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| Mirrors > Home > ILE Home > Th. List > lmodring | GIF version | ||
| Description: The scalar component of a left module is a ring. (Contributed by NM, 8-Dec-2013.) (Revised by Mario Carneiro, 19-Jun-2014.) |
| Ref | Expression |
|---|---|
| lmodring.1 | ⊢ 𝐹 = (Scalar‘𝑊) |
| Ref | Expression |
|---|---|
| lmodring | ⊢ (𝑊 ∈ LMod → 𝐹 ∈ Ring) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2229 | . . 3 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
| 2 | eqid 2229 | . . 3 ⊢ (+g‘𝑊) = (+g‘𝑊) | |
| 3 | eqid 2229 | . . 3 ⊢ ( ·𝑠 ‘𝑊) = ( ·𝑠 ‘𝑊) | |
| 4 | lmodring.1 | . . 3 ⊢ 𝐹 = (Scalar‘𝑊) | |
| 5 | eqid 2229 | . . 3 ⊢ (Base‘𝐹) = (Base‘𝐹) | |
| 6 | eqid 2229 | . . 3 ⊢ (+g‘𝐹) = (+g‘𝐹) | |
| 7 | eqid 2229 | . . 3 ⊢ (.r‘𝐹) = (.r‘𝐹) | |
| 8 | eqid 2229 | . . 3 ⊢ (1r‘𝐹) = (1r‘𝐹) | |
| 9 | 1, 2, 3, 4, 5, 6, 7, 8 | islmod 14298 | . 2 ⊢ (𝑊 ∈ LMod ↔ (𝑊 ∈ Grp ∧ 𝐹 ∈ Ring ∧ ∀𝑞 ∈ (Base‘𝐹)∀𝑟 ∈ (Base‘𝐹)∀𝑥 ∈ (Base‘𝑊)∀𝑤 ∈ (Base‘𝑊)(((𝑟( ·𝑠 ‘𝑊)𝑤) ∈ (Base‘𝑊) ∧ (𝑟( ·𝑠 ‘𝑊)(𝑤(+g‘𝑊)𝑥)) = ((𝑟( ·𝑠 ‘𝑊)𝑤)(+g‘𝑊)(𝑟( ·𝑠 ‘𝑊)𝑥)) ∧ ((𝑞(+g‘𝐹)𝑟)( ·𝑠 ‘𝑊)𝑤) = ((𝑞( ·𝑠 ‘𝑊)𝑤)(+g‘𝑊)(𝑟( ·𝑠 ‘𝑊)𝑤))) ∧ (((𝑞(.r‘𝐹)𝑟)( ·𝑠 ‘𝑊)𝑤) = (𝑞( ·𝑠 ‘𝑊)(𝑟( ·𝑠 ‘𝑊)𝑤)) ∧ ((1r‘𝐹)( ·𝑠 ‘𝑊)𝑤) = 𝑤)))) |
| 10 | 9 | simp2bi 1037 | 1 ⊢ (𝑊 ∈ LMod → 𝐹 ∈ Ring) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 1002 = wceq 1395 ∈ wcel 2200 ∀wral 2508 ‘cfv 5324 (class class class)co 6013 Basecbs 13075 +gcplusg 13153 .rcmulr 13154 Scalarcsca 13156 ·𝑠 cvsca 13157 Grpcgrp 13576 1rcur 13965 Ringcrg 14002 LModclmod 14294 |
| 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-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-cnex 8116 ax-resscn 8117 ax-1re 8119 ax-addrcl 8122 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 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-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-sbc 3030 df-un 3202 df-in 3204 df-ss 3211 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-inn 9137 df-2 9195 df-3 9196 df-4 9197 df-5 9198 df-6 9199 df-ndx 13078 df-slot 13079 df-base 13081 df-plusg 13166 df-mulr 13167 df-sca 13169 df-vsca 13170 df-lmod 14296 |
| This theorem is referenced by: lmodfgrp 14303 lmodmcl 14307 lmod0cl 14321 lmod1cl 14322 lmod0vs 14328 lmodvs0 14329 lmodvsmmulgdi 14330 lmodvsneg 14338 lmodsubvs 14350 lmodsubdi 14351 lmodsubdir 14352 lssvnegcl 14383 islss3 14386 |
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