The \(\vartheta \)-lower and \(T\)-upper fuzzy rough approximation operators on a semigroup (Q454848)
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scientific article; zbMATH DE number 6092487
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The \(\vartheta \)-lower and \(T\)-upper fuzzy rough approximation operators on a semigroup |
scientific article; zbMATH DE number 6092487 |
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The \(\vartheta \)-lower and \(T\)-upper fuzzy rough approximation operators on a semigroup (English)
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10 October 2012
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\(\vartheta \)-lower fuzzy rough approximation operator
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\(T\)-upper fuzzy rough approximation operator
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\(TL\)-fuzzy semigroup
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\((\vartheta
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T)\)-fuzzy rough semigroup
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\(L\)-fuzzy relation
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\(T\)-congruence \(L\)-fuzzy relation
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