There is also an intellectual hierarchy
There is also an intellectual hierarchy of the disciplines as well. This generally moves from the more abstract and theoretical to the less so, with pure mathematics at the top, followed by its applied forms (including statistics and computer science), with physics generally coming next, again with the theoretical viewed as above the empirical, then to chemistry (and closely related molecular biology), then on to economics, which has the most mathematical orientation of the social sciences, on through ecology, psychology, and to political science and sociology, even as these latter disciplines have become more mathematical in some of their branches, especially with the application of game theory
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