As for his statements and those of his followers—such as Alexander of Aphrodisias, Proclus, Themistius, al-Fārābī, Ibn Sīnā, al-Suhrawardī (who was put to death), Ibn Rushd the grandson, and others like them—on metaphysics, their numerous errors and grave shortcomings are apparent to the majority of rational people. Indeed, their statements contain contradictions that can scarcely be fully enumerated.