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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 14728 | . . 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 13413 | . . . . . 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 5712 | . . . . . . 7 ⊢ ((Fun Base ∧ 𝑊 ∈ dom Base) → (Base‘𝑊) ∈ V) | |
| 11 | 10 | funfni 5483 | . . . . . 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 4292 | . . . 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 5844 | 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 5372 ⟶wf 5373 ‘cfv 5377 Basecbs 13354 LModclmod 14625 LSubSpclss 14691 LSpanclspn 14725 |
| 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 4246 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8270 ax-resscn 8271 ax-1cn 8272 ax-1re 8273 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-addcom 8279 ax-addass 8281 ax-i2m1 8284 ax-0lt1 8285 ax-0id 8287 ax-rnegex 8288 ax-pre-ltirr 8291 ax-pre-ltadd 8295 |
| 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 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-f1 5382 df-fo 5383 df-f1o 5384 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-1st 6374 df-2nd 6375 df-pnf 8362 df-mnf 8363 df-ltxr 8365 df-inn 9306 df-2 9364 df-3 9365 df-4 9366 df-5 9367 df-6 9368 df-ndx 13357 df-slot 13358 df-base 13360 df-sets 13361 df-plusg 13446 df-mulr 13447 df-sca 13449 df-vsca 13450 df-0g 13614 df-mgm 13678 df-sgrp 13719 df-mnd 13732 df-grp 13810 df-minusg 13811 df-sbg 13812 df-mgp 14220 df-ur 14265 df-ring 14304 df-lmod 14627 df-lssm 14692 df-lsp 14726 |
| This theorem is used by: lspsncl 14731 lspprcl 14732 lsptpcl 14733 lspssv 14737 lspidm 14740 lspsnvsi 14757 lsp0 14762 lspun0 14764 lsslsp 14768 rspcl 14830 |
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