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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 2189 | . . 3 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
2 | eqid 2189 | . . 3 ⊢ (+g‘𝑊) = (+g‘𝑊) | |
3 | eqid 2189 | . . 3 ⊢ ( ·𝑠 ‘𝑊) = ( ·𝑠 ‘𝑊) | |
4 | lmodring.1 | . . 3 ⊢ 𝐹 = (Scalar‘𝑊) | |
5 | eqid 2189 | . . 3 ⊢ (Base‘𝐹) = (Base‘𝐹) | |
6 | eqid 2189 | . . 3 ⊢ (+g‘𝐹) = (+g‘𝐹) | |
7 | eqid 2189 | . . 3 ⊢ (.r‘𝐹) = (.r‘𝐹) | |
8 | eqid 2189 | . . 3 ⊢ (1r‘𝐹) = (1r‘𝐹) | |
9 | 1, 2, 3, 4, 5, 6, 7, 8 | islmod 13632 | . 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 2160 ∀wral 2468 ‘cfv 5238 (class class class)co 5900 Basecbs 12523 +gcplusg 12600 .rcmulr 12601 Scalarcsca 12603 ·𝑠 cvsca 12604 Grpcgrp 12968 1rcur 13338 Ringcrg 13375 LModclmod 13628 |
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 2162 ax-14 2163 ax-ext 2171 ax-sep 4139 ax-pow 4195 ax-pr 4230 ax-un 4454 ax-cnex 7937 ax-resscn 7938 ax-1re 7940 ax-addrcl 7943 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2041 df-mo 2042 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ral 2473 df-rex 2474 df-rab 2477 df-v 2754 df-sbc 2978 df-un 3148 df-in 3150 df-ss 3157 df-pw 3595 df-sn 3616 df-pr 3617 df-op 3619 df-uni 3828 df-int 3863 df-br 4022 df-opab 4083 df-mpt 4084 df-id 4314 df-xp 4653 df-rel 4654 df-cnv 4655 df-co 4656 df-dm 4657 df-rn 4658 df-res 4659 df-iota 5199 df-fun 5240 df-fn 5241 df-fv 5246 df-ov 5903 df-inn 8955 df-2 9013 df-3 9014 df-4 9015 df-5 9016 df-6 9017 df-ndx 12526 df-slot 12527 df-base 12529 df-plusg 12613 df-mulr 12614 df-sca 12616 df-vsca 12617 df-lmod 13630 |
This theorem is referenced by: lmodfgrp 13637 lmodmcl 13641 lmod0cl 13655 lmod1cl 13656 lmod0vs 13662 lmodvs0 13663 lmodvsmmulgdi 13664 lmodvsneg 13672 lmodsubvs 13684 lmodsubdi 13685 lmodsubdir 13686 lssvnegcl 13717 islss3 13720 |
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