Hegelianism is the philosophy of G. W. F. Hegel which can be summed up by the dictum that the rational alone is real, which means that all reality is capable of being expressed in rational categories.egel's philosophy of the State, his theory of history, and his account of absolute mind are perhaps the most often read portions of his philosophy due to their accessibility. The State, he says, is mind objectified.
Engineering psychology. Engineering psychology is the science of human behavior and capability, applied to the design and operation of systems and technology.
Engineering, in general, is the application of science and math to solve problems. Based on the definitions of a system and engineering, we can say that systems engineering is the application of science, math, and management knowledge to solve problems related to any system (however large or small).