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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 4777 | . 2 ⊢ (𝜑 → {𝑋, 𝑌} ⊆ 𝑈) |
| 6 | lspprss.s | . . 3 ⊢ 𝑆 = (LSubSp‘𝑊) | |
| 7 | lspprss.n | . . 3 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 8 | 6, 7 | lspssp 21042 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ {𝑋, 𝑌} ⊆ 𝑈) → (𝑁‘{𝑋, 𝑌}) ⊆ 𝑈) |
| 9 | 1, 2, 5, 8 | syl3anc 1389 | 1 ⊢ (𝜑 → (𝑁‘{𝑋, 𝑌}) ⊆ 𝑈) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1559 ∈ wcel 2141 ⊆ wss 3902 {cpr 4581 ‘cfv 6515 LModclmod 20914 LSubSpclss 20985 LSpanclspn 21025 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5224 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-int 4903 df-iun 4948 df-br 5098 df-opab 5160 df-mpt 5179 df-id 5538 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-iota 6471 df-fun 6517 df-fn 6518 df-f 6519 df-f1 6520 df-fo 6521 df-f1o 6522 df-fv 6523 df-riota 7347 df-ov 7393 df-0g 17460 df-mgm 18664 df-sgrp 18743 df-mnd 18759 df-grp 18968 df-lmod 20916 df-lss 20986 df-lsp 21026 |
| This theorem is referenced by: lsppratlem2 21205 dvh3dim2 42032 dvh3dim3N 42033 lclkrlem2n 42104 |
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