تَلِفَ بَعْضُ الْأَوْرَاقِ، لَا جَمِيعُهَا.
Some leaves were damaged, not all of them.
“Lā jamīʿuhā” can forestall the mistaken inference that damage affected the entire collection. Where that inference is a genuine risk, the qualification functions as iḥtirās, protection against an unintended meaning.
If the partitive “baʿḍ” is already sufficient in a context with no realistic risk of confusion, the added denial may contribute little. The label depends on the specific misconception prevented, not on the mere presence of extra negative wording.