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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 20209 | . . 3 ⊢ (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝑇 ∈ LMod) | |
2 | 1 | 3ad2ant1 1131 | . 2 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) → 𝑇 ∈ LMod) |
3 | eqid 2738 | . . . . . . . . 9 ⊢ (Base‘𝑆) = (Base‘𝑆) | |
4 | lnmepi.b | . . . . . . . . 9 ⊢ 𝐵 = (Base‘𝑇) | |
5 | 3, 4 | lmhmf 20211 | . . . . . . . 8 ⊢ (𝐹 ∈ (𝑆 LMHom 𝑇) → 𝐹:(Base‘𝑆)⟶𝐵) |
6 | 5 | 3ad2ant1 1131 | . . . . . . 7 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) → 𝐹:(Base‘𝑆)⟶𝐵) |
7 | simp3 1136 | . . . . . . 7 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) → ran 𝐹 = 𝐵) | |
8 | dffo2 6676 | . . . . . . 7 ⊢ (𝐹:(Base‘𝑆)–onto→𝐵 ↔ (𝐹:(Base‘𝑆)⟶𝐵 ∧ ran 𝐹 = 𝐵)) | |
9 | 6, 7, 8 | sylanbrc 582 | . . . . . 6 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) → 𝐹:(Base‘𝑆)–onto→𝐵) |
10 | eqid 2738 | . . . . . . 7 ⊢ (LSubSp‘𝑇) = (LSubSp‘𝑇) | |
11 | 4, 10 | lssss 20113 | . . . . . 6 ⊢ (𝑎 ∈ (LSubSp‘𝑇) → 𝑎 ⊆ 𝐵) |
12 | foimacnv 6717 | . . . . . 6 ⊢ ((𝐹:(Base‘𝑆)–onto→𝐵 ∧ 𝑎 ⊆ 𝐵) → (𝐹 “ (◡𝐹 “ 𝑎)) = 𝑎) | |
13 | 9, 11, 12 | syl2an 595 | . . . . 5 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → (𝐹 “ (◡𝐹 “ 𝑎)) = 𝑎) |
14 | 13 | oveq2d 7271 | . . . 4 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → (𝑇 ↾s (𝐹 “ (◡𝐹 “ 𝑎))) = (𝑇 ↾s 𝑎)) |
15 | eqid 2738 | . . . . 5 ⊢ (𝑇 ↾s (𝐹 “ (◡𝐹 “ 𝑎))) = (𝑇 ↾s (𝐹 “ (◡𝐹 “ 𝑎))) | |
16 | eqid 2738 | . . . . 5 ⊢ (𝑆 ↾s (◡𝐹 “ 𝑎)) = (𝑆 ↾s (◡𝐹 “ 𝑎)) | |
17 | eqid 2738 | . . . . 5 ⊢ (LSubSp‘𝑆) = (LSubSp‘𝑆) | |
18 | simpl2 1190 | . . . . . 6 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → 𝑆 ∈ LNoeM) | |
19 | 17, 10 | lmhmpreima 20225 | . . . . . . 7 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → (◡𝐹 “ 𝑎) ∈ (LSubSp‘𝑆)) |
20 | 19 | 3ad2antl1 1183 | . . . . . 6 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → (◡𝐹 “ 𝑎) ∈ (LSubSp‘𝑆)) |
21 | 17, 16 | lnmlssfg 40821 | . . . . . 6 ⊢ ((𝑆 ∈ LNoeM ∧ (◡𝐹 “ 𝑎) ∈ (LSubSp‘𝑆)) → (𝑆 ↾s (◡𝐹 “ 𝑎)) ∈ LFinGen) |
22 | 18, 20, 21 | syl2anc 583 | . . . . 5 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → (𝑆 ↾s (◡𝐹 “ 𝑎)) ∈ LFinGen) |
23 | simpl1 1189 | . . . . 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 40825 | . . . 4 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → (𝑇 ↾s (𝐹 “ (◡𝐹 “ 𝑎))) ∈ LFinGen) |
25 | 14, 24 | eqeltrrd 2840 | . . 3 ⊢ (((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) ∧ 𝑎 ∈ (LSubSp‘𝑇)) → (𝑇 ↾s 𝑎) ∈ LFinGen) |
26 | 25 | ralrimiva 3107 | . 2 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) → ∀𝑎 ∈ (LSubSp‘𝑇)(𝑇 ↾s 𝑎) ∈ LFinGen) |
27 | 10 | islnm 40818 | . 2 ⊢ (𝑇 ∈ LNoeM ↔ (𝑇 ∈ LMod ∧ ∀𝑎 ∈ (LSubSp‘𝑇)(𝑇 ↾s 𝑎) ∈ LFinGen)) |
28 | 2, 26, 27 | sylanbrc 582 | 1 ⊢ ((𝐹 ∈ (𝑆 LMHom 𝑇) ∧ 𝑆 ∈ LNoeM ∧ ran 𝐹 = 𝐵) → 𝑇 ∈ LNoeM) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ∀wral 3063 ⊆ wss 3883 ◡ccnv 5579 ran crn 5581 “ cima 5583 ⟶wf 6414 –onto→wfo 6416 ‘cfv 6418 (class class class)co 7255 Basecbs 16840 ↾s cress 16867 LModclmod 20038 LSubSpclss 20108 LMHom clmhm 20196 LFinGenclfig 40808 LNoeMclnm 40816 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-ress 16868 df-plusg 16901 df-sca 16904 df-vsca 16905 df-0g 17069 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-grp 18495 df-minusg 18496 df-sbg 18497 df-subg 18667 df-ghm 18747 df-mgp 19636 df-ur 19653 df-ring 19700 df-lmod 20040 df-lss 20109 df-lsp 20149 df-lmhm 20199 df-lfig 40809 df-lnm 40817 |
This theorem is referenced by: lnmlmic 40829 pwslnmlem1 40833 lnrfg 40860 |
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