The symbol of the same or is ⊙ (the point in the circle), and its algorithm is a⊙b=ab+a'b'(a' is not A, B' is not B).
True identical or false result is false, false identical or true result is false, true identical or true result is true, false identical or false result is true. That is, if the two values are the same, the result of XOR is true. On the contrary, it is false. -referred to as the same truth, different false. That is, the same or: the same is one and the difference is zero.
Extended data:
Same or formula:
A⊙b=ab+a'b'(a' is not a, b' is not b);
There are only commutative laws and associative laws.
a⊙b = b⊙a; (a⊙b)⊙c = a⊙(b⊙c);
The XOR of multiple inputs can be understood as:
a⊙ 1 = a; a⊙0⊙0 = a;
That is, the XOR of A with any 1 even 0, and the result is A itself.
For example:
1⊙ 1⊙ 0⊙ 1⊙ 0⊙ 0
According to the exchange law, all 1 in the input can be put together to the right to get:
0 ⊙ 0 ⊙ 0 ⊙ 1 ⊙ 1, and then according to the association law.
0⊙ 0⊙ 0 ⊙ (1 ⊙1⊙), eliminate all1and get 0 ⊙ 0 ⊙ 0.
Baidu encyclopedia -Tongor
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