SWI-Prolog -- ord_intersection/3

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Predicate ord_intersection/3

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Availability::- use_module(library(ordsets)).(can be autoloaded)

Source

[det]ord_intersection(+Set1, +Set2, -Intersection)

Intersection holds the common elements of Set1 and Set2. Uses ord_disjoint/2 if Intersection is bound to [] on entry.