concrete and abstract
https://gyazo.com/3e81da57719543b49637eff7018fcdf3
concrete and abstract -The mechanism of intelligence that makes the world look different. I struggled with how to convey the concept of abstraction, and this book probably struggled with how to teach abstraction, too! ---
This page is auto-translated from /nishio/具体と抽象. 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.