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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 14065 | . . 3 ⊢ mulGrp = (𝑟 ∈ V ↦ (𝑟 sSet 〈(+g‘ndx), (.r‘𝑟)〉)) | |
| 3 | id 19 | . . . 4 ⊢ (𝑟 = 𝑅 → 𝑟 = 𝑅) | |
| 4 | fveq2 5670 | . . . . . 6 ⊢ (𝑟 = 𝑅 → (.r‘𝑟) = (.r‘𝑅)) | |
| 5 | mgpval.2 | . . . . . 6 ⊢ · = (.r‘𝑅) | |
| 6 | 4, 5 | eqtr4di 2283 | . . . . 5 ⊢ (𝑟 = 𝑅 → (.r‘𝑟) = · ) |
| 7 | 6 | opeq2d 3890 | . . . 4 ⊢ (𝑟 = 𝑅 → 〈(+g‘ndx), (.r‘𝑟)〉 = 〈(+g‘ndx), · 〉) |
| 8 | 3, 7 | oveq12d 6068 | . . 3 ⊢ (𝑟 = 𝑅 → (𝑟 sSet 〈(+g‘ndx), (.r‘𝑟)〉) = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
| 9 | elex 2825 | . . 3 ⊢ (𝑅 ∈ 𝑉 → 𝑅 ∈ V) | |
| 10 | plusgslid 13325 | . . . . . 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 13345 | . . . . . 6 ⊢ (.r = Slot (.r‘ndx) ∧ (.r‘ndx) ∈ ℕ) | |
| 14 | 13 | slotex 13239 | . . . . 5 ⊢ (𝑅 ∈ 𝑉 → (.r‘𝑅) ∈ V) |
| 15 | 5, 14 | eqeltrid 2319 | . . . 4 ⊢ (𝑅 ∈ 𝑉 → · ∈ V) |
| 16 | setsex 13244 | . . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ (+g‘ndx) ∈ ℕ ∧ · ∈ V) → (𝑅 sSet 〈(+g‘ndx), · 〉) ∈ V) | |
| 17 | 12, 15, 16 | mpd3an23 1376 | . . 3 ⊢ (𝑅 ∈ 𝑉 → (𝑅 sSet 〈(+g‘ndx), · 〉) ∈ V) |
| 18 | 2, 8, 9, 17 | fvmptd3 5771 | . 2 ⊢ (𝑅 ∈ 𝑉 → (mulGrp‘𝑅) = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
| 19 | 1, 18 | eqtrid 2277 | 1 ⊢ (𝑅 ∈ 𝑉 → 𝑀 = (𝑅 sSet 〈(+g‘ndx), · 〉)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2203 Vcvv 2813 〈cop 3692 ‘cfv 5352 (class class class)co 6050 ℕcn 9237 ndxcnx 13209 sSet csts 13210 Slot cslot 13211 +gcplusg 13290 .rcmulr 13291 mulGrpcmgp 14064 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2205 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 ax-un 4554 ax-setind 4659 ax-cnex 8218 ax-resscn 8219 ax-1re 8221 ax-addrcl 8224 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-ral 2525 df-rex 2526 df-rab 2529 df-v 2815 df-sbc 3043 df-csb 3139 df-dif 3213 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-int 3950 df-br 4110 df-opab 4172 df-mpt 4173 df-id 4414 df-xp 4755 df-rel 4756 df-cnv 4757 df-co 4758 df-dm 4759 df-rn 4760 df-res 4761 df-iota 5312 df-fun 5354 df-fn 5355 df-fv 5360 df-ov 6053 df-oprab 6054 df-mpo 6055 df-inn 9238 df-2 9296 df-3 9297 df-ndx 13215 df-slot 13216 df-sets 13219 df-plusg 13303 df-mulr 13304 df-mgp 14065 |
| This theorem is referenced by: mgpplusgg 14068 mgpex 14069 mgpbasg 14070 mgpscag 14071 mgptsetg 14072 mgpdsg 14074 mgpress 14075 |
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