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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 2193 | . . 3 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
2 | eqid 2193 | . . 3 ⊢ (+g‘𝑊) = (+g‘𝑊) | |
3 | eqid 2193 | . . 3 ⊢ ( ·𝑠 ‘𝑊) = ( ·𝑠 ‘𝑊) | |
4 | lmodring.1 | . . 3 ⊢ 𝐹 = (Scalar‘𝑊) | |
5 | eqid 2193 | . . 3 ⊢ (Base‘𝐹) = (Base‘𝐹) | |
6 | eqid 2193 | . . 3 ⊢ (+g‘𝐹) = (+g‘𝐹) | |
7 | eqid 2193 | . . 3 ⊢ (.r‘𝐹) = (.r‘𝐹) | |
8 | eqid 2193 | . . 3 ⊢ (1r‘𝐹) = (1r‘𝐹) | |
9 | 1, 2, 3, 4, 5, 6, 7, 8 | islmod 13787 | . 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 1015 | 1 ⊢ (𝑊 ∈ LMod → 𝐹 ∈ Ring) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 980 = wceq 1364 ∈ wcel 2164 ∀wral 2472 ‘cfv 5254 (class class class)co 5918 Basecbs 12618 +gcplusg 12695 .rcmulr 12696 Scalarcsca 12698 ·𝑠 cvsca 12699 Grpcgrp 13072 1rcur 13455 Ringcrg 13492 LModclmod 13783 |
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 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4464 ax-cnex 7963 ax-resscn 7964 ax-1re 7966 ax-addrcl 7969 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-rab 2481 df-v 2762 df-sbc 2986 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-int 3871 df-br 4030 df-opab 4091 df-mpt 4092 df-id 4324 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-rn 4670 df-res 4671 df-iota 5215 df-fun 5256 df-fn 5257 df-fv 5262 df-ov 5921 df-inn 8983 df-2 9041 df-3 9042 df-4 9043 df-5 9044 df-6 9045 df-ndx 12621 df-slot 12622 df-base 12624 df-plusg 12708 df-mulr 12709 df-sca 12711 df-vsca 12712 df-lmod 13785 |
This theorem is referenced by: lmodfgrp 13792 lmodmcl 13796 lmod0cl 13810 lmod1cl 13811 lmod0vs 13817 lmodvs0 13818 lmodvsmmulgdi 13819 lmodvsneg 13827 lmodsubvs 13839 lmodsubdi 13840 lmodsubdir 13841 lssvnegcl 13872 islss3 13875 |
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