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Mirrors > Home > MPE Home > Th. List > lsslsp | Structured version Visualization version GIF version |
Description: Spans in submodules correspond to spans in the containing module. (Contributed by Stefan O'Rear, 12-Dec-2014.) TODO: Shouldn't we swap 𝑀‘𝐺 and 𝑁‘𝐺 since we are computing a property of 𝑁‘𝐺? (Like we say sin 0 = 0 and not 0 = sin 0.) - NM 15-Mar-2015. |
Ref | Expression |
---|---|
lsslsp.x | ⊢ 𝑋 = (𝑊 ↾s 𝑈) |
lsslsp.m | ⊢ 𝑀 = (LSpan‘𝑊) |
lsslsp.n | ⊢ 𝑁 = (LSpan‘𝑋) |
lsslsp.l | ⊢ 𝐿 = (LSubSp‘𝑊) |
Ref | Expression |
---|---|
lsslsp | ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → (𝑀‘𝐺) = (𝑁‘𝐺)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp1 1134 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → 𝑊 ∈ LMod) | |
2 | lsslsp.x | . . . . . . . 8 ⊢ 𝑋 = (𝑊 ↾s 𝑈) | |
3 | lsslsp.l | . . . . . . . 8 ⊢ 𝐿 = (LSubSp‘𝑊) | |
4 | 2, 3 | lsslmod 20137 | . . . . . . 7 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿) → 𝑋 ∈ LMod) |
5 | 4 | 3adant3 1130 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → 𝑋 ∈ LMod) |
6 | simp3 1136 | . . . . . . 7 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → 𝐺 ⊆ 𝑈) | |
7 | eqid 2738 | . . . . . . . . . 10 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
8 | 7, 3 | lssss 20113 | . . . . . . . . 9 ⊢ (𝑈 ∈ 𝐿 → 𝑈 ⊆ (Base‘𝑊)) |
9 | 8 | 3ad2ant2 1132 | . . . . . . . 8 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → 𝑈 ⊆ (Base‘𝑊)) |
10 | 2, 7 | ressbas2 16875 | . . . . . . . 8 ⊢ (𝑈 ⊆ (Base‘𝑊) → 𝑈 = (Base‘𝑋)) |
11 | 9, 10 | syl 17 | . . . . . . 7 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → 𝑈 = (Base‘𝑋)) |
12 | 6, 11 | sseqtrd 3957 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → 𝐺 ⊆ (Base‘𝑋)) |
13 | eqid 2738 | . . . . . . 7 ⊢ (Base‘𝑋) = (Base‘𝑋) | |
14 | eqid 2738 | . . . . . . 7 ⊢ (LSubSp‘𝑋) = (LSubSp‘𝑋) | |
15 | lsslsp.n | . . . . . . 7 ⊢ 𝑁 = (LSpan‘𝑋) | |
16 | 13, 14, 15 | lspcl 20153 | . . . . . 6 ⊢ ((𝑋 ∈ LMod ∧ 𝐺 ⊆ (Base‘𝑋)) → (𝑁‘𝐺) ∈ (LSubSp‘𝑋)) |
17 | 5, 12, 16 | syl2anc 583 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → (𝑁‘𝐺) ∈ (LSubSp‘𝑋)) |
18 | 2, 3, 14 | lsslss 20138 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿) → ((𝑁‘𝐺) ∈ (LSubSp‘𝑋) ↔ ((𝑁‘𝐺) ∈ 𝐿 ∧ (𝑁‘𝐺) ⊆ 𝑈))) |
19 | 18 | 3adant3 1130 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → ((𝑁‘𝐺) ∈ (LSubSp‘𝑋) ↔ ((𝑁‘𝐺) ∈ 𝐿 ∧ (𝑁‘𝐺) ⊆ 𝑈))) |
20 | 17, 19 | mpbid 231 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → ((𝑁‘𝐺) ∈ 𝐿 ∧ (𝑁‘𝐺) ⊆ 𝑈)) |
21 | 20 | simpld 494 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → (𝑁‘𝐺) ∈ 𝐿) |
22 | 13, 15 | lspssid 20162 | . . . 4 ⊢ ((𝑋 ∈ LMod ∧ 𝐺 ⊆ (Base‘𝑋)) → 𝐺 ⊆ (𝑁‘𝐺)) |
23 | 5, 12, 22 | syl2anc 583 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → 𝐺 ⊆ (𝑁‘𝐺)) |
24 | lsslsp.m | . . . 4 ⊢ 𝑀 = (LSpan‘𝑊) | |
25 | 3, 24 | lspssp 20165 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ (𝑁‘𝐺) ∈ 𝐿 ∧ 𝐺 ⊆ (𝑁‘𝐺)) → (𝑀‘𝐺) ⊆ (𝑁‘𝐺)) |
26 | 1, 21, 23, 25 | syl3anc 1369 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → (𝑀‘𝐺) ⊆ (𝑁‘𝐺)) |
27 | 6, 9 | sstrd 3927 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → 𝐺 ⊆ (Base‘𝑊)) |
28 | 7, 3, 24 | lspcl 20153 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝐺 ⊆ (Base‘𝑊)) → (𝑀‘𝐺) ∈ 𝐿) |
29 | 1, 27, 28 | syl2anc 583 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → (𝑀‘𝐺) ∈ 𝐿) |
30 | 3, 24 | lspssp 20165 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → (𝑀‘𝐺) ⊆ 𝑈) |
31 | 2, 3, 14 | lsslss 20138 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿) → ((𝑀‘𝐺) ∈ (LSubSp‘𝑋) ↔ ((𝑀‘𝐺) ∈ 𝐿 ∧ (𝑀‘𝐺) ⊆ 𝑈))) |
32 | 31 | 3adant3 1130 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → ((𝑀‘𝐺) ∈ (LSubSp‘𝑋) ↔ ((𝑀‘𝐺) ∈ 𝐿 ∧ (𝑀‘𝐺) ⊆ 𝑈))) |
33 | 29, 30, 32 | mpbir2and 709 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → (𝑀‘𝐺) ∈ (LSubSp‘𝑋)) |
34 | 7, 24 | lspssid 20162 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝐺 ⊆ (Base‘𝑊)) → 𝐺 ⊆ (𝑀‘𝐺)) |
35 | 1, 27, 34 | syl2anc 583 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → 𝐺 ⊆ (𝑀‘𝐺)) |
36 | 14, 15 | lspssp 20165 | . . 3 ⊢ ((𝑋 ∈ LMod ∧ (𝑀‘𝐺) ∈ (LSubSp‘𝑋) ∧ 𝐺 ⊆ (𝑀‘𝐺)) → (𝑁‘𝐺) ⊆ (𝑀‘𝐺)) |
37 | 5, 33, 35, 36 | syl3anc 1369 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → (𝑁‘𝐺) ⊆ (𝑀‘𝐺)) |
38 | 26, 37 | eqssd 3934 | 1 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝐿 ∧ 𝐺 ⊆ 𝑈) → (𝑀‘𝐺) = (𝑁‘𝐺)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ⊆ wss 3883 ‘cfv 6418 (class class class)co 7255 Basecbs 16840 ↾s cress 16867 LModclmod 20038 LSubSpclss 20108 LSpanclspn 20148 |
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-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 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-mgp 19636 df-ur 19653 df-ring 19700 df-lmod 20040 df-lss 20109 df-lsp 20149 |
This theorem is referenced by: lss0v 20193 lsslindf 20947 islinds3 20951 lbslsat 31601 dimkerim 31610 lcdlsp 39562 islssfg 40811 |
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