S9 LIB  (false object ...)                   ==>  #f
        (id object)                          ==>  object
        (true object ...)                    ==>  #t

        (load-from-library "id.scm")

ID returns the object passed to it.

FALSE returns always #F and TRUE returns always #T, no matter which
values are passed to them.

(true)          ==>  #t
(false 1 2 3)   ==>  #f
(id 'whatever)  ==>  whatever
