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| Mirrors > Home > ILE Home > Th. List > mgpscag | GIF version | ||
| Description: The multiplication monoid has the same (if any) scalars as the original ring. (Contributed by Mario Carneiro, 12-Mar-2015.) (Revised by Mario Carneiro, 5-May-2015.) |
| Ref | Expression |
|---|---|
| mgpbas.1 | ⊢ 𝑀 = (mulGrp‘𝑅) |
| mgpsca.s | ⊢ 𝑆 = (Scalar‘𝑅) |
| Ref | Expression |
|---|---|
| mgpscag | ⊢ (𝑅 ∈ 𝑉 → 𝑆 = (Scalar‘𝑀)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mgpsca.s | . 2 ⊢ 𝑆 = (Scalar‘𝑅) | |
| 2 | mulrslid 13205 | . . . . 5 ⊢ (.r = Slot (.r‘ndx) ∧ (.r‘ndx) ∈ ℕ) | |
| 3 | 2 | slotex 13099 | . . . 4 ⊢ (𝑅 ∈ 𝑉 → (.r‘𝑅) ∈ V) |
| 4 | scaslid 13226 | . . . . 5 ⊢ (Scalar = Slot (Scalar‘ndx) ∧ (Scalar‘ndx) ∈ ℕ) | |
| 5 | scandxnplusgndx 13228 | . . . . 5 ⊢ (Scalar‘ndx) ≠ (+g‘ndx) | |
| 6 | plusgslid 13185 | . . . . . 6 ⊢ (+g = Slot (+g‘ndx) ∧ (+g‘ndx) ∈ ℕ) | |
| 7 | 6 | simpri 113 | . . . . 5 ⊢ (+g‘ndx) ∈ ℕ |
| 8 | 4, 5, 7 | setsslnid 13124 | . . . 4 ⊢ ((𝑅 ∈ 𝑉 ∧ (.r‘𝑅) ∈ V) → (Scalar‘𝑅) = (Scalar‘(𝑅 sSet 〈(+g‘ndx), (.r‘𝑅)〉))) |
| 9 | 3, 8 | mpdan 421 | . . 3 ⊢ (𝑅 ∈ 𝑉 → (Scalar‘𝑅) = (Scalar‘(𝑅 sSet 〈(+g‘ndx), (.r‘𝑅)〉))) |
| 10 | mgpbas.1 | . . . . 5 ⊢ 𝑀 = (mulGrp‘𝑅) | |
| 11 | eqid 2229 | . . . . 5 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 12 | 10, 11 | mgpvalg 13926 | . . . 4 ⊢ (𝑅 ∈ 𝑉 → 𝑀 = (𝑅 sSet 〈(+g‘ndx), (.r‘𝑅)〉)) |
| 13 | 12 | fveq2d 5639 | . . 3 ⊢ (𝑅 ∈ 𝑉 → (Scalar‘𝑀) = (Scalar‘(𝑅 sSet 〈(+g‘ndx), (.r‘𝑅)〉))) |
| 14 | 9, 13 | eqtr4d 2265 | . 2 ⊢ (𝑅 ∈ 𝑉 → (Scalar‘𝑅) = (Scalar‘𝑀)) |
| 15 | 1, 14 | eqtrid 2274 | 1 ⊢ (𝑅 ∈ 𝑉 → 𝑆 = (Scalar‘𝑀)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1395 ∈ wcel 2200 Vcvv 2800 〈cop 3670 ‘cfv 5324 (class class class)co 6013 ℕcn 9133 ndxcnx 13069 sSet csts 13070 Slot cslot 13071 +gcplusg 13150 .rcmulr 13151 Scalarcsca 13153 mulGrpcmgp 13923 |
| 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-cnex 8113 ax-resscn 8114 ax-1cn 8115 ax-1re 8116 ax-icn 8117 ax-addcl 8118 ax-addrcl 8119 ax-mulcl 8120 ax-addcom 8122 ax-addass 8124 ax-i2m1 8127 ax-0lt1 8128 ax-0id 8130 ax-rnegex 8131 ax-pre-ltirr 8134 ax-pre-lttrn 8136 ax-pre-ltadd 8138 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-sbc 3030 df-csb 3126 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-nul 3493 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-br 4087 df-opab 4149 df-mpt 4150 df-id 4388 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-iota 5284 df-fun 5326 df-fn 5327 df-fv 5332 df-ov 6016 df-oprab 6017 df-mpo 6018 df-pnf 8206 df-mnf 8207 df-ltxr 8209 df-inn 9134 df-2 9192 df-3 9193 df-4 9194 df-5 9195 df-ndx 13075 df-slot 13076 df-sets 13079 df-plusg 13163 df-mulr 13164 df-sca 13166 df-mgp 13924 |
| This theorem is referenced by: (None) |
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