[NAME]
ALL.dao.operator.logic

[TITLE]
逻辑运算符

[DESCRIPTION]


     
   1  !   (int|float) # Logic negation (NOT);
   2  not (int|float) # Logic negation (NOT);
   3  
   4  (int|float) &&  (int|float) # Logic AND;
   5  (int|float) and (int|float) # Logic AND;
   6  (int|float) ||  (int|float) # Logic OR;
   7  (int|float) or  (int|float) # Logic OR;