Buddhist scholars have produced a number of intellectual theories, philosophies and world view concepts (see, for example, Abhidharma, Buddhist philosophy and Reality in Buddhism). Some schools of Buddhism discourage doctrinal study, and some regard it as essential practice.
What are some of the theories and philosophies produced by Buddhist scholars? Does Buddhism encourage or discourage doctrinal studies? Who has produced a number of theories and concepts such as Abhidharma and Reality in Buddhism? Some schools within Buddhism discourage what type of study?