Pronunciation of special symbols &;

First, the pronunciation of special symbols &; ：

Pronunciation of Chinese characters: "z'da"

Second,&(logical language):

& It is a logical language, which logically means that both are indispensable, and it can also mean the meaning of one person and another, which is synonymous with and. Such as a&; B stands for a and b, a and b, a× b.

Second, the introduction:

Characters-The earliest history can be traced back to 1 century, and the earliest is the linking of Latin et (meaning and). The earliest &; Much like the combination of E and T, with the development of printing technology, this symbol gradually formed its own style, out of the original shadow. In this character, you can still see the shadow of e, but t has disappeared.

In the picture is&; The evolution of characters, in which 1 is more like its original hyphenation, 2 and 3 developed in the 4th century, and 4 to 6 developed in the 9th century. 18th century,&; It has evolved into a very decorative calligraphy. Modernity & Basic Reservation & In the ninth century. Italic &; It is a late linking form of E and T, and it is also found in modern fonts. They are the product of curve fonts in the Renaissance, and they look more beautiful. In overloading & writing in circles, all&; Both of them are two strokes: starting from the top, turning counterclockwise into a big arc, moving upward, and closing the pen into a clockwise arc; Start from the same position, write a stroke directly, and add a decorative ending (as shown in the picture).

In addition, in the18th century, people often &; Followed by a lowercase c, and so on (and so on, all in Latin, and so on. Wait. ). Widely used in European languages).

1837 added the word "and" to the dictionary for the first time, which is the linking pronunciation of "and itself and". & included in any Roman font and often used in modern languages.

At present, it is widely used, in text messages and tweets,&; Used to replace the word "And", which means "and" in programming languages (such as MySQL, C and C++, XML, SGML and Basic).

For example, Zhang San in Song Dynasty &; Li Si means that this song was sung by Zhang San and Li Si.

This symbol is also fully used in mathematical logic.