從走迷宮的問題到魔術方塊的問題,說明
What is the problem?A problem is a gap between an initial situation and the desirable situation.
What is the problem solving?Problem solving is a single or multiple step transformation of existing situation to the desirable situation or to a situation closer to the desirable one than is the initial situation.
Semyon D. Savransky
How to solve the problem?Trial & Error, Inspiration, Science, Imitation of Nature, ect.