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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 | Slot |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cplusg 12021 | . 2 | |
2 | c2 8771 | . . 3 | |
3 | 2 | cslot 11958 | . 2 Slot |
4 | 1, 3 | wceq 1331 | 1 Slot |
Colors of variables: wff set class |
This definition is referenced by: plusgndx 12052 plusgid 12053 plusgslid 12054 grpstrg 12066 grpbaseg 12067 grpplusgg 12068 |
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