X is Y and X is not whole Y - NISHIO Hirokazu's Scrapbox (Auto-translated from Japanese)

X is Y and X is not whole Y

https://gyazo.com/e0a080632acb1999e992b817c3b6e923

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This page is auto-translated from /nishio/X is Y and X is not whole Y. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I'm very happy to spread my thought to non-Japanese readers.