Iff the subject is a list of lists and the concatenation of all those lists
is the object, then this is true.
eg ( (1 2) (3 4) ) list:append (1 2 3 4).
The object can be calculated as a function of the subject.
Iff the object is a list and the subject is in that list, then this is true.
Iff the suject is a list and the obbject is the last thing that list, then this is true.
The object can be calculated as a function of the list.
Iff the subject is a list and the obbject is in that list, then this is true.