Philosophy is about as broad a subject as one can find in a university curriculum.
It also falls within philosophy to examine the methods and practices of virtually all academic disciplines. Because of this breadth, a person can study philosophy in ways involving the styles and techniques of thought of most other fields of inquiry. For example, the work of a philosopher concentrating in logic is much like that of the student of mathematics. A philosopher primarily interested in the philosophy of religion will often be doing much the same things as a theologian or a student of the history of religion. Political philosophy is regarded by some as including political activity itself.