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Mirrors > Home > MPE Home > Th. List > mgpbas | Structured version Visualization version GIF version |
Description: Base set of the multiplication group. (Contributed by Mario Carneiro, 21-Dec-2014.) (Revised by Mario Carneiro, 5-Oct-2015.) |
Ref | Expression |
---|---|
mgpbas.1 | ⊢ 𝑀 = (mulGrp‘𝑅) |
mgpbas.2 | ⊢ 𝐵 = (Base‘𝑅) |
Ref | Expression |
---|---|
mgpbas | ⊢ 𝐵 = (Base‘𝑀) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mgpbas.2 | . 2 ⊢ 𝐵 = (Base‘𝑅) | |
2 | mgpbas.1 | . . . 4 ⊢ 𝑀 = (mulGrp‘𝑅) | |
3 | eqid 2739 | . . . 4 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
4 | 2, 3 | mgpval 19732 | . . 3 ⊢ 𝑀 = (𝑅 sSet 〈(+g‘ndx), (.r‘𝑅)〉) |
5 | baseid 16924 | . . 3 ⊢ Base = Slot (Base‘ndx) | |
6 | basendxnplusgndx 17001 | . . 3 ⊢ (Base‘ndx) ≠ (+g‘ndx) | |
7 | 4, 5, 6 | setsplusg 18963 | . 2 ⊢ (Base‘𝑅) = (Base‘𝑀) |
8 | 1, 7 | eqtri 2767 | 1 ⊢ 𝐵 = (Base‘𝑀) |
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