Branches of knowledge

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Branches of knowledge

Variation of Adler's classification[edit]

All subjects fit under or under a combination of constructs, science, engineering, or humanities. Engineering overlaps with the other subjects. Mortimer J. Adler classified knowledge into six divisions: Logic, Mathematics, Science, History and the Humanities, Philosophy, and Preservation of Knowledge.[1] The structure below is based off of Adler's classification.


Science (Natural science)[edit]

Humanities (Social science)[edit]


Engineering is an interdisciplinary branch that overlaps with other top-level categories.


  1. 1.0 1.1 Adler, Mortimer J., "The Branches of Knowledge", Encyclopedia Britannica