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| Mirrors > Home > MPE Home > Th. List > Mathboxes > quslmod | Structured version Visualization version GIF version | ||
| Description: If 𝐺 is a submodule in 𝑀, then 𝑁 = 𝑀 / 𝐺 is a left module, called the quotient module of 𝑀 by 𝐺. (Contributed by Thierry Arnoux, 18-May-2023.) |
| Ref | Expression |
|---|---|
| quslmod.n | ⊢ 𝑁 = (𝑀 /s (𝑀 ~QG 𝐺)) |
| quslmod.v | ⊢ 𝑉 = (Base‘𝑀) |
| quslmod.1 | ⊢ (𝜑 → 𝑀 ∈ LMod) |
| quslmod.2 | ⊢ (𝜑 → 𝐺 ∈ (LSubSp‘𝑀)) |
| Ref | Expression |
|---|---|
| quslmod | ⊢ (𝜑 → 𝑁 ∈ LMod) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | quslmod.n | . . . 4 ⊢ 𝑁 = (𝑀 /s (𝑀 ~QG 𝐺)) | |
| 2 | 1 | a1i 11 | . . 3 ⊢ (𝜑 → 𝑁 = (𝑀 /s (𝑀 ~QG 𝐺))) |
| 3 | quslmod.v | . . . 4 ⊢ 𝑉 = (Base‘𝑀) | |
| 4 | 3 | a1i 11 | . . 3 ⊢ (𝜑 → 𝑉 = (Base‘𝑀)) |
| 5 | eqid 2735 | . . 3 ⊢ (𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺)) = (𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺)) | |
| 6 | ovexd 7440 | . . 3 ⊢ (𝜑 → (𝑀 ~QG 𝐺) ∈ V) | |
| 7 | quslmod.1 | . . 3 ⊢ (𝜑 → 𝑀 ∈ LMod) | |
| 8 | 2, 4, 5, 6, 7 | qusval 17556 | . 2 ⊢ (𝜑 → 𝑁 = ((𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺)) “s 𝑀)) |
| 9 | eqid 2735 | . 2 ⊢ (Base‘(Scalar‘𝑀)) = (Base‘(Scalar‘𝑀)) | |
| 10 | eqid 2735 | . 2 ⊢ (+g‘𝑀) = (+g‘𝑀) | |
| 11 | eqid 2735 | . 2 ⊢ ( ·𝑠 ‘𝑀) = ( ·𝑠 ‘𝑀) | |
| 12 | eqid 2735 | . 2 ⊢ (0g‘𝑀) = (0g‘𝑀) | |
| 13 | 2, 4, 5, 6, 7 | quslem 17557 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺)):𝑉–onto→(𝑉 / (𝑀 ~QG 𝐺))) |
| 14 | quslmod.2 | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ (LSubSp‘𝑀)) | |
| 15 | eqid 2735 | . . . . . 6 ⊢ (LSubSp‘𝑀) = (LSubSp‘𝑀) | |
| 16 | 15 | lsssubg 20914 | . . . . 5 ⊢ ((𝑀 ∈ LMod ∧ 𝐺 ∈ (LSubSp‘𝑀)) → 𝐺 ∈ (SubGrp‘𝑀)) |
| 17 | 7, 14, 16 | syl2anc 584 | . . . 4 ⊢ (𝜑 → 𝐺 ∈ (SubGrp‘𝑀)) |
| 18 | eqid 2735 | . . . . 5 ⊢ (𝑀 ~QG 𝐺) = (𝑀 ~QG 𝐺) | |
| 19 | 3, 18 | eqger 19161 | . . . 4 ⊢ (𝐺 ∈ (SubGrp‘𝑀) → (𝑀 ~QG 𝐺) Er 𝑉) |
| 20 | 17, 19 | syl 17 | . . 3 ⊢ (𝜑 → (𝑀 ~QG 𝐺) Er 𝑉) |
| 21 | 3 | fvexi 6890 | . . . 4 ⊢ 𝑉 ∈ V |
| 22 | 21 | a1i 11 | . . 3 ⊢ (𝜑 → 𝑉 ∈ V) |
| 23 | lmodgrp 20824 | . . . . . 6 ⊢ (𝑀 ∈ LMod → 𝑀 ∈ Grp) | |
| 24 | 7, 23 | syl 17 | . . . . 5 ⊢ (𝜑 → 𝑀 ∈ Grp) |
| 25 | 24 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → 𝑀 ∈ Grp) |
| 26 | simprl 770 | . . . 4 ⊢ ((𝜑 ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → 𝑝 ∈ 𝑉) | |
| 27 | simprr 772 | . . . 4 ⊢ ((𝜑 ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → 𝑞 ∈ 𝑉) | |
| 28 | 3, 10 | grpcl 18924 | . . . 4 ⊢ ((𝑀 ∈ Grp ∧ 𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉) → (𝑝(+g‘𝑀)𝑞) ∈ 𝑉) |
| 29 | 25, 26, 27, 28 | syl3anc 1373 | . . 3 ⊢ ((𝜑 ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → (𝑝(+g‘𝑀)𝑞) ∈ 𝑉) |
| 30 | lmodabl 20866 | . . . . . 6 ⊢ (𝑀 ∈ LMod → 𝑀 ∈ Abel) | |
| 31 | ablnsg 19828 | . . . . . 6 ⊢ (𝑀 ∈ Abel → (NrmSGrp‘𝑀) = (SubGrp‘𝑀)) | |
| 32 | 7, 30, 31 | 3syl 18 | . . . . 5 ⊢ (𝜑 → (NrmSGrp‘𝑀) = (SubGrp‘𝑀)) |
| 33 | 17, 32 | eleqtrrd 2837 | . . . 4 ⊢ (𝜑 → 𝐺 ∈ (NrmSGrp‘𝑀)) |
| 34 | 3, 18, 10 | eqgcpbl 19165 | . . . 4 ⊢ (𝐺 ∈ (NrmSGrp‘𝑀) → ((𝑎(𝑀 ~QG 𝐺)𝑝 ∧ 𝑏(𝑀 ~QG 𝐺)𝑞) → (𝑎(+g‘𝑀)𝑏)(𝑀 ~QG 𝐺)(𝑝(+g‘𝑀)𝑞))) |
| 35 | 33, 34 | syl 17 | . . 3 ⊢ (𝜑 → ((𝑎(𝑀 ~QG 𝐺)𝑝 ∧ 𝑏(𝑀 ~QG 𝐺)𝑞) → (𝑎(+g‘𝑀)𝑏)(𝑀 ~QG 𝐺)(𝑝(+g‘𝑀)𝑞))) |
| 36 | 20, 22, 5, 29, 35 | ercpbl 17563 | . 2 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉) ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → ((((𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺))‘𝑎) = ((𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺))‘𝑝) ∧ ((𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺))‘𝑏) = ((𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺))‘𝑞)) → ((𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺))‘(𝑎(+g‘𝑀)𝑏)) = ((𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺))‘(𝑝(+g‘𝑀)𝑞)))) |
| 37 | 7 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ (𝑘 ∈ (Base‘(Scalar‘𝑀)) ∧ 𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉)) → 𝑀 ∈ LMod) |
| 38 | 14 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ (𝑘 ∈ (Base‘(Scalar‘𝑀)) ∧ 𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉)) → 𝐺 ∈ (LSubSp‘𝑀)) |
| 39 | simpr1 1195 | . . 3 ⊢ ((𝜑 ∧ (𝑘 ∈ (Base‘(Scalar‘𝑀)) ∧ 𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉)) → 𝑘 ∈ (Base‘(Scalar‘𝑀))) | |
| 40 | eqid 2735 | . . 3 ⊢ ( ·𝑠 ‘𝑁) = ( ·𝑠 ‘𝑁) | |
| 41 | simpr2 1196 | . . 3 ⊢ ((𝜑 ∧ (𝑘 ∈ (Base‘(Scalar‘𝑀)) ∧ 𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉)) → 𝑎 ∈ 𝑉) | |
| 42 | simpr3 1197 | . . 3 ⊢ ((𝜑 ∧ (𝑘 ∈ (Base‘(Scalar‘𝑀)) ∧ 𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉)) → 𝑏 ∈ 𝑉) | |
| 43 | 3, 18, 9, 11, 37, 38, 39, 1, 40, 5, 41, 42 | qusvscpbl 33366 | . 2 ⊢ ((𝜑 ∧ (𝑘 ∈ (Base‘(Scalar‘𝑀)) ∧ 𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉)) → (((𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺))‘𝑎) = ((𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺))‘𝑏) → ((𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺))‘(𝑘( ·𝑠 ‘𝑀)𝑎)) = ((𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺))‘(𝑘( ·𝑠 ‘𝑀)𝑏)))) |
| 44 | 8, 3, 9, 10, 11, 12, 13, 36, 43, 7 | imaslmod 33368 | 1 ⊢ (𝜑 → 𝑁 ∈ LMod) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1540 ∈ wcel 2108 Vcvv 3459 class class class wbr 5119 ↦ cmpt 5201 ‘cfv 6531 (class class class)co 7405 Er wer 8716 [cec 8717 / cqs 8718 Basecbs 17228 +gcplusg 17271 Scalarcsca 17274 ·𝑠 cvsca 17275 0gc0g 17453 /s cqus 17519 Grpcgrp 18916 SubGrpcsubg 19103 NrmSGrpcnsg 19104 ~QG cqg 19105 Abelcabl 19762 LModclmod 20817 LSubSpclss 20888 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2707 ax-rep 5249 ax-sep 5266 ax-nul 5276 ax-pow 5335 ax-pr 5402 ax-un 7729 ax-cnex 11185 ax-resscn 11186 ax-1cn 11187 ax-icn 11188 ax-addcl 11189 ax-addrcl 11190 ax-mulcl 11191 ax-mulrcl 11192 ax-mulcom 11193 ax-addass 11194 ax-mulass 11195 ax-distr 11196 ax-i2m1 11197 ax-1ne0 11198 ax-1rid 11199 ax-rnegex 11200 ax-rrecex 11201 ax-cnre 11202 ax-pre-lttri 11203 ax-pre-lttrn 11204 ax-pre-ltadd 11205 ax-pre-mulgt0 11206 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2809 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3359 df-reu 3360 df-rab 3416 df-v 3461 df-sbc 3766 df-csb 3875 df-dif 3929 df-un 3931 df-in 3933 df-ss 3943 df-pss 3946 df-nul 4309 df-if 4501 df-pw 4577 df-sn 4602 df-pr 4604 df-tp 4606 df-op 4608 df-uni 4884 df-iun 4969 df-br 5120 df-opab 5182 df-mpt 5202 df-tr 5230 df-id 5548 df-eprel 5553 df-po 5561 df-so 5562 df-fr 5606 df-we 5608 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-pred 6290 df-ord 6355 df-on 6356 df-lim 6357 df-suc 6358 df-iota 6484 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7362 df-ov 7408 df-oprab 7409 df-mpo 7410 df-om 7862 df-1st 7988 df-2nd 7989 df-frecs 8280 df-wrecs 8311 df-recs 8385 df-rdg 8424 df-1o 8480 df-er 8719 df-ec 8721 df-qs 8725 df-en 8960 df-dom 8961 df-sdom 8962 df-fin 8963 df-sup 9454 df-inf 9455 df-pnf 11271 df-mnf 11272 df-xr 11273 df-ltxr 11274 df-le 11275 df-sub 11468 df-neg 11469 df-nn 12241 df-2 12303 df-3 12304 df-4 12305 df-5 12306 df-6 12307 df-7 12308 df-8 12309 df-9 12310 df-n0 12502 df-z 12589 df-dec 12709 df-uz 12853 df-fz 13525 df-struct 17166 df-sets 17183 df-slot 17201 df-ndx 17213 df-base 17229 df-ress 17252 df-plusg 17284 df-mulr 17285 df-sca 17287 df-vsca 17288 df-ip 17289 df-tset 17290 df-ple 17291 df-ds 17293 df-0g 17455 df-imas 17522 df-qus 17523 df-mgm 18618 df-sgrp 18697 df-mnd 18713 df-grp 18919 df-minusg 18920 df-sbg 18921 df-subg 19106 df-nsg 19107 df-eqg 19108 df-cmn 19763 df-abl 19764 df-mgp 20101 df-rng 20113 df-ur 20142 df-ring 20195 df-lmod 20819 df-lss 20889 |
| This theorem is referenced by: quslmhm 33374 quslvec 33375 lmhmqusker 33432 |
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