- Documentation
- Reference manual
- The SWI-Prolog library
- library(ordsets): Ordered set manipulation
- is_ordset/1
- ord_empty/1
- ord_seteq/2
- list_to_ord_set/2
- ord_intersect/2
- ord_disjoint/2
- ord_intersect/3
- ord_intersection/2
- ord_intersection/3
- ord_intersection/4
- ord_add_element/3
- ord_del_element/3
- ord_selectchk/3
- ord_memberchk/2
- ord_subset/2
- ord_subtract/3
- ord_union/2
- ord_union/3
- ord_union/4
- ord_symdiff/3
- library(ordsets): Ordered set manipulation
- The SWI-Prolog library
- Packages
- Reference manual
ord_subtract(Set2, Set1, Difference)
.
- See also
- ord_intersection/3 and ord_subtract/3.