No label defined (Q3971213)
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scientific article; zbMATH DE number 8690
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | No label defined |
scientific article; zbMATH DE number 8690 |
Statements
25 June 1992
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monoid of subvarieties
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free semigroup of powers of a variety
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products of varieties
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BCK-algebras
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