(define (eliminateNSort l1 l2) (cond ((null? l1) #f) ((null? l2) (sortAsc l1)) (#t sortAsc(buildList l1 l2)) ) ) (define (buildList l1 l2) (cond ((null? l2) () ) (buildList(isInList l1 car(l2))) ) ) (define (isInList l1 x) (cond ((eq? (car l1) x) (cdr l1)) (#t (isInList l1 x)) ) ) (define (sortAsc l1) l1 )