Who is Aristotle and what were his major contributions to philosophy?

This is actually a pretty detailed question for this short space.Aristotle was an ancient Greek philosopher and scientist. The Poetics is Aristotle's attempt to explain the basic problems of art. He both defines art and offers criteria for determining the quality of a given artwork. The Poetics stands in opposition to the theory of art propounded by Aristotle's teacher, Plato. You can check out more at the link below:

What is the difference between the concepts of Aristotle and Platos concept pf imitation

Which according to Aristole is a superior art form epic tragedy or poetry ? Give three reason to support the arguments ?

Which according to Aristole is a superior art form epic tragedy or poetry ? Give three reason to support the arguments ?