File XLOG 1.5 sets

1 Predicate list_to_set/2

2 Predicate subtract/3

3 Predicate intersection/3

4 Predicate union/3

5 Predicate symdiff/3

6 Predicate subset/2

7 Predicate disjoint/2

8 Predicate equal/2

9 Legend

1 Predicate list_to_set/2

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