Logical memory
Word logical memory, that is, "word logical memory", is a memory with words, concepts and principles as its content. This kind of memory keeps not concrete images, but definitions, theorems, formulas, laws and so on. Reflect the essence and laws of objective things.
For example, our mastery of Pythagorean theorems and formulas in mathematics. Logical memory is unique to human beings, and it is a highly understandable and complicated memory form, which plays an important role in our study of rational knowledge.
It means that words can't be reached, that is to say, "words" refer to words and languages; "Finger" refers to meaning and will. Explain the relationship between thinking and speech. Dong Zhongshu's Spring and Autumn Bamboo Forest in the Western Han Dynasty: "What you can't say lies in what you mean" and "Don't let it be said when you see what you mean. If you don't let go, then you will get used to it. "
It means that thinking is quite complicated and its content can't be fully expressed in words. Its profound meaning depends on people to understand. If you understand the spiritual essence of thinking content ("see its meaning"), you don't have to stick to the language of expressing it ("don't let go"); Only by not sticking to language and writing can we follow certain laws ("the right way") and do things well.