The system approach to the inventive problem situation means in TRIZ that an inventor should consider not only a system that he or she wants to improve but also its subsystems (components) and super-system . TRIZ recommends to think about the present status of system, its subsystems and super-system regarding their past (history of development, history of problem) and future (tends of evolution, ways of improvement, etc.). At the result an inventor has so-called "9 screen vision" with dynamic changes of subsystem during development of the system under consideration.

The simultaneous analysis requests a training and practice (available in the Virtual TRIZ College).

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