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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 6916 | . . . . . . 7 ⊢ (𝑟 = 𝑅 → (.r‘𝑟) = (.r‘𝑅)) | |
| 4 | mgpval.2 | . . . . . . 7 ⊢ · = (.r‘𝑅) | |
| 5 | 3, 4 | eqtr4di 2816 | . . . . . 6 ⊢ (𝑟 = 𝑅 → (.r‘𝑟) = · ) |
| 6 | 5 | opeq2d 4852 | . . . . 5 ⊢ (𝑟 = 𝑅 → 〈(+g‘ndx), (.r‘𝑟)〉 = 〈(+g‘ndx), · 〉) |
| 7 | 2, 6 | oveq12d 7469 | . . . 4 ⊢ (𝑟 = 𝑅 → (𝑟 sSet 〈(+g‘ndx), (.r‘𝑟)〉) = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
| 8 | df-mgp 20412 | . . . 4 ⊢ mulGrp = (𝑟 ∈ V ↦ (𝑟 sSet 〈(+g‘ndx), (.r‘𝑟)〉)) | |
| 9 | ovex 7484 | . . . 4 ⊢ (𝑅 sSet 〈(+g‘ndx), · 〉) ∈ V | |
| 10 | 7, 8, 9 | fvmpt 7024 | . . 3 ⊢ (𝑅 ∈ V → (mulGrp‘𝑅) = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
| 11 | fvprc 6908 | . . . 4 ⊢ (¬ 𝑅 ∈ V → (mulGrp‘𝑅) = ∅) | |
| 12 | reldmsets 17387 | . . . . 5 ⊢ Rel dom sSet | |
| 13 | 12 | ovprc1 7490 | . . . 4 ⊢ (¬ 𝑅 ∈ V → (𝑅 sSet 〈(+g‘ndx), · 〉) = ∅) |
| 14 | 11, 13 | eqtr4d 2801 | . . 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 2786 | 1 ⊢ 𝑀 = (𝑅 sSet 〈(+g‘ndx), · 〉) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 = wceq 1570 ∈ wcel 2147 Vcvv 3454 ∅c0 4281 〈cop 4840 ‘cfv 6566 (class class class)co 7451 sSet csts 17385 ndxcnx 17415 +gcplusg 17472 .rcmulr 17473 mulGrpcmgp 20411 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pr 5398 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-iota 6520 df-fun 6568 df-fv 6574 df-ov 7454 df-oprab 7455 df-mpo 7456 df-sets 17386 df-mgp 20412 |
| This theorem is used by: mgpplusg 20415 mgpbas 20416 mgpsca 20417 mgptset 20418 mgpds 20420 mgpress 20421 |
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