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| Mirrors > Home > MPE Home > Th. List > mgpval | Structured version Visualization version GIF version | ||
| Description: Value of the multiplication group operation. (Contributed by Mario Carneiro, 21-Dec-2014.) |
| Ref | Expression |
|---|---|
| mgpval.1 | ⊢ 𝑀 = (mulGrp‘𝑅) |
| mgpval.2 | ⊢ · = (.r‘𝑅) |
| Ref | Expression |
|---|---|
| mgpval | ⊢ 𝑀 = (𝑅 sSet 〈(+g‘ndx), · 〉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mgpval.1 | . 2 ⊢ 𝑀 = (mulGrp‘𝑅) | |
| 2 | id 23 | . . . . 5 ⊢ (𝑟 = 𝑅 → 𝑟 = 𝑅) | |
| 3 | fveq2 6885 | . . . . . . 7 ⊢ (𝑟 = 𝑅 → (.r‘𝑟) = (.r‘𝑅)) | |
| 4 | mgpval.2 | . . . . . . 7 ⊢ · = (.r‘𝑅) | |
| 5 | 3, 4 | eqtr4di 2818 | . . . . . 6 ⊢ (𝑟 = 𝑅 → (.r‘𝑟) = · ) |
| 6 | 5 | opeq2d 4847 | . . . . 5 ⊢ (𝑟 = 𝑅 → 〈(+g‘ndx), (.r‘𝑟)〉 = 〈(+g‘ndx), · 〉) |
| 7 | 2, 6 | oveq12d 7434 | . . . 4 ⊢ (𝑟 = 𝑅 → (𝑟 sSet 〈(+g‘ndx), (.r‘𝑟)〉) = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
| 8 | df-mgp 20240 | . . . 4 ⊢ mulGrp = (𝑟 ∈ V ↦ (𝑟 sSet 〈(+g‘ndx), (.r‘𝑟)〉)) | |
| 9 | ovex 7449 | . . . 4 ⊢ (𝑅 sSet 〈(+g‘ndx), · 〉) ∈ V | |
| 10 | 7, 8, 9 | fvmpt 6993 | . . 3 ⊢ (𝑅 ∈ V → (mulGrp‘𝑅) = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
| 11 | fvprc 6877 | . . . 4 ⊢ (¬ 𝑅 ∈ V → (mulGrp‘𝑅) = ∅) | |
| 12 | reldmsets 17242 | . . . . 5 ⊢ Rel dom sSet | |
| 13 | 12 | ovprc1 7455 | . . . 4 ⊢ (¬ 𝑅 ∈ V → (𝑅 sSet 〈(+g‘ndx), · 〉) = ∅) |
| 14 | 11, 13 | eqtr4d 2803 | . . 3 ⊢ (¬ 𝑅 ∈ V → (mulGrp‘𝑅) = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
| 15 | 10, 14 | pm2.61i 184 | . 2 ⊢ (mulGrp‘𝑅) = (𝑅 sSet 〈(+g‘ndx), · 〉) |
| 16 | 1, 15 | eqtri 2788 | 1 ⊢ 𝑀 = (𝑅 sSet 〈(+g‘ndx), · 〉) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 = wceq 1570 ∈ wcel 2146 Vcvv 3457 ∅c0 4286 〈cop 4597 ‘cfv 6540 (class class class)co 7416 sSet csts 17240 ndxcnx 17270 +gcplusg 17327 .rcmulr 17328 mulGrpcmgp 20239 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pr 5406 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-iota 6496 df-fun 6542 df-fv 6548 df-ov 7419 df-oprab 7420 df-mpo 7421 df-sets 17241 df-mgp 20240 |
| This theorem is used by: mgpplusg 20243 mgpbas 20244 mgpsca 20245 mgptset 20246 mgpds 20248 mgpress 20249 |
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