The elements are not proper substances in Aristotelian theory or the modern sense of the word.

The Aristotelian theory of motion came under criticism and/or modification during the Middle Ages.

In the 14th century, Jean Buridan developed the theory of impetus as an alternative to the Aristotelian theory of motion.

In 1965 he completed his doctorate on the Aristotelian theory of judgement.

Thomas Aquinas and other scholastics appropriated this Aristotelian theory to argue that women are inherently inferior and non-normative.

In his early work, he demonstrated an avoidance of alchemical theory and an acceptance of Aristotelian theory.

The current Aristotelian theories of impetus and terrestrial motion were inadequate to explain these.

His most important work, it is a classic of skepticism that criticizes the Aristotelian theory of knowledge.

Verisimilitude has its roots in both the Platonic and Aristotelian dramatic theory of mimesis, the imitation or representation of nature.

His ideas on reality seem similar to Platonic and Aristotelian theory though much less coherent.