 In essence, following this method of logical verification meant for Avicenna examining the texts of Aristotle, read in the order in which they are presented in the curriculum, and testing the validity of every paragraph. How he did this in practice, teasing out the figures and forms of syllogisms implied in Aristotle’s texts, can be seen in numerous passages in his works. By his eighteenth year, he had internalized the philosophical curriculum and verified it to his own satisfaction as a coherent system with a logical structure that explains all reality.