According to your Lecture on Writing about Theatre, in Aristotle's philosophical system 'The definitive essence of a thing. The 'is-ness' of a thing.' is called __________.
Understand the Problem
The question asks about the philosophical concept as described in Aristotle's theory of causation, specifically regarding the 'is-ness' of a thing, and is looking for the correct term associated with that concept.
Answer
Formal Cause
The final answer is Formal Cause.
Answer for screen readers
The final answer is Formal Cause.
More Information
In Aristotle's philosophy, the 'is-ness' or essence of a thing is known as its Formal Cause. This refers to the form or archetype of a thing that makes it what it is.
Tips
A common mistake is to confuse the Formal Cause with the Final Cause, which refers to the purpose of a thing.