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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 2737 | . . 3 ⊢ (𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺)) = (𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺)) | |
| 6 | ovexd 7395 | . . 3 ⊢ (𝜑 → (𝑀 ~QG 𝐺) ∈ V) | |
| 7 | quslmod.1 | . . 3 ⊢ (𝜑 → 𝑀 ∈ LMod) | |
| 8 | 2, 4, 5, 6, 7 | qusval 17497 | . 2 ⊢ (𝜑 → 𝑁 = ((𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺)) “s 𝑀)) |
| 9 | eqid 2737 | . 2 ⊢ (Base‘(Scalar‘𝑀)) = (Base‘(Scalar‘𝑀)) | |
| 10 | eqid 2737 | . 2 ⊢ (+g‘𝑀) = (+g‘𝑀) | |
| 11 | eqid 2737 | . 2 ⊢ ( ·𝑠 ‘𝑀) = ( ·𝑠 ‘𝑀) | |
| 12 | eqid 2737 | . 2 ⊢ (0g‘𝑀) = (0g‘𝑀) | |
| 13 | 2, 4, 5, 6, 7 | quslem 17498 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺)):𝑉–onto→(𝑉 / (𝑀 ~QG 𝐺))) |
| 14 | quslmod.2 | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ (LSubSp‘𝑀)) | |
| 15 | eqid 2737 | . . . . . 6 ⊢ (LSubSp‘𝑀) = (LSubSp‘𝑀) | |
| 16 | 15 | lsssubg 20943 | . . . . 5 ⊢ ((𝑀 ∈ LMod ∧ 𝐺 ∈ (LSubSp‘𝑀)) → 𝐺 ∈ (SubGrp‘𝑀)) |
| 17 | 7, 14, 16 | syl2anc 585 | . . . 4 ⊢ (𝜑 → 𝐺 ∈ (SubGrp‘𝑀)) |
| 18 | eqid 2737 | . . . . 5 ⊢ (𝑀 ~QG 𝐺) = (𝑀 ~QG 𝐺) | |
| 19 | 3, 18 | eqger 19144 | . . . 4 ⊢ (𝐺 ∈ (SubGrp‘𝑀) → (𝑀 ~QG 𝐺) Er 𝑉) |
| 20 | 17, 19 | syl 17 | . . 3 ⊢ (𝜑 → (𝑀 ~QG 𝐺) Er 𝑉) |
| 21 | 3 | fvexi 6848 | . . . 4 ⊢ 𝑉 ∈ V |
| 22 | 21 | a1i 11 | . . 3 ⊢ (𝜑 → 𝑉 ∈ V) |
| 23 | lmodgrp 20853 | . . . . . 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 771 | . . . 4 ⊢ ((𝜑 ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → 𝑝 ∈ 𝑉) | |
| 27 | simprr 773 | . . . 4 ⊢ ((𝜑 ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → 𝑞 ∈ 𝑉) | |
| 28 | 3, 10 | grpcl 18908 | . . . 4 ⊢ ((𝑀 ∈ Grp ∧ 𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉) → (𝑝(+g‘𝑀)𝑞) ∈ 𝑉) |
| 29 | 25, 26, 27, 28 | syl3anc 1374 | . . 3 ⊢ ((𝜑 ∧ (𝑝 ∈ 𝑉 ∧ 𝑞 ∈ 𝑉)) → (𝑝(+g‘𝑀)𝑞) ∈ 𝑉) |
| 30 | lmodabl 20895 | . . . . . 6 ⊢ (𝑀 ∈ LMod → 𝑀 ∈ Abel) | |
| 31 | ablnsg 19813 | . . . . . 6 ⊢ (𝑀 ∈ Abel → (NrmSGrp‘𝑀) = (SubGrp‘𝑀)) | |
| 32 | 7, 30, 31 | 3syl 18 | . . . . 5 ⊢ (𝜑 → (NrmSGrp‘𝑀) = (SubGrp‘𝑀)) |
| 33 | 17, 32 | eleqtrrd 2840 | . . . 4 ⊢ (𝜑 → 𝐺 ∈ (NrmSGrp‘𝑀)) |
| 34 | 3, 18, 10 | eqgcpbl 19148 | . . . 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 17504 | . 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 1196 | . . 3 ⊢ ((𝜑 ∧ (𝑘 ∈ (Base‘(Scalar‘𝑀)) ∧ 𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉)) → 𝑘 ∈ (Base‘(Scalar‘𝑀))) | |
| 40 | eqid 2737 | . . 3 ⊢ ( ·𝑠 ‘𝑁) = ( ·𝑠 ‘𝑁) | |
| 41 | simpr2 1197 | . . 3 ⊢ ((𝜑 ∧ (𝑘 ∈ (Base‘(Scalar‘𝑀)) ∧ 𝑎 ∈ 𝑉 ∧ 𝑏 ∈ 𝑉)) → 𝑎 ∈ 𝑉) | |
| 42 | simpr3 1198 | . . 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 33426 | . 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 33428 | 1 ⊢ (𝜑 → 𝑁 ∈ LMod) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 Vcvv 3430 class class class wbr 5086 ↦ cmpt 5167 ‘cfv 6492 (class class class)co 7360 Er wer 8633 [cec 8634 / cqs 8635 Basecbs 17170 +gcplusg 17211 Scalarcsca 17214 ·𝑠 cvsca 17215 0gc0g 17393 /s cqus 17460 Grpcgrp 18900 SubGrpcsubg 19087 NrmSGrpcnsg 19088 ~QG cqg 19089 Abelcabl 19747 LModclmod 20846 LSubSpclss 20917 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 ax-un 7682 ax-cnex 11085 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-mulcom 11093 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 ax-pre-mulgt0 11106 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-1st 7935 df-2nd 7936 df-frecs 8224 df-wrecs 8255 df-recs 8304 df-rdg 8342 df-1o 8398 df-er 8636 df-ec 8638 df-qs 8642 df-en 8887 df-dom 8888 df-sdom 8889 df-fin 8890 df-sup 9348 df-inf 9349 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-nn 12166 df-2 12235 df-3 12236 df-4 12237 df-5 12238 df-6 12239 df-7 12240 df-8 12241 df-9 12242 df-n0 12429 df-z 12516 df-dec 12636 df-uz 12780 df-fz 13453 df-struct 17108 df-sets 17125 df-slot 17143 df-ndx 17155 df-base 17171 df-ress 17192 df-plusg 17224 df-mulr 17225 df-sca 17227 df-vsca 17228 df-ip 17229 df-tset 17230 df-ple 17231 df-ds 17233 df-0g 17395 df-imas 17463 df-qus 17464 df-mgm 18599 df-sgrp 18678 df-mnd 18694 df-grp 18903 df-minusg 18904 df-sbg 18905 df-subg 19090 df-nsg 19091 df-eqg 19092 df-cmn 19748 df-abl 19749 df-mgp 20113 df-rng 20125 df-ur 20154 df-ring 20207 df-lmod 20848 df-lss 20918 |
| This theorem is referenced by: quslmhm 33434 quslvec 33435 lmhmqusker 33492 |
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