1. The clear realization that the problem was generic and could only be solved through a decision which established a rule, a principle; 2. The definition of the specifications which the answer to the problem had to satisfy, that is, of the “boundary conditions”; 3. The thinking through what is “right,” that is, the solution which will fully satisfy the specifications before attention is given to the compromises, adaptations, and concessions needed to make the decision acceptable; 4. The building into the decision of the action to carry it out; 5. The “feedback” which tests the
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