signed-multiset: Multisets with negative membership.

[ bsd3, data-structures, library ] [ Propose Tags ]

Multisets (or bags) are sets in which elements may occur more than once. The number of times an element occurs in a multiset is called its multiplicity.

This package provides an efficient implementation of so-called signed multisets, which generalise multisets by allowing for negative membership. That is, elements in a signed multiset can have negative multiplicities.

See also: Wayne D. Blizard. Negative membership. Notre Dame Journal of Formal Logic, 31(3):346--368, 1990.

Versions 0.1, 0.2,, 0.3,, 0.4
Dependencies base (==4.*), containers (>=0.4) [details]
License BSD-3-Clause
Copyright (c) 2012 Stefan Holdermans
Author Stefan Holdermans
Category Data Structures
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Uploaded by StefanHoldermans at Tue Apr 17 21:14:37 UTC 2012
Distributions NixOS:0.4
Downloads 2040 total (20 in the last 30 days)
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