program
{
- boolean t=TRUE,f=FALSE;
+ boolean t = TRUE, f = FALSE, m = MAYBE;
print("TRUE and FALSE = ", bool_str(t and f) );
print("TRUE or FALSE = ", bool_str(t or f) );
+ print("TRUE and MAYBE = ", bool_str(t and m) );
+ print("FALSE or MAYBE = ", bool_str(t or m) );
print("not FALSE = ", bool_str(not f) );
print("not TRUE = ", bool_str(not t) );
+ print("not MAYBE = ", bool_str(not m) );
}