ويسمى هذا القسم مشككا؛ لأنه يوقع الناظر في الشك
It is called mushakkik because it may cause uncertainty in the observer.
The puzzle is this: if the meaning is one, why does it apply with a relevant difference? And if there is a difference, are we dealing with distinct meanings after all?
Mutawāṭiʾ: the same meaning applies equally in the respect at issue.
Mushakkik: the common meaning applies with a relevant gradation.
The commentary notes that historical schools differ over cases involving existence and essence. Those philosophical disputes should not obscure the basic logical classification.