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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | )abbrev category OMSAGG OrderedMultisetAggregate
++ Author: Michael Monagan; revised by Manuel Bronstein and Richard Jenks
++ Date Created: August 87 through August 88
++ Date Last Updated: April 1991
++ Description:
++ An ordered-multiset aggregate is a multiset built over an ordered set S
++ so that the relative sizes of its entries can be assessed.
++ These aggregates serve as models for priority queues.
OrderedMultisetAggregate(S) : Category == SIG where
S : OrderedSet
SIG ==> Join(MultisetAggregate S,PriorityQueueAggregate S) with
min : % -> S
++ min(u) returns the smallest entry in the multiset aggregate u.
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