Discuss. Dr. Faustus as atragedy play.

The most common definition of a tragedy is a play in which a hero (usually the main character) falls from a very high position to the lowest of the low through his own human pride (his hubris).  Certainly in this play Dr. Faustus wants to achieve various things which he should not be engaging in and he is willing to sell his soul for knowledge that he should not, as a human being, have.