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| Mirrors > Home > MPE Home > Th. List > lsppreli | Structured version Visualization version GIF version | ||
| Description: A vector expressed as a sum belongs to the span of its components. (Contributed by NM, 9-Apr-2015.) |
| Ref | Expression |
|---|---|
| lsppreli.v | ⊢ 𝑉 = (Base‘𝑊) |
| lsppreli.p | ⊢ + = (+g‘𝑊) |
| lsppreli.t | ⊢ · = ( ·𝑠 ‘𝑊) |
| lsppreli.f | ⊢ 𝐹 = (Scalar‘𝑊) |
| lsppreli.k | ⊢ 𝐾 = (Base‘𝐹) |
| lsppreli.n | ⊢ 𝑁 = (LSpan‘𝑊) |
| lsppreli.w | ⊢ (𝜑 → 𝑊 ∈ LMod) |
| lsppreli.a | ⊢ (𝜑 → 𝐴 ∈ 𝐾) |
| lsppreli.b | ⊢ (𝜑 → 𝐵 ∈ 𝐾) |
| lsppreli.x | ⊢ (𝜑 → 𝑋 ∈ 𝑉) |
| lsppreli.y | ⊢ (𝜑 → 𝑌 ∈ 𝑉) |
| Ref | Expression |
|---|---|
| lsppreli | ⊢ (𝜑 → ((𝐴 · 𝑋) + (𝐵 · 𝑌)) ∈ (𝑁‘{𝑋, 𝑌})) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lsppreli.w | . . . 4 ⊢ (𝜑 → 𝑊 ∈ LMod) | |
| 2 | lsppreli.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝑉) | |
| 3 | lsppreli.v | . . . . 5 ⊢ 𝑉 = (Base‘𝑊) | |
| 4 | lsppreli.n | . . . . 5 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 5 | 3, 4 | lspsnsubg 20908 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → (𝑁‘{𝑋}) ∈ (SubGrp‘𝑊)) |
| 6 | 1, 2, 5 | syl2anc 584 | . . 3 ⊢ (𝜑 → (𝑁‘{𝑋}) ∈ (SubGrp‘𝑊)) |
| 7 | lsppreli.y | . . . 4 ⊢ (𝜑 → 𝑌 ∈ 𝑉) | |
| 8 | 3, 4 | lspsnsubg 20908 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑌 ∈ 𝑉) → (𝑁‘{𝑌}) ∈ (SubGrp‘𝑊)) |
| 9 | 1, 7, 8 | syl2anc 584 | . . 3 ⊢ (𝜑 → (𝑁‘{𝑌}) ∈ (SubGrp‘𝑊)) |
| 10 | lsppreli.t | . . . 4 ⊢ · = ( ·𝑠 ‘𝑊) | |
| 11 | lsppreli.f | . . . 4 ⊢ 𝐹 = (Scalar‘𝑊) | |
| 12 | lsppreli.k | . . . 4 ⊢ 𝐾 = (Base‘𝐹) | |
| 13 | lsppreli.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝐾) | |
| 14 | 3, 10, 11, 12, 4, 1, 13, 2 | ellspsni 20929 | . . 3 ⊢ (𝜑 → (𝐴 · 𝑋) ∈ (𝑁‘{𝑋})) |
| 15 | lsppreli.b | . . . 4 ⊢ (𝜑 → 𝐵 ∈ 𝐾) | |
| 16 | 3, 10, 11, 12, 4, 1, 15, 7 | ellspsni 20929 | . . 3 ⊢ (𝜑 → (𝐵 · 𝑌) ∈ (𝑁‘{𝑌})) |
| 17 | lsppreli.p | . . . 4 ⊢ + = (+g‘𝑊) | |
| 18 | eqid 2731 | . . . 4 ⊢ (LSSum‘𝑊) = (LSSum‘𝑊) | |
| 19 | 17, 18 | lsmelvali 19557 | . . 3 ⊢ ((((𝑁‘{𝑋}) ∈ (SubGrp‘𝑊) ∧ (𝑁‘{𝑌}) ∈ (SubGrp‘𝑊)) ∧ ((𝐴 · 𝑋) ∈ (𝑁‘{𝑋}) ∧ (𝐵 · 𝑌) ∈ (𝑁‘{𝑌}))) → ((𝐴 · 𝑋) + (𝐵 · 𝑌)) ∈ ((𝑁‘{𝑋})(LSSum‘𝑊)(𝑁‘{𝑌}))) |
| 20 | 6, 9, 14, 16, 19 | syl22anc 838 | . 2 ⊢ (𝜑 → ((𝐴 · 𝑋) + (𝐵 · 𝑌)) ∈ ((𝑁‘{𝑋})(LSSum‘𝑊)(𝑁‘{𝑌}))) |
| 21 | 3, 4, 18, 1, 2, 7 | lsmpr 21018 | . 2 ⊢ (𝜑 → (𝑁‘{𝑋, 𝑌}) = ((𝑁‘{𝑋})(LSSum‘𝑊)(𝑁‘{𝑌}))) |
| 22 | 20, 21 | eleqtrrd 2834 | 1 ⊢ (𝜑 → ((𝐴 · 𝑋) + (𝐵 · 𝑌)) ∈ (𝑁‘{𝑋, 𝑌})) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2111 {csn 4571 {cpr 4573 ‘cfv 6476 (class class class)co 7341 Basecbs 17115 +gcplusg 17156 Scalarcsca 17159 ·𝑠 cvsca 17160 SubGrpcsubg 19028 LSSumclsm 19541 LModclmod 20788 LSpanclspn 20899 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-rep 5212 ax-sep 5229 ax-nul 5239 ax-pow 5298 ax-pr 5365 ax-un 7663 ax-cnex 11057 ax-resscn 11058 ax-1cn 11059 ax-icn 11060 ax-addcl 11061 ax-addrcl 11062 ax-mulcl 11063 ax-mulrcl 11064 ax-mulcom 11065 ax-addass 11066 ax-mulass 11067 ax-distr 11068 ax-i2m1 11069 ax-1ne0 11070 ax-1rid 11071 ax-rnegex 11072 ax-rrecex 11073 ax-cnre 11074 ax-pre-lttri 11075 ax-pre-lttrn 11076 ax-pre-ltadd 11077 ax-pre-mulgt0 11078 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-rmo 3346 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-pss 3917 df-nul 4279 df-if 4471 df-pw 4547 df-sn 4572 df-pr 4574 df-op 4578 df-uni 4855 df-int 4893 df-iun 4938 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5506 df-eprel 5511 df-po 5519 df-so 5520 df-fr 5564 df-we 5566 df-xp 5617 df-rel 5618 df-cnv 5619 df-co 5620 df-dm 5621 df-rn 5622 df-res 5623 df-ima 5624 df-pred 6243 df-ord 6304 df-on 6305 df-lim 6306 df-suc 6307 df-iota 6432 df-fun 6478 df-fn 6479 df-f 6480 df-f1 6481 df-fo 6482 df-f1o 6483 df-fv 6484 df-riota 7298 df-ov 7344 df-oprab 7345 df-mpo 7346 df-om 7792 df-1st 7916 df-2nd 7917 df-frecs 8206 df-wrecs 8237 df-recs 8286 df-rdg 8324 df-er 8617 df-en 8865 df-dom 8866 df-sdom 8867 df-pnf 11143 df-mnf 11144 df-xr 11145 df-ltxr 11146 df-le 11147 df-sub 11341 df-neg 11342 df-nn 12121 df-2 12183 df-sets 17070 df-slot 17088 df-ndx 17100 df-base 17116 df-ress 17137 df-plusg 17169 df-0g 17340 df-mgm 18543 df-sgrp 18622 df-mnd 18638 df-submnd 18687 df-grp 18844 df-minusg 18845 df-sbg 18846 df-subg 19031 df-cntz 19224 df-lsm 19543 df-cmn 19689 df-abl 19690 df-mgp 20054 df-ur 20095 df-ring 20148 df-lmod 20790 df-lss 20860 df-lsp 20900 |
| This theorem is referenced by: lspexch 21061 baerlem3lem1 41746 baerlem5alem1 41747 baerlem5blem1 41748 |
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