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Mirrors > Home > MPE Home > Th. List > lsmssspx | Structured version Visualization version GIF version |
Description: Subspace sum (in its extended domain) is a subset of the span of the union of its arguments. (Contributed by NM, 6-Aug-2014.) |
Ref | Expression |
---|---|
lsmsp2.v | ⊢ 𝑉 = (Base‘𝑊) |
lsmsp2.n | ⊢ 𝑁 = (LSpan‘𝑊) |
lsmsp2.p | ⊢ ⊕ = (LSSum‘𝑊) |
lsmssspx.t | ⊢ (𝜑 → 𝑇 ⊆ 𝑉) |
lsmssspx.u | ⊢ (𝜑 → 𝑈 ⊆ 𝑉) |
lsmssspx.w | ⊢ (𝜑 → 𝑊 ∈ LMod) |
Ref | Expression |
---|---|
lsmssspx | ⊢ (𝜑 → (𝑇 ⊕ 𝑈) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lsmssspx.w | . . . 4 ⊢ (𝜑 → 𝑊 ∈ LMod) | |
2 | lsmssspx.t | . . . . 5 ⊢ (𝜑 → 𝑇 ⊆ 𝑉) | |
3 | lsmsp2.v | . . . . . 6 ⊢ 𝑉 = (Base‘𝑊) | |
4 | lsmsp2.n | . . . . . 6 ⊢ 𝑁 = (LSpan‘𝑊) | |
5 | 3, 4 | lspssv 20429 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉) → (𝑁‘𝑇) ⊆ 𝑉) |
6 | 1, 2, 5 | syl2anc 584 | . . . 4 ⊢ (𝜑 → (𝑁‘𝑇) ⊆ 𝑉) |
7 | lsmssspx.u | . . . 4 ⊢ (𝜑 → 𝑈 ⊆ 𝑉) | |
8 | 3, 4 | lspssid 20431 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉) → 𝑇 ⊆ (𝑁‘𝑇)) |
9 | 1, 2, 8 | syl2anc 584 | . . . 4 ⊢ (𝜑 → 𝑇 ⊆ (𝑁‘𝑇)) |
10 | lsmsp2.p | . . . . 5 ⊢ ⊕ = (LSSum‘𝑊) | |
11 | 3, 10 | lsmless1x 19417 | . . . 4 ⊢ (((𝑊 ∈ LMod ∧ (𝑁‘𝑇) ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) ∧ 𝑇 ⊆ (𝑁‘𝑇)) → (𝑇 ⊕ 𝑈) ⊆ ((𝑁‘𝑇) ⊕ 𝑈)) |
12 | 1, 6, 7, 9, 11 | syl31anc 1373 | . . 3 ⊢ (𝜑 → (𝑇 ⊕ 𝑈) ⊆ ((𝑁‘𝑇) ⊕ 𝑈)) |
13 | 3, 4 | lspssv 20429 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → (𝑁‘𝑈) ⊆ 𝑉) |
14 | 1, 7, 13 | syl2anc 584 | . . . 4 ⊢ (𝜑 → (𝑁‘𝑈) ⊆ 𝑉) |
15 | 3, 4 | lspssid 20431 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ (𝑁‘𝑈)) |
16 | 1, 7, 15 | syl2anc 584 | . . . 4 ⊢ (𝜑 → 𝑈 ⊆ (𝑁‘𝑈)) |
17 | 3, 10 | lsmless2x 19418 | . . . 4 ⊢ (((𝑊 ∈ LMod ∧ (𝑁‘𝑇) ⊆ 𝑉 ∧ (𝑁‘𝑈) ⊆ 𝑉) ∧ 𝑈 ⊆ (𝑁‘𝑈)) → ((𝑁‘𝑇) ⊕ 𝑈) ⊆ ((𝑁‘𝑇) ⊕ (𝑁‘𝑈))) |
18 | 1, 6, 14, 16, 17 | syl31anc 1373 | . . 3 ⊢ (𝜑 → ((𝑁‘𝑇) ⊕ 𝑈) ⊆ ((𝑁‘𝑇) ⊕ (𝑁‘𝑈))) |
19 | 12, 18 | sstrd 3952 | . 2 ⊢ (𝜑 → (𝑇 ⊕ 𝑈) ⊆ ((𝑁‘𝑇) ⊕ (𝑁‘𝑈))) |
20 | 3, 4, 10 | lsmsp2 20533 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → ((𝑁‘𝑇) ⊕ (𝑁‘𝑈)) = (𝑁‘(𝑇 ∪ 𝑈))) |
21 | 1, 2, 7, 20 | syl3anc 1371 | . 2 ⊢ (𝜑 → ((𝑁‘𝑇) ⊕ (𝑁‘𝑈)) = (𝑁‘(𝑇 ∪ 𝑈))) |
22 | 19, 21 | sseqtrd 3982 | 1 ⊢ (𝜑 → (𝑇 ⊕ 𝑈) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2106 ∪ cun 3906 ⊆ wss 3908 ‘cfv 6493 (class class class)co 7353 Basecbs 17075 LSSumclsm 19407 LModclmod 20307 LSpanclspn 20417 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2707 ax-rep 5240 ax-sep 5254 ax-nul 5261 ax-pow 5318 ax-pr 5382 ax-un 7668 ax-cnex 11103 ax-resscn 11104 ax-1cn 11105 ax-icn 11106 ax-addcl 11107 ax-addrcl 11108 ax-mulcl 11109 ax-mulrcl 11110 ax-mulcom 11111 ax-addass 11112 ax-mulass 11113 ax-distr 11114 ax-i2m1 11115 ax-1ne0 11116 ax-1rid 11117 ax-rnegex 11118 ax-rrecex 11119 ax-cnre 11120 ax-pre-lttri 11121 ax-pre-lttrn 11122 ax-pre-ltadd 11123 ax-pre-mulgt0 11124 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3351 df-reu 3352 df-rab 3406 df-v 3445 df-sbc 3738 df-csb 3854 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3927 df-nul 4281 df-if 4485 df-pw 4560 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4864 df-int 4906 df-iun 4954 df-br 5104 df-opab 5166 df-mpt 5187 df-tr 5221 df-id 5529 df-eprel 5535 df-po 5543 df-so 5544 df-fr 5586 df-we 5588 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 6251 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6445 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7309 df-ov 7356 df-oprab 7357 df-mpo 7358 df-om 7799 df-1st 7917 df-2nd 7918 df-frecs 8208 df-wrecs 8239 df-recs 8313 df-rdg 8352 df-er 8644 df-en 8880 df-dom 8881 df-sdom 8882 df-pnf 11187 df-mnf 11188 df-xr 11189 df-ltxr 11190 df-le 11191 df-sub 11383 df-neg 11384 df-nn 12150 df-2 12212 df-sets 17028 df-slot 17046 df-ndx 17058 df-base 17076 df-ress 17105 df-plusg 17138 df-0g 17315 df-mgm 18489 df-sgrp 18538 df-mnd 18549 df-submnd 18594 df-grp 18743 df-minusg 18744 df-sbg 18745 df-subg 18916 df-cntz 19088 df-lsm 19409 df-cmn 19555 df-abl 19556 df-mgp 19888 df-ur 19905 df-ring 19952 df-lmod 20309 df-lss 20378 df-lsp 20418 |
This theorem is referenced by: djhsumss 39837 |
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