82 Methodology of Informatics The main body of the methodology includes: Information( Mechanism) analysis of complex systems Information(Mechanism) synthesis of complex systems Information(Mechanism) evolution of complex systems The related criteria of the methodology include: The trinity of matter, energy, and information; The trinity of structure, function, and behavior§2 Methodology of Informatics -- Information (Mechanism) analysis of complex systems -- Information (Mechanism) synthesis of complex systems -- Information (Mechanism) evolution of complex systems The related criteria of the methodology include: The main body of the methodology includes: -- The trinity of matter, energy, and information; -- The trinity of structure, function, and behavior