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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 20020 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉) → (𝑁‘𝑇) ⊆ 𝑉) |
6 | 1, 2, 5 | syl2anc 587 | . . . 4 ⊢ (𝜑 → (𝑁‘𝑇) ⊆ 𝑉) |
7 | lsmssspx.u | . . . 4 ⊢ (𝜑 → 𝑈 ⊆ 𝑉) | |
8 | 3, 4 | lspssid 20022 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉) → 𝑇 ⊆ (𝑁‘𝑇)) |
9 | 1, 2, 8 | syl2anc 587 | . . . 4 ⊢ (𝜑 → 𝑇 ⊆ (𝑁‘𝑇)) |
10 | lsmsp2.p | . . . . 5 ⊢ ⊕ = (LSSum‘𝑊) | |
11 | 3, 10 | lsmless1x 19033 | . . . 4 ⊢ (((𝑊 ∈ LMod ∧ (𝑁‘𝑇) ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) ∧ 𝑇 ⊆ (𝑁‘𝑇)) → (𝑇 ⊕ 𝑈) ⊆ ((𝑁‘𝑇) ⊕ 𝑈)) |
12 | 1, 6, 7, 9, 11 | syl31anc 1375 | . . 3 ⊢ (𝜑 → (𝑇 ⊕ 𝑈) ⊆ ((𝑁‘𝑇) ⊕ 𝑈)) |
13 | 3, 4 | lspssv 20020 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → (𝑁‘𝑈) ⊆ 𝑉) |
14 | 1, 7, 13 | syl2anc 587 | . . . 4 ⊢ (𝜑 → (𝑁‘𝑈) ⊆ 𝑉) |
15 | 3, 4 | lspssid 20022 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ (𝑁‘𝑈)) |
16 | 1, 7, 15 | syl2anc 587 | . . . 4 ⊢ (𝜑 → 𝑈 ⊆ (𝑁‘𝑈)) |
17 | 3, 10 | lsmless2x 19034 | . . . 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 1375 | . . 3 ⊢ (𝜑 → ((𝑁‘𝑇) ⊕ 𝑈) ⊆ ((𝑁‘𝑇) ⊕ (𝑁‘𝑈))) |
19 | 12, 18 | sstrd 3911 | . 2 ⊢ (𝜑 → (𝑇 ⊕ 𝑈) ⊆ ((𝑁‘𝑇) ⊕ (𝑁‘𝑈))) |
20 | 3, 4, 10 | lsmsp2 20124 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑇 ⊆ 𝑉 ∧ 𝑈 ⊆ 𝑉) → ((𝑁‘𝑇) ⊕ (𝑁‘𝑈)) = (𝑁‘(𝑇 ∪ 𝑈))) |
21 | 1, 2, 7, 20 | syl3anc 1373 | . 2 ⊢ (𝜑 → ((𝑁‘𝑇) ⊕ (𝑁‘𝑈)) = (𝑁‘(𝑇 ∪ 𝑈))) |
22 | 19, 21 | sseqtrd 3941 | 1 ⊢ (𝜑 → (𝑇 ⊕ 𝑈) ⊆ (𝑁‘(𝑇 ∪ 𝑈))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1543 ∈ wcel 2110 ∪ cun 3864 ⊆ wss 3866 ‘cfv 6380 (class class class)co 7213 Basecbs 16760 LSSumclsm 19023 LModclmod 19899 LSpanclspn 20008 |
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-er 8391 df-en 8627 df-dom 8628 df-sdom 8629 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-sets 16717 df-slot 16735 df-ndx 16745 df-base 16761 df-ress 16785 df-plusg 16815 df-0g 16946 df-mgm 18114 df-sgrp 18163 df-mnd 18174 df-submnd 18219 df-grp 18368 df-minusg 18369 df-sbg 18370 df-subg 18540 df-cntz 18711 df-lsm 19025 df-cmn 19172 df-abl 19173 df-mgp 19505 df-ur 19517 df-ring 19564 df-lmod 19901 df-lss 19969 df-lsp 20009 |
This theorem is referenced by: djhsumss 39158 |
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