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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 22 | . . . . 5 ⊢ (𝑟 = 𝑅 → 𝑟 = 𝑅) | |
3 | fveq2 6774 | . . . . . . 7 ⊢ (𝑟 = 𝑅 → (.r‘𝑟) = (.r‘𝑅)) | |
4 | mgpval.2 | . . . . . . 7 ⊢ · = (.r‘𝑅) | |
5 | 3, 4 | eqtr4di 2796 | . . . . . 6 ⊢ (𝑟 = 𝑅 → (.r‘𝑟) = · ) |
6 | 5 | opeq2d 4811 | . . . . 5 ⊢ (𝑟 = 𝑅 → 〈(+g‘ndx), (.r‘𝑟)〉 = 〈(+g‘ndx), · 〉) |
7 | 2, 6 | oveq12d 7293 | . . . 4 ⊢ (𝑟 = 𝑅 → (𝑟 sSet 〈(+g‘ndx), (.r‘𝑟)〉) = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
8 | df-mgp 19721 | . . . 4 ⊢ mulGrp = (𝑟 ∈ V ↦ (𝑟 sSet 〈(+g‘ndx), (.r‘𝑟)〉)) | |
9 | ovex 7308 | . . . 4 ⊢ (𝑅 sSet 〈(+g‘ndx), · 〉) ∈ V | |
10 | 7, 8, 9 | fvmpt 6875 | . . 3 ⊢ (𝑅 ∈ V → (mulGrp‘𝑅) = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
11 | fvprc 6766 | . . . 4 ⊢ (¬ 𝑅 ∈ V → (mulGrp‘𝑅) = ∅) | |
12 | reldmsets 16866 | . . . . 5 ⊢ Rel dom sSet | |
13 | 12 | ovprc1 7314 | . . . 4 ⊢ (¬ 𝑅 ∈ V → (𝑅 sSet 〈(+g‘ndx), · 〉) = ∅) |
14 | 11, 13 | eqtr4d 2781 | . . 3 ⊢ (¬ 𝑅 ∈ V → (mulGrp‘𝑅) = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
15 | 10, 14 | pm2.61i 182 | . 2 ⊢ (mulGrp‘𝑅) = (𝑅 sSet 〈(+g‘ndx), · 〉) |
16 | 1, 15 | eqtri 2766 | 1 ⊢ 𝑀 = (𝑅 sSet 〈(+g‘ndx), · 〉) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 = wceq 1539 ∈ wcel 2106 Vcvv 3432 ∅c0 4256 〈cop 4567 ‘cfv 6433 (class class class)co 7275 sSet csts 16864 ndxcnx 16894 +gcplusg 16962 .rcmulr 16963 mulGrpcmgp 19720 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pr 5352 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ral 3069 df-rex 3070 df-rab 3073 df-v 3434 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-iota 6391 df-fun 6435 df-fv 6441 df-ov 7278 df-oprab 7279 df-mpo 7280 df-sets 16865 df-mgp 19721 |
This theorem is referenced by: mgpplusg 19724 mgplemOLD 19725 mgpbas 19726 mgpsca 19728 mgptset 19730 mgpds 19733 mgpress 19735 mgpressOLD 19736 |
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