Inclusion-exclusion: Which terms cancel? (Q1568652)
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scientific article; zbMATH DE number 1462962
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Inclusion-exclusion: Which terms cancel? |
scientific article; zbMATH DE number 1462962 |
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Inclusion-exclusion: Which terms cancel? (English)
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22 November 2000
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The author continues his study of the inclusion-exclusion principle (see his paper [Arch. Math. 72, No. 4, 298-303 (1999; Zbl 0934.05011)]), considering cancellations. The terms are regarded as nodes of a rooted tree (the Hasse diagram for the corresponding partial order), and each set of cancelling terms is identified with a subtree of this tree.
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inclusion-exclusion principle
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rooted tree
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partial order
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