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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 2209 | . . 3 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
| 2 | eqid 2209 | . . 3 ⊢ (+g‘𝑊) = (+g‘𝑊) | |
| 3 | eqid 2209 | . . 3 ⊢ ( ·𝑠 ‘𝑊) = ( ·𝑠 ‘𝑊) | |
| 4 | lmodring.1 | . . 3 ⊢ 𝐹 = (Scalar‘𝑊) | |
| 5 | eqid 2209 | . . 3 ⊢ (Base‘𝐹) = (Base‘𝐹) | |
| 6 | eqid 2209 | . . 3 ⊢ (+g‘𝐹) = (+g‘𝐹) | |
| 7 | eqid 2209 | . . 3 ⊢ (.r‘𝐹) = (.r‘𝐹) | |
| 8 | eqid 2209 | . . 3 ⊢ (1r‘𝐹) = (1r‘𝐹) | |
| 9 | 1, 2, 3, 4, 5, 6, 7, 8 | islmod 14220 | . 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 1018 | 1 ⊢ (𝑊 ∈ LMod → 𝐹 ∈ Ring) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 983 = wceq 1375 ∈ wcel 2180 ∀wral 2488 ‘cfv 5294 (class class class)co 5974 Basecbs 12998 +gcplusg 13076 .rcmulr 13077 Scalarcsca 13079 ·𝑠 cvsca 13080 Grpcgrp 13499 1rcur 13888 Ringcrg 13925 LModclmod 14216 |
| 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 713 ax-5 1473 ax-7 1474 ax-gen 1475 ax-ie1 1519 ax-ie2 1520 ax-8 1530 ax-10 1531 ax-11 1532 ax-i12 1533 ax-bndl 1535 ax-4 1536 ax-17 1552 ax-i9 1556 ax-ial 1560 ax-i5r 1561 ax-13 2182 ax-14 2183 ax-ext 2191 ax-sep 4181 ax-pow 4237 ax-pr 4272 ax-un 4501 ax-cnex 8058 ax-resscn 8059 ax-1re 8061 ax-addrcl 8064 |
| This theorem depends on definitions: df-bi 117 df-3an 985 df-tru 1378 df-nf 1487 df-sb 1789 df-eu 2060 df-mo 2061 df-clab 2196 df-cleq 2202 df-clel 2205 df-nfc 2341 df-ral 2493 df-rex 2494 df-rab 2497 df-v 2781 df-sbc 3009 df-un 3181 df-in 3183 df-ss 3190 df-pw 3631 df-sn 3652 df-pr 3653 df-op 3655 df-uni 3868 df-int 3903 df-br 4063 df-opab 4125 df-mpt 4126 df-id 4361 df-xp 4702 df-rel 4703 df-cnv 4704 df-co 4705 df-dm 4706 df-rn 4707 df-res 4708 df-iota 5254 df-fun 5296 df-fn 5297 df-fv 5302 df-ov 5977 df-inn 9079 df-2 9137 df-3 9138 df-4 9139 df-5 9140 df-6 9141 df-ndx 13001 df-slot 13002 df-base 13004 df-plusg 13089 df-mulr 13090 df-sca 13092 df-vsca 13093 df-lmod 14218 |
| This theorem is referenced by: lmodfgrp 14225 lmodmcl 14229 lmod0cl 14243 lmod1cl 14244 lmod0vs 14250 lmodvs0 14251 lmodvsmmulgdi 14252 lmodvsneg 14260 lmodsubvs 14272 lmodsubdi 14273 lmodsubdir 14274 lssvnegcl 14305 islss3 14308 |
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