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| Mirrors > Home > MPE Home > Th. List > Mathboxes > csem | Structured version Visualization version GIF version | ||
| Description: Extend class notation with the class of all semigroups. | 
| Ref | Expression | 
|---|---|
| csem | class SemiGrp | 
| Colors of variables: wff setvar class | 
| Copyright terms: Public domain | W3C validator |