(*args)
return reduce(reduce_and, args)
Defines the three valued ``And`` behaviour for a 2-tuple of
     three valued logic values
Defines the three valued ``And`` behaviour for a 2-tuple of
     three valued logic values
Defines the three valued And behaviour for a 2 - tuple of three valued logic values
def And(*args):
    """Defines the three valued ``And`` behaviour for a 2-tuple of
     three valued logic values"""
    def reduce_and(cmp_intervala, cmp_intervalb):
        if cmp_intervala[0] is False or cmp_intervalb[0] is False:
            first = False
        elif cmp_intervala[0] is None or cmp_intervalb[0] is None:
            first = None
        else:
            first = True
        if cmp_intervala[1] is False or cmp_intervalb[1] is False:
            second = False
        elif cmp_intervala[1] is None or cmp_intervalb[1] is None:
            second = None
        else:
            second = True
        return (first, second)
    return reduce(reduce_and, args)
def And ( * args ) : def reduce_and ( cmp_intervala , cmp_intervalb ) : if cmp_intervala [ 0 ] is False or cmp_intervalb [ 0 ] is False : first = False elif cmp_intervala [ 0 ] is None or cmp_intervalb [ 0 ] is None : first = None else : first = True if cmp_intervala [ 1 ] is False or cmp_intervalb [ 1 ] is False : second = False elif cmp_intervala [ 1 ] is None or cmp_intervalb [ 1 ] is None : second = None else : second = True return ( first , second ) return reduce ( reduce_and , args )