2.1 Simple cognitive analysis Development of science is connected with the need to know, to understand, explain the outside and inside world. Decisive role for the objective cognition of the outside world played the measurement with it specific concepts of comparison and standards . The evaluation and analysis of measurement enabled later the Theory of errors. All that is familiar to Land Surveyors and partly also to cognate sciences and professions. Most general and simplest mathematical presentation of outside processes gives the Hagen Theorem.
Gradual analysis is simple and time saving.
Its application was widened also for psychological processes of education. It serves also as a first step for overcoming of binary thinking. For cognition and estimation of interaction and differences in professional and civil environment we introduced s.c. In interaction generally they are involved the material as well as psychological factors. Adaptation of frame to different task Such general concept can be adapted for various tasks in education and profession.