CodePudding user response:

Xor (exclusive or

CodePudding user response:

Or should be, but this is not the standard digital logic symbol, commonly used in digital logic? And, + or, on the line said not, said the radius xor
He is the mathematical logic/set theory, logic, which is used to discrete mathematics symbols, said ^ and, V or, ┐ said not, V on A horizontal said xor (if you don't s on both sides of A cross, is to write down A for any one), the symbol design well actually, also do not know to have the international standard/gb, anyway, so most of the book all use the