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Mirrors > Home > MPE Home > Th. List > Mathboxes > lnmepi | Structured version Visualization version GIF version |
Description: Epimorphic images of Noetherian modules are Noetherian. (Contributed by Stefan O'Rear, 24-Jan-2015.) |
Ref | Expression |
---|---|
lnmepi.b | ⊢ 𝐵 = (Base‘𝑇) |
Ref | Expression |
---|---|
lnmepi | ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) → 𝑇 ∈ LNoeM) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lmhmlmod2 20069 | . . 3 ⊢ (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝑇 ∈ LMod) | |
2 | 1 | 3ad2ant1 1135 | . 2 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) → 𝑇 ∈ LMod) |
3 | eqid 2737 | . . . . . . . . 9 ⊢ (Base‘𝑆) = (Base‘𝑆) | |
4 | lnmepi.b | . . . . . . . . 9 ⊢ 𝐵 = (Base‘𝑇) | |
5 | 3, 4 | lmhmf 20071 | . . . . . . . 8 ⊢ (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐹:(Base‘𝑆)⟶𝐵) |
6 | 5 | 3ad2ant1 1135 | . . . . . . 7 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) → 𝐹:(Base‘𝑆)⟶𝐵) |
7 | simp3 1140 | . . . . . . 7 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) → ran 𝐹 = 𝐵) | |
8 | dffo2 6637 | . . . . . . 7 ⊢ (𝐹:(Base‘𝑆)–onto→𝐵 ↔ (𝐹:(Base‘𝑆)⟶𝐵 ∧ ran 𝐹 = 𝐵)) | |
9 | 6, 7, 8 | sylanbrc 586 | . . . . . 6 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) → 𝐹:(Base‘𝑆)–onto→𝐵) |
10 | eqid 2737 | . . . . . . 7 ⊢ (LSubSp‘𝑇) = (LSubSp‘𝑇) | |
11 | 4, 10 | lssss 19973 | . . . . . 6 ⊢ (𝑎 ∈ (LSubSp‘𝑇) → 𝑎 ⊆ 𝐵) |
12 | foimacnv 6678 | . . . . . 6 ⊢ ((𝐹:(Base‘𝑆)–onto→𝐵 ∧ 𝑎 ⊆ 𝐵) → (𝐹 “ (◡𝐹 “ 𝑎)) = 𝑎) | |
13 | 9, 11, 12 | syl2an 599 | . . . . 5 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → (𝐹 “ (◡𝐹 “ 𝑎)) = 𝑎) |
14 | 13 | oveq2d 7229 | . . . 4 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → (𝑇 ↾s (𝐹 “ (◡𝐹 “ 𝑎))) = (𝑇 ↾s 𝑎)) |
15 | eqid 2737 | . . . . 5 ⊢ (𝑇 ↾s (𝐹 “ (◡𝐹 “ 𝑎))) = (𝑇 ↾s (𝐹 “ (◡𝐹 “ 𝑎))) | |
16 | eqid 2737 | . . . . 5 ⊢ (𝑆 ↾s (◡𝐹 “ 𝑎)) = (𝑆 ↾s (◡𝐹 “ 𝑎)) | |
17 | eqid 2737 | . . . . 5 ⊢ (LSubSp‘𝑆) = (LSubSp‘𝑆) | |
18 | simpl2 1194 | . . . . . 6 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → 𝑆 ∈ LNoeM) | |
19 | 17, 10 | lmhmpreima 20085 | . . . . . . 7 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → (◡𝐹 “ 𝑎) ∈ (LSubSp‘𝑆)) |
20 | 19 | 3ad2antl1 1187 | . . . . . 6 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → (◡𝐹 “ 𝑎) ∈ (LSubSp‘𝑆)) |
21 | 17, 16 | lnmlssfg 40608 | . . . . . 6 ⊢ ((𝑆 ∈ LNoeM ∧ (◡𝐹 “ 𝑎) ∈ (LSubSp‘𝑆)) → (𝑆 ↾s (◡𝐹 “ 𝑎)) ∈ LFinGen) |
22 | 18, 20, 21 | syl2anc 587 | . . . . 5 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → (𝑆 ↾s (◡𝐹 “ 𝑎)) ∈ LFinGen) |
23 | simpl1 1193 | . . . . 5 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → 𝐹 ∈ (𝑆 LMHom 𝑇)) | |
24 | 15, 16, 17, 22, 20, 23 | lmhmfgima 40612 | . . . 4 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → (𝑇 ↾s (𝐹 “ (◡𝐹 “ 𝑎))) ∈ LFinGen) |
25 | 14, 24 | eqeltrrd 2839 | . . 3 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → (𝑇 ↾s 𝑎) ∈ LFinGen) |
26 | 25 | ralrimiva 3105 | . 2 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) → ∀𝑎 ∈ (LSubSp‘𝑇)(𝑇 ↾s 𝑎) ∈ LFinGen) |
27 | 10 | islnm 40605 | . 2 ⊢ (𝑇 ∈ LNoeM ↔ (𝑇 ∈ LMod ∧ ∀𝑎 ∈ (LSubSp‘𝑇)(𝑇 ↾s 𝑎) ∈ LFinGen)) |
28 | 2, 26, 27 | sylanbrc 586 | 1 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) → 𝑇 ∈ LNoeM) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ∧ w3a 1089 = wceq 1543 ∈ wcel 2110 ∀wral 3061 ⊆ wss 3866 ◡ccnv 5550 ran crn 5552 “ cima 5554 ⟶wf 6376 –onto→wfo 6378 ‘cfv 6380 (class class class)co 7213 Basecbs 16760 ↾s cress 16784 LModclmod 19899 LSubSpclss 19968 LMHom clmhm 20056 LFinGenclfig 40595 LNoeMclnm 40603 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-rep 5179 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 ax-cnex 10785 ax-resscn 10786 ax-1cn 10787 ax-icn 10788 ax-addcl 10789 ax-addrcl 10790 ax-mulcl 10791 ax-mulrcl 10792 ax-mulcom 10793 ax-addass 10794 ax-mulass 10795 ax-distr 10796 ax-i2m1 10797 ax-1ne0 10798 ax-1rid 10799 ax-rnegex 10800 ax-rrecex 10801 ax-cnre 10802 ax-pre-lttri 10803 ax-pre-lttrn 10804 ax-pre-ltadd 10805 ax-pre-mulgt0 10806 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3066 df-rex 3067 df-reu 3068 df-rmo 3069 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-pss 3885 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-tp 4546 df-op 4548 df-uni 4820 df-int 4860 df-iun 4906 df-br 5054 df-opab 5116 df-mpt 5136 df-tr 5162 df-id 5455 df-eprel 5460 df-po 5468 df-so 5469 df-fr 5509 df-we 5511 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-pred 6160 df-ord 6216 df-on 6217 df-lim 6218 df-suc 6219 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-riota 7170 df-ov 7216 df-oprab 7217 df-mpo 7218 df-om 7645 df-1st 7761 df-2nd 7762 df-wrecs 8047 df-recs 8108 df-rdg 8146 df-1o 8202 df-er 8391 df-en 8627 df-dom 8628 df-sdom 8629 df-fin 8630 df-pnf 10869 df-mnf 10870 df-xr 10871 df-ltxr 10872 df-le 10873 df-sub 11064 df-neg 11065 df-nn 11831 df-2 11893 df-3 11894 df-4 11895 df-5 11896 df-6 11897 df-sets 16717 df-slot 16735 df-ndx 16745 df-base 16761 df-ress 16785 df-plusg 16815 df-sca 16818 df-vsca 16819 df-0g 16946 df-mgm 18114 df-sgrp 18163 df-mnd 18174 df-grp 18368 df-minusg 18369 df-sbg 18370 df-subg 18540 df-ghm 18620 df-mgp 19505 df-ur 19517 df-ring 19564 df-lmod 19901 df-lss 19969 df-lsp 20009 df-lmhm 20059 df-lfig 40596 df-lnm 40604 |
This theorem is referenced by: lnmlmic 40616 pwslnmlem1 40620 lnrfg 40647 |
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