The evaluation of the nation personal identity is one of the basic
problems in philosophy of mind. When one is born, he gradually begins to
grow. One the cause of his growth, many changes will be observed in both
his mental and physical nature. The problem now is whether the person is
really the same after undergoing those changes both physically and mentally.
We are going to see in this paper Aristotle's conception of personal identity
where he differentiated between substance and accident later