adjoin
assoc
count
delete
delete-duplicates
find
intersection
member
mismatch
nintersection
nset-difference
nset-exclusive-or
nsublis
nsubst
nsubstitute
nunion
position
rassoc
remove
remove-duplicates
search
set-difference
set-exclusive-or
sublis
subsetp
subst
substitute
tree-equal
union