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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 2736 | . . 3 ⊢ (𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺)) = (𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺)) | |
| 6 | ovexd 7402 | . . 3 ⊢ (𝜑 → (𝑀 ~QG 𝐺) ∈ V) | |
| 7 | quslmod.1 | . . 3 ⊢ (𝜑 → 𝑀 ∈ LMod) | |
| 8 | 2, 4, 5, 6, 7 | qusval 17506 | . 2 ⊢ (𝜑 → 𝑁 = ((𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺)) “s 𝑀)) |
| 9 | eqid 2736 | . 2 ⊢ (Base‘(Scalar‘𝑀)) = (Base‘(Scalar‘𝑀)) | |
| 10 | eqid 2736 | . 2 ⊢ (+g‘𝑀) = (+g‘𝑀) | |
| 11 | eqid 2736 | . 2 ⊢ ( ·𝑠 ‘𝑀) = ( ·𝑠 ‘𝑀) | |
| 12 | eqid 2736 | . 2 ⊢ (0g‘𝑀) = (0g‘𝑀) | |
| 13 | 2, 4, 5, 6, 7 | quslem 17507 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝑉 ↦ [𝑥](𝑀 ~QG 𝐺)):𝑉–onto→(𝑉 / (𝑀 ~QG 𝐺))) |
| 14 | quslmod.2 | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ (LSubSp‘𝑀)) | |
| 15 | eqid 2736 | . . . . . 6 ⊢ (LSubSp‘𝑀) = (LSubSp‘𝑀) | |
| 16 | 15 | lsssubg 20952 | . . . . 5 ⊢ ((𝑀 ∈ LMod ∧ 𝐺 ∈ (LSubSp‘𝑀)) → 𝐺 ∈ (SubGrp‘𝑀)) |
| 17 | 7, 14, 16 | syl2anc 585 | . . . 4 ⊢ (𝜑 → 𝐺 ∈ (SubGrp‘𝑀)) |
| 18 | eqid 2736 | . . . . 5 ⊢ (𝑀 ~QG 𝐺) = (𝑀 ~QG 𝐺) | |
| 19 | 3, 18 | eqger 19153 | . . . 4 ⊢ (𝐺 ∈ (SubGrp‘𝑀) → (𝑀 ~QG 𝐺) Er 𝑉) |
| 20 | 17, 19 | syl 17 | . . 3 ⊢ (𝜑 → (𝑀 ~QG 𝐺) Er 𝑉) |
| 21 | 3 | fvexi 6854 | . . . 4 ⊢ 𝑉 ∈ V |
| 22 | 21 | a1i 11 | . . 3 ⊢ (𝜑 → 𝑉 ∈ V) |
| 23 | lmodgrp 20862 | . . . . . 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 18917 | . . . 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 20904 | . . . . . 6 ⊢ (𝑀 ∈ LMod → 𝑀 ∈ Abel) | |
| 31 | ablnsg 19822 | . . . . . 6 ⊢ (𝑀 ∈ Abel → (NrmSGrp‘𝑀) = (SubGrp‘𝑀)) | |
| 32 | 7, 30, 31 | 3syl 18 | . . . . 5 ⊢ (𝜑 → (NrmSGrp‘𝑀) = (SubGrp‘𝑀)) |
| 33 | 17, 32 | eleqtrrd 2839 | . . . 4 ⊢ (𝜑 → 𝐺 ∈ (NrmSGrp‘𝑀)) |
| 34 | 3, 18, 10 | eqgcpbl 19157 | . . . 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 17513 | . 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 2736 | . . 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 33411 | . 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 33413 | 1 ⊢ (𝜑 → 𝑁 ∈ LMod) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 Vcvv 3429 class class class wbr 5085 ↦ cmpt 5166 ‘cfv 6498 (class class class)co 7367 Er wer 8640 [cec 8641 / cqs 8642 Basecbs 17179 +gcplusg 17220 Scalarcsca 17223 ·𝑠 cvsca 17224 0gc0g 17402 /s cqus 17469 Grpcgrp 18909 SubGrpcsubg 19096 NrmSGrpcnsg 19097 ~QG cqg 19098 Abelcabl 19756 LModclmod 20855 LSubSpclss 20926 |
| 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 2708 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-1st 7942 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-1o 8405 df-er 8643 df-ec 8645 df-qs 8649 df-en 8894 df-dom 8895 df-sdom 8896 df-fin 8897 df-sup 9355 df-inf 9356 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-nn 12175 df-2 12244 df-3 12245 df-4 12246 df-5 12247 df-6 12248 df-7 12249 df-8 12250 df-9 12251 df-n0 12438 df-z 12525 df-dec 12645 df-uz 12789 df-fz 13462 df-struct 17117 df-sets 17134 df-slot 17152 df-ndx 17164 df-base 17180 df-ress 17201 df-plusg 17233 df-mulr 17234 df-sca 17236 df-vsca 17237 df-ip 17238 df-tset 17239 df-ple 17240 df-ds 17242 df-0g 17404 df-imas 17472 df-qus 17473 df-mgm 18608 df-sgrp 18687 df-mnd 18703 df-grp 18912 df-minusg 18913 df-sbg 18914 df-subg 19099 df-nsg 19100 df-eqg 19101 df-cmn 19757 df-abl 19758 df-mgp 20122 df-rng 20134 df-ur 20163 df-ring 20216 df-lmod 20857 df-lss 20927 |
| This theorem is referenced by: quslmhm 33419 quslvec 33420 lmhmqusker 33477 |
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