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| Mirrors > Home > ILE Home > Th. List > df-plusg | Unicode version | ||
| Description: Define group operation. (Contributed by NM, 4-Sep-2011.) (Revised by Mario Carneiro, 14-Aug-2015.) |
| Ref | Expression |
|---|---|
| df-plusg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cplusg 13480 |
. 2
| |
| 2 | c2 9357 |
. . 3
| |
| 3 | 2 | cslot 13400 |
. 2
|
| 4 | 1, 3 | wceq 1402 |
1
|
| Colors of variables: wff set class |
| This definition is used by: plusgndx 13512 plusgid 13513 plusgslid 13515 grpstrg 13529 grpbaseg 13530 grpplusgg 13531 |
| Copyright terms: Public domain | W3C validator |