This Web site provides detailed discussions of Diamond Theory, and is intended for college math students or mathematicians. Diamond Theory, according to the author, is best classified in the subject of "finite automorphism groups of algebraic, geometric, or combinatorial structures." The main focus of the material is the technical aspects of the concept, but there are some references to its philosophical beginnings. Despite having extensive information on this site, the author also includes several links to offsite resources. The "Diamond 16 Puzzle" is a curious challenge that might be easier after learning about the Diamond Theory.
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