(5.2.4.2) Group organization is not a hierarchical classification
Many people try to classify pieces hierarchically. Jiro Kawakita strongly disliked it. He said the classification is tyranny and is not democratic.
https://gyazo.com/732c6130210c305e057da1502119557d
Fig: Do not classify hierarchically
Understanding the characteristics of the classification is important to make use of the KJ method. I explain further.
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