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| Mirrors > Home > ILE Home > Th. List > lspssp | GIF version | ||
| Description: If a set of vectors is a subset of a subspace, then the span of those vectors is also contained in the subspace. (Contributed by Mario Carneiro, 4-Sep-2014.) |
| Ref | Expression |
|---|---|
| lspssp.s | ⊢ 𝑆 = (LSubSp‘𝑊) |
| lspssp.n | ⊢ 𝑁 = (LSpan‘𝑊) |
| Ref | Expression |
|---|---|
| lspssp | ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ 𝑇 ⊆ 𝑈) → (𝑁‘𝑇) ⊆ 𝑈) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2206 | . . . . 5 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
| 2 | lspssp.s | . . . . 5 ⊢ 𝑆 = (LSubSp‘𝑊) | |
| 3 | 1, 2 | lssssg 14192 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆) → 𝑈 ⊆ (Base‘𝑊)) |
| 4 | 3 | 3adant3 1020 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ 𝑇 ⊆ 𝑈) → 𝑈 ⊆ (Base‘𝑊)) |
| 5 | lspssp.n | . . . 4 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 6 | 1, 5 | lspss 14231 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ⊆ (Base‘𝑊) ∧ 𝑇 ⊆ 𝑈) → (𝑁‘𝑇) ⊆ (𝑁‘𝑈)) |
| 7 | 4, 6 | syld3an2 1297 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ 𝑇 ⊆ 𝑈) → (𝑁‘𝑇) ⊆ (𝑁‘𝑈)) |
| 8 | 2, 5 | lspid 14229 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆) → (𝑁‘𝑈) = 𝑈) |
| 9 | 8 | 3adant3 1020 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ 𝑇 ⊆ 𝑈) → (𝑁‘𝑈) = 𝑈) |
| 10 | 7, 9 | sseqtrd 3235 | 1 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ 𝑇 ⊆ 𝑈) → (𝑁‘𝑇) ⊆ 𝑈) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ w3a 981 = wceq 1373 ∈ wcel 2177 ⊆ wss 3170 ‘cfv 5279 Basecbs 12902 LModclmod 14119 LSubSpclss 14184 LSpanclspn 14218 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2179 ax-14 2180 ax-ext 2188 ax-coll 4166 ax-sep 4169 ax-pow 4225 ax-pr 4260 ax-un 4487 ax-cnex 8031 ax-resscn 8032 ax-1re 8034 ax-addrcl 8037 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ral 2490 df-rex 2491 df-reu 2492 df-rmo 2493 df-rab 2494 df-v 2775 df-sbc 3003 df-csb 3098 df-un 3174 df-in 3176 df-ss 3183 df-pw 3622 df-sn 3643 df-pr 3644 df-op 3646 df-uni 3856 df-int 3891 df-iun 3934 df-br 4051 df-opab 4113 df-mpt 4114 df-id 4347 df-xp 4688 df-rel 4689 df-cnv 4690 df-co 4691 df-dm 4692 df-rn 4693 df-res 4694 df-ima 4695 df-iota 5240 df-fun 5281 df-fn 5282 df-f 5283 df-f1 5284 df-fo 5285 df-f1o 5286 df-fv 5287 df-riota 5911 df-ov 5959 df-inn 9052 df-2 9110 df-3 9111 df-4 9112 df-5 9113 df-6 9114 df-ndx 12905 df-slot 12906 df-base 12908 df-plusg 12992 df-mulr 12993 df-sca 12995 df-vsca 12996 df-0g 13160 df-mgm 13258 df-sgrp 13304 df-mnd 13319 df-grp 13405 df-lmod 14121 df-lssm 14185 df-lsp 14219 |
| This theorem is referenced by: lspsnss 14236 lspprss 14238 lsp0 14255 lsslsp 14261 rspssp 14326 |
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