كل مقوم للعالي مقوم للسافل، كالقابل للأبعاد؛ فإنه مقوم للجسم النامي والحيوان والإنسان.
Every constitutive feature of a higher nature also constitutes its lower kinds. For example, receptivity to dimensions constitutes body and continues through growing body, animal and human.
Because a human is a kind of body, the essential constituents of body remain within the analysis of human nature. The logical inclusion runs from higher genus to subordinate species.