![]() |
Mathbox for Stefan O'Rear |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > Mathboxes > pwslnm | Structured version Visualization version GIF version |
Description: Finite powers of Noetherian modules are Noetherian. (Contributed by Stefan O'Rear, 24-Jan-2015.) |
Ref | Expression |
---|---|
pwslnm.y | ⊢ 𝑌 = (𝑊 ↑s 𝐼) |
Ref | Expression |
---|---|
pwslnm | ⊢ ((𝑊 ∈ LNoeM ∧ 𝐼 ∈ Fin) → 𝑌 ∈ LNoeM) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pwslnm.y | . 2 ⊢ 𝑌 = (𝑊 ↑s 𝐼) | |
2 | oveq2 7412 | . . . . . 6 ⊢ (𝑎 = ∅ → (𝑊 ↑s 𝑎) = (𝑊 ↑s ∅)) | |
3 | 2 | eleq1d 2812 | . . . . 5 ⊢ (𝑎 = ∅ → ((𝑊 ↑s 𝑎) ∈ LNoeM ↔ (𝑊 ↑s ∅) ∈ LNoeM)) |
4 | 3 | imbi2d 340 | . . . 4 ⊢ (𝑎 = ∅ → ((𝑊 ∈ LNoeM → (𝑊 ↑s 𝑎) ∈ LNoeM) ↔ (𝑊 ∈ LNoeM → (𝑊 ↑s ∅) ∈ LNoeM))) |
5 | oveq2 7412 | . . . . . 6 ⊢ (𝑎 = 𝑏 → (𝑊 ↑s 𝑎) = (𝑊 ↑s 𝑏)) | |
6 | 5 | eleq1d 2812 | . . . . 5 ⊢ (𝑎 = 𝑏 → ((𝑊 ↑s 𝑎) ∈ LNoeM ↔ (𝑊 ↑s 𝑏) ∈ LNoeM)) |
7 | 6 | imbi2d 340 | . . . 4 ⊢ (𝑎 = 𝑏 → ((𝑊 ∈ LNoeM → (𝑊 ↑s 𝑎) ∈ LNoeM) ↔ (𝑊 ∈ LNoeM → (𝑊 ↑s 𝑏) ∈ LNoeM))) |
8 | oveq2 7412 | . . . . . 6 ⊢ (𝑎 = (𝑏 ∪ {𝑐}) → (𝑊 ↑s 𝑎) = (𝑊 ↑s (𝑏 ∪ {𝑐}))) | |
9 | 8 | eleq1d 2812 | . . . . 5 ⊢ (𝑎 = (𝑏 ∪ {𝑐}) → ((𝑊 ↑s 𝑎) ∈ LNoeM ↔ (𝑊 ↑s (𝑏 ∪ {𝑐})) ∈ LNoeM)) |
10 | 9 | imbi2d 340 | . . . 4 ⊢ (𝑎 = (𝑏 ∪ {𝑐}) → ((𝑊 ∈ LNoeM → (𝑊 ↑s 𝑎) ∈ LNoeM) ↔ (𝑊 ∈ LNoeM → (𝑊 ↑s (𝑏 ∪ {𝑐})) ∈ LNoeM))) |
11 | oveq2 7412 | . . . . . 6 ⊢ (𝑎 = 𝐼 → (𝑊 ↑s 𝑎) = (𝑊 ↑s 𝐼)) | |
12 | 11 | eleq1d 2812 | . . . . 5 ⊢ (𝑎 = 𝐼 → ((𝑊 ↑s 𝑎) ∈ LNoeM ↔ (𝑊 ↑s 𝐼) ∈ LNoeM)) |
13 | 12 | imbi2d 340 | . . . 4 ⊢ (𝑎 = 𝐼 → ((𝑊 ∈ LNoeM → (𝑊 ↑s 𝑎) ∈ LNoeM) ↔ (𝑊 ∈ LNoeM → (𝑊 ↑s 𝐼) ∈ LNoeM))) |
14 | lnmlmod 42380 | . . . . 5 ⊢ (𝑊 ∈ LNoeM → 𝑊 ∈ LMod) | |
15 | eqid 2726 | . . . . . 6 ⊢ (𝑊 ↑s ∅) = (𝑊 ↑s ∅) | |
16 | 15 | pwslnmlem0 42392 | . . . . 5 ⊢ (𝑊 ∈ LMod → (𝑊 ↑s ∅) ∈ LNoeM) |
17 | 14, 16 | syl 17 | . . . 4 ⊢ (𝑊 ∈ LNoeM → (𝑊 ↑s ∅) ∈ LNoeM) |
18 | vex 3472 | . . . . . . 7 ⊢ 𝑏 ∈ V | |
19 | vsnex 5422 | . . . . . . 7 ⊢ {𝑐} ∈ V | |
20 | eqid 2726 | . . . . . . 7 ⊢ (𝑊 ↑s 𝑏) = (𝑊 ↑s 𝑏) | |
21 | eqid 2726 | . . . . . . 7 ⊢ (𝑊 ↑s {𝑐}) = (𝑊 ↑s {𝑐}) | |
22 | eqid 2726 | . . . . . . 7 ⊢ (𝑊 ↑s (𝑏 ∪ {𝑐})) = (𝑊 ↑s (𝑏 ∪ {𝑐})) | |
23 | 14 | ad2antrl 725 | . . . . . . 7 ⊢ (((𝑏 ∈ Fin ∧ ¬ 𝑐 ∈ 𝑏) ∧ (𝑊 ∈ LNoeM ∧ (𝑊 ↑s 𝑏) ∈ LNoeM)) → 𝑊 ∈ LMod) |
24 | disjsn 4710 | . . . . . . . . 9 ⊢ ((𝑏 ∩ {𝑐}) = ∅ ↔ ¬ 𝑐 ∈ 𝑏) | |
25 | 24 | biimpri 227 | . . . . . . . 8 ⊢ (¬ 𝑐 ∈ 𝑏 → (𝑏 ∩ {𝑐}) = ∅) |
26 | 25 | ad2antlr 724 | . . . . . . 7 ⊢ (((𝑏 ∈ Fin ∧ ¬ 𝑐 ∈ 𝑏) ∧ (𝑊 ∈ LNoeM ∧ (𝑊 ↑s 𝑏) ∈ LNoeM)) → (𝑏 ∩ {𝑐}) = ∅) |
27 | simprr 770 | . . . . . . 7 ⊢ (((𝑏 ∈ Fin ∧ ¬ 𝑐 ∈ 𝑏) ∧ (𝑊 ∈ LNoeM ∧ (𝑊 ↑s 𝑏) ∈ LNoeM)) → (𝑊 ↑s 𝑏) ∈ LNoeM) | |
28 | 21 | pwslnmlem1 42393 | . . . . . . . 8 ⊢ (𝑊 ∈ LNoeM → (𝑊 ↑s {𝑐}) ∈ LNoeM) |
29 | 28 | ad2antrl 725 | . . . . . . 7 ⊢ (((𝑏 ∈ Fin ∧ ¬ 𝑐 ∈ 𝑏) ∧ (𝑊 ∈ LNoeM ∧ (𝑊 ↑s 𝑏) ∈ LNoeM)) → (𝑊 ↑s {𝑐}) ∈ LNoeM) |
30 | 18, 19, 20, 21, 22, 23, 26, 27, 29 | pwslnmlem2 42394 | . . . . . 6 ⊢ (((𝑏 ∈ Fin ∧ ¬ 𝑐 ∈ 𝑏) ∧ (𝑊 ∈ LNoeM ∧ (𝑊 ↑s 𝑏) ∈ LNoeM)) → (𝑊 ↑s (𝑏 ∪ {𝑐})) ∈ LNoeM) |
31 | 30 | exp32 420 | . . . . 5 ⊢ ((𝑏 ∈ Fin ∧ ¬ 𝑐 ∈ 𝑏) → (𝑊 ∈ LNoeM → ((𝑊 ↑s 𝑏) ∈ LNoeM → (𝑊 ↑s (𝑏 ∪ {𝑐})) ∈ LNoeM))) |
32 | 31 | a2d 29 | . . . 4 ⊢ ((𝑏 ∈ Fin ∧ ¬ 𝑐 ∈ 𝑏) → ((𝑊 ∈ LNoeM → (𝑊 ↑s 𝑏) ∈ LNoeM) → (𝑊 ∈ LNoeM → (𝑊 ↑s (𝑏 ∪ {𝑐})) ∈ LNoeM))) |
33 | 4, 7, 10, 13, 17, 32 | findcard2s 9164 | . . 3 ⊢ (𝐼 ∈ Fin → (𝑊 ∈ LNoeM → (𝑊 ↑s 𝐼) ∈ LNoeM)) |
34 | 33 | impcom 407 | . 2 ⊢ ((𝑊 ∈ LNoeM ∧ 𝐼 ∈ Fin) → (𝑊 ↑s 𝐼) ∈ LNoeM) |
35 | 1, 34 | eqeltrid 2831 | 1 ⊢ ((𝑊 ∈ LNoeM ∧ 𝐼 ∈ Fin) → 𝑌 ∈ LNoeM) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1533 ∈ wcel 2098 ∪ cun 3941 ∩ cin 3942 ∅c0 4317 {csn 4623 (class class class)co 7404 Fincfn 8938 ↑s cpws 17399 LModclmod 20704 LNoeMclnm 42376 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2697 ax-rep 5278 ax-sep 5292 ax-nul 5299 ax-pow 5356 ax-pr 5420 ax-un 7721 ax-cnex 11165 ax-resscn 11166 ax-1cn 11167 ax-icn 11168 ax-addcl 11169 ax-addrcl 11170 ax-mulcl 11171 ax-mulrcl 11172 ax-mulcom 11173 ax-addass 11174 ax-mulass 11175 ax-distr 11176 ax-i2m1 11177 ax-1ne0 11178 ax-1rid 11179 ax-rnegex 11180 ax-rrecex 11181 ax-cnre 11182 ax-pre-lttri 11183 ax-pre-lttrn 11184 ax-pre-ltadd 11185 ax-pre-mulgt0 11186 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2704 df-cleq 2718 df-clel 2804 df-nfc 2879 df-ne 2935 df-nel 3041 df-ral 3056 df-rex 3065 df-rmo 3370 df-reu 3371 df-rab 3427 df-v 3470 df-sbc 3773 df-csb 3889 df-dif 3946 df-un 3948 df-in 3950 df-ss 3960 df-pss 3962 df-nul 4318 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-tp 4628 df-op 4630 df-uni 4903 df-int 4944 df-iun 4992 df-br 5142 df-opab 5204 df-mpt 5225 df-tr 5259 df-id 5567 df-eprel 5573 df-po 5581 df-so 5582 df-fr 5624 df-we 5626 df-xp 5675 df-rel 5676 df-cnv 5677 df-co 5678 df-dm 5679 df-rn 5680 df-res 5681 df-ima 5682 df-pred 6293 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6488 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7360 df-ov 7407 df-oprab 7408 df-mpo 7409 df-of 7666 df-om 7852 df-1st 7971 df-2nd 7972 df-frecs 8264 df-wrecs 8295 df-recs 8369 df-rdg 8408 df-1o 8464 df-er 8702 df-map 8821 df-ixp 8891 df-en 8939 df-dom 8940 df-sdom 8941 df-fin 8942 df-sup 9436 df-pnf 11251 df-mnf 11252 df-xr 11253 df-ltxr 11254 df-le 11255 df-sub 11447 df-neg 11448 df-nn 12214 df-2 12276 df-3 12277 df-4 12278 df-5 12279 df-6 12280 df-7 12281 df-8 12282 df-9 12283 df-n0 12474 df-z 12560 df-dec 12679 df-uz 12824 df-fz 13488 df-struct 17087 df-sets 17104 df-slot 17122 df-ndx 17134 df-base 17152 df-ress 17181 df-plusg 17217 df-mulr 17218 df-sca 17220 df-vsca 17221 df-ip 17222 df-tset 17223 df-ple 17224 df-ds 17226 df-hom 17228 df-cco 17229 df-0g 17394 df-prds 17400 df-pws 17402 df-mgm 18571 df-sgrp 18650 df-mnd 18666 df-mhm 18711 df-submnd 18712 df-grp 18864 df-minusg 18865 df-sbg 18866 df-subg 19048 df-ghm 19137 df-cntz 19231 df-lsm 19554 df-cmn 19700 df-abl 19701 df-mgp 20038 df-rng 20056 df-ur 20085 df-ring 20138 df-lmod 20706 df-lss 20777 df-lsp 20817 df-lmhm 20868 df-lmim 20869 df-lmic 20870 df-lfig 42369 df-lnm 42377 |
This theorem is referenced by: lnrfrlm 42419 |
Copyright terms: Public domain | W3C validator |