The source definition names both affirmation and denial. A report may assert that something holds or that it does not hold.
«زَيْدٌ مُسَافِرٌ» — affirms travel of Zayd.
«زَيْدٌ لَيْسَ بِمُسَافِرٍ» — denies that he is travelling.
«مَا حَضَرَ زَيْدٌ» — denies his arrival.
Each remains a reportable predication whose truth or falsehood can be considered. By contrast, «هَلْ حَضَرَ زَيْدٌ؟» requests information and does not itself assert an arrival.
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States of Assertoric Predication: Purposes of Reports and Three Audience States
The source definition names both affirmation and denial. A report may assert that something holds or that it does not hold.
«زَيْدٌ مُسَافِرٌ» — affirms travel of Zayd.
«زَيْدٌ لَيْسَ بِمُسَافِرٍ» — denies that he is travelling.
«مَا حَضَرَ زَيْدٌ» — denies his arrival.
Each remains a reportable predication whose truth or falsehood can be considered. By contrast, «هَلْ حَضَرَ زَيْدٌ؟» requests information and does not itself assert an arrival.