X is Y

The assertion that “A is B” is often made in response to an ambiguous A, unconsciously ignoring what is not B, creating an ‘A’ and classifying with it as an A.

The definition of the word “system” in the brains of those who say “system development is as difficult as building a building” is narrowed down to only those things that are as difficult as building a building. https://twitter.com/nishio/status/1271134060123811840?s=21

• fake X is also a composition class with X and X’ (just kidding X), but X’ is not a subset of X, but a distorted subset of X, distorted by a false understanding of X.

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