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Appendix B: The Contradiction Matrix
How To Invent (Almost) Anything > Appendix B: The Contradiction Matrix < Prev Chapter  Next Chapter >
1. Critical parametersUse the table of 39 Parameters (in Appendix A) to identify critical parameters of your problem. 2. ContradictionsIdentify contradictions between these critical parameters, which is where one parameter causes problems with another parameter. 3. Find numbers of resolution principlesUse the Contradictions Matrix to find the numbers for the Principles (which are in Appendix C) that can be used to resolve the contradictions. 4. Investigate the resolution principlesUse the numbers from the Contradiction Matrix to look up resolution in the list of 40 Principles (in Appendix C). Use the principles as a guide and stimulation to find solutions to the problem. For more details, consult Chapter 5, Basic TRIZ.
Contradiction MatrixNormally, the Contradiction Matrix is a 39x39 grid. This can be rather awkward to use, so the table is reproduced here as a series of subtables. Just find the table with the right contradiction number for row (feature to change) and column (undesired result). Here is a shortcut table to help you get to the part of the contradiction table that you need.
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