Author: Toru Nakagawa
Abstract:
As a basic scheme for Problem Solving, the 'Four-Box Scheme'
which advises to generalize the problem first into an abstract level and then
to concretize it back has been widely accepted. The contents of the Four Boxes
in this scheme, however, have not been well established in existing problem
solving methodologies, which include analogical thinking utilizing with
knowledge bases, Ichikawa's Equivalent Transformational Theory trying to
extract essence from hints, and TRIZ (Theory of Inventive Problem Solving).
TRIZ is typically faced with a confusing situation in its overall process due
to having a large variety of techniques. ...
This paper was originally published in “TRIZ Home Page in
Japan” in Apr 2006. Reposted in TRIZsite Journal with the permission of Dr.
Nakagawa, Editor, TRIZ Home Page in Japan. For original contents please refer to
the author’s site below.
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