The lower and upper approximations in a fuzzy group (Q1369177)
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scientific article; zbMATH DE number 1071949
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The lower and upper approximations in a fuzzy group |
scientific article; zbMATH DE number 1071949 |
Statements
The lower and upper approximations in a fuzzy group (English)
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12 January 1998
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rough subgroups
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upper approximations
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\(t\)-level subsets
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fuzzy normal subgroups
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