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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 4765 | . 2 ⊢ (𝜑 → {𝑋, 𝑌} ⊆ 𝑈) |
| 6 | lspprss.s | . . 3 ⊢ 𝑆 = (LSubSp‘𝑊) | |
| 7 | lspprss.n | . . 3 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 8 | 6, 7 | lspssp 20983 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ {𝑋, 𝑌} ⊆ 𝑈) → (𝑁‘{𝑋, 𝑌}) ⊆ 𝑈) |
| 9 | 1, 2, 5, 8 | syl3anc 1374 | 1 ⊢ (𝜑 → (𝑁‘{𝑋, 𝑌}) ⊆ 𝑈) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 ⊆ wss 3889 {cpr 4569 ‘cfv 6498 LModclmod 20855 LSubSpclss 20926 LSpanclspn 20966 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-int 4890 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-id 5526 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-0g 17404 df-mgm 18608 df-sgrp 18687 df-mnd 18703 df-grp 18912 df-lmod 20857 df-lss 20927 df-lsp 20967 |
| This theorem is referenced by: lsppratlem2 21146 dvh3dim2 41894 dvh3dim3N 41895 lclkrlem2n 41966 |
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