تَصَوُّرُ الْمُسْنَدِ إِلَيْهِ
Forming a mental conception of the subject of predication.
Taṣawwur questions can contain a perfectly intelligible predicative framework. In “syrup or honey in the vessel?” the existence of a substance in the vessel is understood; its identity is not.
The presence of a relation in the sentence does not itself make it a taṣdīq question. Understanding a relation as background differs from requesting a judgment on whether it holds.