What does “al-maʿṭūf fī ḥukm al-maʿṭūf ʿalayh” mean?

Coordination (ʿAṭf bi-l-Ḥurūf): Rules and Parsing

• The coordinate is always nominative
• The coordinate is always indefinite
• The coordinate shares the first term’s grammatical standing
• The first term is deleted