: Editing Expressions, Weighing Context and Rhetorical Critique

• The second changes the agent to Amr
• The second overtly excludes other objects of Khalid’s writing
• The first was already a negated assertion
• They are identical in every context