Home/Related/The Theoretical System of Shiology Related The Theoretical System of Shiology 6 November 2026 1 min read On this page The basic system of Shiology is also known as the "1-3-16-44 system". It means that Shiology consists of one tier-1 subject, three tier-2 subjects, Sixteen tier-3 subjects, and forty-four tier-4 subjects.