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| Mirrors > Home > ILE Home > Th. List > lspcl | GIF version | ||
| Description: The span of a set of vectors is a subspace. (Contributed by NM, 9-Dec-2013.) (Revised by Mario Carneiro, 19-Jun-2014.) |
| Ref | Expression |
|---|---|
| lspval.v | ⊢ 𝑉 = (Base‘𝑊) |
| lspval.s | ⊢ 𝑆 = (LSubSp‘𝑊) |
| lspval.n | ⊢ 𝑁 = (LSpan‘𝑊) |
| Ref | Expression |
|---|---|
| lspcl | ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → (𝑁‘𝑈) ∈ 𝑆) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lspval.v | . . . 4 ⊢ 𝑉 = (Base‘𝑊) | |
| 2 | lspval.s | . . . 4 ⊢ 𝑆 = (LSubSp‘𝑊) | |
| 3 | lspval.n | . . . 4 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 4 | 1, 2, 3 | lspf 14836 | . . 3 ⊢ (𝑊 ∈ LMod → 𝑁:𝒫 𝑉⟶𝑆) |
| 5 | 4 | adantr 276 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → 𝑁:𝒫 𝑉⟶𝑆) |
| 6 | simpr 110 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → 𝑈 ⊆ 𝑉) | |
| 7 | basfn 13470 | . . . . . 6 ⊢ Base Fn V | |
| 8 | elex 2833 | . . . . . . 7 ⊢ (𝑊 ∈ LMod → 𝑊 ∈ V) | |
| 9 | 8 | adantr 276 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → 𝑊 ∈ V) |
| 10 | funfvex 5715 | . . . . . . 7 ⊢ ((Fun Base ∧ 𝑊 ∈ dom Base) → (Base‘𝑊) ∈ V) | |
| 11 | 10 | funfni 5486 | . . . . . 6 ⊢ ((Base Fn V ∧ 𝑊 ∈ V) → (Base‘𝑊) ∈ V) |
| 12 | 7, 9, 11 | sylancr 418 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → (Base‘𝑊) ∈ V) |
| 13 | 1, 12 | eqeltrid 2325 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → 𝑉 ∈ V) |
| 14 | elpw2g 4294 | . . . 4 ⊢ (𝑉 ∈ V → (𝑈 ∈ 𝒫 𝑉 ↔ 𝑈 ⊆ 𝑉)) | |
| 15 | 13, 14 | syl 14 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → (𝑈 ∈ 𝒫 𝑉 ↔ 𝑈 ⊆ 𝑉)) |
| 16 | 6, 15 | mpbird 167 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → 𝑈 ∈ 𝒫 𝑉) |
| 17 | 5, 16 | ffvelcdmd 5847 | 1 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ 𝑉) → (𝑁‘𝑈) ∈ 𝑆) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 ↔ wb 105 = wceq 1402 ∈ wcel 2209 Vcvv 2821 ⊆ wss 3220 𝒫 cpw 3688 Fn wfn 5375 ⟶wf 5376 ‘cfv 5380 Basecbs 13411 LModclmod 14733 LSubSpclss 14799 LSpanclspn 14833 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4248 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8277 ax-resscn 8278 ax-1cn 8279 ax-1re 8280 ax-icn 8281 ax-addcl 8282 ax-addrcl 8283 ax-mulcl 8284 ax-addcom 8286 ax-addass 8288 ax-i2m1 8291 ax-0lt1 8292 ax-0id 8294 ax-rnegex 8295 ax-pre-ltirr 8298 ax-pre-ltadd 8302 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-fo 5386 df-f1o 5387 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-1st 6378 df-2nd 6379 df-pnf 8369 df-mnf 8370 df-ltxr 8372 df-inn 9315 df-2 9373 df-3 9374 df-4 9375 df-5 9376 df-6 9377 df-ndx 13414 df-slot 13415 df-base 13417 df-sets 13418 df-plusg 13504 df-mulr 13505 df-sca 13507 df-vsca 13508 df-0g 13672 df-mgm 13736 df-sgrp 13777 df-mnd 13790 df-grp 13868 df-minusg 13869 df-sbg 13870 df-mgp 14326 df-ur 14371 df-ring 14410 df-lmod 14735 df-lssm 14800 df-lsp 14834 |
| This theorem is used by: lspsncl 14839 lspprcl 14840 lsptpcl 14841 lspssv 14845 lspidm 14848 lspsnvsi 14865 lsp0 14870 lspun0 14872 lsslsp 14876 rspcl 14938 |
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