| #/\/2 | P and 
Q hold. | 
| #</2 | The 
arithmetic expression X is less than Y. | 
| #<==/2 | Q 
implies P. | 
| #<==>/2 | P 
and Q are equivalent. | 
| #=/2 | The 
arithmetic expression X equals Y. | 
| #=</2 | The 
arithmetic expression X is less than or equal to Y. | 
| #==>/2 | P 
implies Q. | 
| #>/2 | Same 
as Y #<X. | 
| #>=/2 | Same 
as Y #=<X. | 
| #\/1 | Q does 
_not_ hold. | 
| #\/2 | Either P 
holds or Q holds, but not both. | 
| #\//2 | P or Q 
holds. | 
| #\=/2 | The 
arithmetic expressions X and Y evaluate to distinct integers. | 
| all_different/1 | Like 
all_distinct/1, but with weaker propagation. | 
| all_distinct/1 | True 
iff Vars are pairwise distinct. | 
| automaton/3 | Describes 
a list of finite domain variables with a finite automaton. | 
| automaton/8 | Describes 
a list of finite domain variables with a finite automaton. | 
| chain/2 | Zs 
form a chain with respect to Relation. | 
| circuit/1 | True 
iff the list Vs of finite domain variables induces a Hamiltonian 
circuit. | 
| cumulative/1 | Equivalent 
to cumulative(Tasks, [limit(1)]). | 
| cumulative/2 | Schedule 
with a limited resource. | 
| disjoint2/1 | True 
iff Rectangles are not overlapping. | 
| element/3 | The 
N-th element of the list of finite domain variables Vs is V. | 
| empty_fdset/1 | Set 
is the empty FD set. | 
| empty_interval/2 | Min..Max 
is an empty interval. | 
| fd_degree/2 | Degree 
is the number of constraints currently attached to Var. | 
| fd_dom/2 | Dom 
is the current domain (see in/2) of Var. | 
| fd_inf/2 | Inf 
is the infimum of the current domain of Var. | 
| fd_set/2 | Set 
is the FD set representation of the current domain of Var. | 
| fd_size/2 | Reflect 
the current size of a domain. | 
| fd_sup/2 | Sup 
is the supremum of the current domain of Var. | 
| fd_var/1 | True 
iff Var is a CLP(FD) variable. | 
| fdset_add_element/3 | Set2 
is the same FD set as Set1, but with the integer Elt added. | 
| fdset_complement/2 | The 
FD set Complement is the complement of the FD set Set. | 
| fdset_del_element/3 | Set2 
is the same FD set as Set1, but with the integer Elt removed. | 
| fdset_disjoint/2 | The 
FD sets Set1 and Set2 have no elements in common. | 
| fdset_eq/2 | True 
if the FD sets Set1 and Set2 are equal, i. | 
| fdset_intersect/2 | The 
FD sets Set1 and Set2 have at least one element in common. | 
| fdset_intersection/3 | Intersection 
is an FD set (possibly empty) of all elements that the FD sets Set1 and 
Set2 have in common. | 
| fdset_interval/3 | Interval 
is a non-empty FD set consisting of the single interval Min..Max. | 
| fdset_max/2 | Max 
is the upper bound (supremum) of the non-empty FD set Set. | 
| fdset_member/2 | The 
integer Elt is a member of the FD set Set. | 
| fdset_min/2 | Min 
is the lower bound (infimum) of the non-empty FD set Set. | 
| fdset_parts/4 | Set 
is a non-empty FD set representing the domain Min..Max \/Rest, where Min..Max is a non-empty interval (see fdset_interval/3) and 
Rest is another FD set (possibly empty). | 
| fdset_singleton/2 | Set 
is the FD set containing the single integer Elt. | 
| fdset_size/2 | Size 
is the number of elements of the FD set Set, or the atom *sup* if Set is 
infinite. | 
| fdset_subset/2 | The 
FD set Set1 is a (non-strict) subset of Set2, i. | 
| fdset_subtract/3 | The 
FD set Difference is Set1 with all elements of Set2 removed, i. | 
| fdset_to_list/2 | List 
is a list containing all elements of the finite FD set Set, in ascending 
order. | 
| fdset_to_range/2 | Domain 
is a domain equivalent to the FD set Set. | 
| fdset_union/2 | The 
FD set Union is the n-ary union of all FD sets in the list Sets. | 
| fdset_union/3 | The 
FD set Union is the union of FD sets Set1 and Set2. | 
| global_cardinality/2 | Global 
Cardinality constraint. | 
| global_cardinality/3 | Global 
Cardinality constraint. | 
| in/2 | Var is 
an element of Domain. | 
| in_set/2 | Var 
is an element of the FD set Set. | 
| indomain/1 | Bind 
Var to all feasible values of its domain on backtracking. | 
| ins/2 | The 
variables in the list Vars are elements of Domain. | 
| is_fdset/1 | Set 
is currently bound to a valid FD set. | 
| label/1 | Equivalent 
to labeling([], Vars). | 
| labeling/2 | Assign 
a value to each variable in Vars. | 
| lex_chain/1 | Lists 
are lexicographically non-decreasing. | 
| list_to_fdset/2 | Set 
is an FD set containing all elements of List, which must be a list of 
integers. | 
| range_to_fdset/2 | Set 
is an FD set equivalent to the domain Domain. | 
| scalar_product/4 | True 
iff the scalar product of Cs and Vs is in relation Rel to Expr. | 
| serialized/2 | Describes 
a set of non-overlapping tasks. | 
| sum/3 | The 
sum of elements of the list Vars is in relation Rel to Expr. | 
| transpose/2 | Transpose 
a list of lists of the same length. | 
| tuples_in/2 | True 
iff all Tuples are elements of Relation. | 
| zcompare/3 | Analogous 
to compare/3, with finite domain variables A and B. |