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| Mirrors > Home > MPE Home > Th. List > lspprss | Structured version Visualization version GIF version | ||
| Description: The span of a pair of vectors in a subspace belongs to the subspace. (Contributed by NM, 12-Jan-2015.) |
| Ref | Expression |
|---|---|
| lspprss.s | ⊢ 𝑆 = (LSubSp‘𝑊) |
| lspprss.n | ⊢ 𝑁 = (LSpan‘𝑊) |
| lspprss.w | ⊢ (𝜑 → 𝑊 ∈ LMod) |
| lspprss.u | ⊢ (𝜑 → 𝑈 ∈ 𝑆) |
| lspprss.x | ⊢ (𝜑 → 𝑋 ∈ 𝑈) |
| lspprss.y | ⊢ (𝜑 → 𝑌 ∈ 𝑈) |
| Ref | Expression |
|---|---|
| lspprss | ⊢ (𝜑 → (𝑁‘{𝑋, 𝑌}) ⊆ 𝑈) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lspprss.w | . 2 ⊢ (𝜑 → 𝑊 ∈ LMod) | |
| 2 | lspprss.u | . 2 ⊢ (𝜑 → 𝑈 ∈ 𝑆) | |
| 3 | lspprss.x | . . 3 ⊢ (𝜑 → 𝑋 ∈ 𝑈) | |
| 4 | lspprss.y | . . 3 ⊢ (𝜑 → 𝑌 ∈ 𝑈) | |
| 5 | 3, 4 | prssd 4789 | . 2 ⊢ (𝜑 → {𝑋, 𝑌} ⊆ 𝑈) |
| 6 | lspprss.s | . . 3 ⊢ 𝑆 = (LSubSp‘𝑊) | |
| 7 | lspprss.n | . . 3 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 8 | 6, 7 | lspssp 21083 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ {𝑋, 𝑌} ⊆ 𝑈) → (𝑁‘{𝑋, 𝑌}) ⊆ 𝑈) |
| 9 | 1, 2, 5, 8 | syl3anc 1396 | 1 ⊢ (𝜑 → (𝑁‘{𝑋, 𝑌}) ⊆ 𝑈) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 ∈ wcel 2149 ⊆ wss 3913 {cpr 4593 ‘cfv 6533 LModclmod 20955 LSubSpclss 21026 LSpanclspn 21066 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5239 ax-sep 5258 ax-nul 5268 ax-pow 5334 ax-pr 5402 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-int 4914 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7365 df-ov 7411 df-0g 17490 df-mgm 18694 df-sgrp 18773 df-mnd 18789 df-grp 18999 df-lmod 20957 df-lss 21027 df-lsp 21067 |
| This theorem is referenced by: lsppratlem2 21246 dvh3dim2 42107 dvh3dim3N 42108 lclkrlem2n 42179 |
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