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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 4778 | . 2 ⊢ (𝜑 → {𝑋, 𝑌} ⊆ 𝑈) |
| 6 | lspprss.s | . . 3 ⊢ 𝑆 = (LSubSp‘𝑊) | |
| 7 | lspprss.n | . . 3 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 8 | 6, 7 | lspssp 20939 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ {𝑋, 𝑌} ⊆ 𝑈) → (𝑁‘{𝑋, 𝑌}) ⊆ 𝑈) |
| 9 | 1, 2, 5, 8 | syl3anc 1373 | 1 ⊢ (𝜑 → (𝑁‘{𝑋, 𝑌}) ⊆ 𝑈) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 ⊆ wss 3901 {cpr 4582 ‘cfv 6492 LModclmod 20811 LSubSpclss 20882 LSpanclspn 20922 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 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 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-int 4903 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-0g 17361 df-mgm 18565 df-sgrp 18644 df-mnd 18660 df-grp 18866 df-lmod 20813 df-lss 20883 df-lsp 20923 |
| This theorem is referenced by: lsppratlem2 21103 dvh3dim2 41704 dvh3dim3N 41705 lclkrlem2n 41776 |
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