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The patterns he found form the basis of TRIZ. One of Altshuller ??™ s particularly
interesting findings was that real innovation happens only when several different
disciplines cooperate.
Altshuller wrote a letter to Stalin about the deplorable state of affairs in the
Soviet Union. He was sentenced to 25 years and continued his studies with his
fellow inmates while at a labor camp. After Stalin died Altshuller was released from
prison, and when the Soviet Union broke up, TRIZ was taught in the West too [29].
33
2.2 Determining Requirements
Probably the most important step in a system development process is collecting
requirements. If this step is neglected you may still be able to develop a system,
but it will probably be no big success, since you haven ??™ t considered what the system
??™ s environment??”e.g., your principal or the system users??”want and demand.
Figure 2.5 shows the details of our approach step determine requirements
from Figure 2.1 . The approach splits this step into two areas that will be described
in the following sections.


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