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| Mirrors > Home > ILE Home > Th. List > mgpvalg | 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 |
|---|---|
| mgpvalg | ⊢ (𝑅 ∈ 𝑉 → 𝑀 = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mgpval.1 | . 2 ⊢ 𝑀 = (mulGrp‘𝑅) | |
| 2 | df-mgp 14325 | . . 3 ⊢ mulGrp = (𝑟 ∈ V ↦ (𝑟 sSet 〈(+g‘ndx), (.r‘𝑟)〉)) | |
| 3 | id 19 | . . . 4 ⊢ (𝑟 = 𝑅 → 𝑟 = 𝑅) | |
| 4 | fveq2 5698 | . . . . . 6 ⊢ (𝑟 = 𝑅 → (.r‘𝑟) = (.r‘𝑅)) | |
| 5 | mgpval.2 | . . . . . 6 ⊢ · = (.r‘𝑅) | |
| 6 | 4, 5 | eqtr4di 2289 | . . . . 5 ⊢ (𝑟 = 𝑅 → (.r‘𝑟) = · ) |
| 7 | 6 | opeq2d 3911 | . . . 4 ⊢ (𝑟 = 𝑅 → 〈(+g‘ndx), (.r‘𝑟)〉 = 〈(+g‘ndx), · 〉) |
| 8 | 3, 7 | oveq12d 6106 | . . 3 ⊢ (𝑟 = 𝑅 → (𝑟 sSet 〈(+g‘ndx), (.r‘𝑟)〉) = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
| 9 | elex 2833 | . . 3 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ∈ V) | |
| 10 | plusgslid 13525 | . . . . . 6 ⊢ (+g = Slot (+g‘ndx) ∧ (+g‘ndx) ∈ ℕ) | |
| 11 | 10 | simpri 113 | . . . . 5 ⊢ (+g‘ndx) ∈ ℕ |
| 12 | 11 | a1i 9 | . . . 4 ⊢ (𝑅 ∈ 𝑉 → (+g‘ndx) ∈ ℕ) |
| 13 | mulrslid 13545 | . . . . . 6 ⊢ (.r = Slot (.r‘ndx) ∧ (.r‘ndx) ∈ ℕ) | |
| 14 | 13 | slotex 13437 | . . . . 5 ⊢ (𝑅 ∈ 𝑉 → (.r‘𝑅) ∈ V) |
| 15 | 5, 14 | eqeltrid 2325 | . . . 4 ⊢ (𝑅 ∈ 𝑉 → · ∈ V) |
| 16 | setsex 13442 | . . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ (+g‘ndx) ∈ ℕ ∧ · ∈ V) → (𝑅 sSet 〈(+g‘ndx), · 〉) ∈ V) | |
| 17 | 12, 15, 16 | mpd3an23 1380 | . . 3 ⊢ (𝑅 ∈ 𝑉 → (𝑅 sSet 〈(+g‘ndx), · 〉) ∈ V) |
| 18 | 2, 8, 9, 17 | fvmptd3 5802 | . 2 ⊢ (𝑅 ∈ 𝑉 → (mulGrp‘𝑅) = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
| 19 | 1, 18 | eqtrid 2283 | 1 ⊢ (𝑅 ∈ 𝑉 → 𝑀 = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 = wceq 1402 ∈ wcel 2209 Vcvv 2821 〈cop 3712 ‘cfv 5380 (class class class)co 6088 ℕcn 9313 ndxcnx 13407 sSet csts 13408 Slot cslot 13409 +gcplusg 13490 .rcmulr 13491 mulGrpcmgp 14324 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-1re 8279 ax-addrcl 8282 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-iota 5340 df-fun 5382 df-fn 5383 df-fv 5388 df-ov 6091 df-oprab 6092 df-mpo 6093 df-inn 9314 df-2 9372 df-3 9373 df-ndx 13413 df-slot 13414 df-sets 13417 df-plusg 13503 df-mulr 13504 df-mgp 14325 |
| This theorem is used by: mgpplusgg 14328 mgpex 14330 mgpbasg 14331 mgpscag 14333 mgptsetg 14334 mgpdsg 14336 mgpress 14337 |
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