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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 | . . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝑈) | |
4 | lspprss.y | . . . 4 ⊢ (𝜑 → 𝑌 ∈ 𝑈) | |
5 | 3, 4 | jca 554 | . . 3 ⊢ (𝜑 → (𝑋 ∈ 𝑈 ∧ 𝑌 ∈ 𝑈)) |
6 | prssg 4350 | . . . 4 ⊢ ((𝑋 ∈ 𝑈 ∧ 𝑌 ∈ 𝑈) → ((𝑋 ∈ 𝑈 ∧ 𝑌 ∈ 𝑈) ↔ {𝑋, 𝑌} ⊆ 𝑈)) | |
7 | 5, 6 | syl 17 | . . 3 ⊢ (𝜑 → ((𝑋 ∈ 𝑈 ∧ 𝑌 ∈ 𝑈) ↔ {𝑋, 𝑌} ⊆ 𝑈)) |
8 | 5, 7 | mpbid 222 | . 2 ⊢ (𝜑 → {𝑋, 𝑌} ⊆ 𝑈) |
9 | lspprss.s | . . 3 ⊢ 𝑆 = (LSubSp‘𝑊) | |
10 | lspprss.n | . . 3 ⊢ 𝑁 = (LSpan‘𝑊) | |
11 | 9, 10 | lspssp 18988 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ {𝑋, 𝑌} ⊆ 𝑈) → (𝑁‘{𝑋, 𝑌}) ⊆ 𝑈) |
12 | 1, 2, 8, 11 | syl3anc 1326 | 1 ⊢ (𝜑 → (𝑁‘{𝑋, 𝑌}) ⊆ 𝑈) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 ∧ wa 384 = wceq 1483 ∈ wcel 1990 ⊆ wss 3574 {cpr 4179 ‘cfv 5888 LModclmod 18863 LSubSpclss 18932 LSpanclspn 18971 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-int 4476 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-riota 6611 df-ov 6653 df-0g 16102 df-mgm 17242 df-sgrp 17284 df-mnd 17295 df-grp 17425 df-lmod 18865 df-lss 18933 df-lsp 18972 |
This theorem is referenced by: lsppratlem2 19148 dvh3dim2 36737 dvh3dim3N 36738 lclkrlem2n 36809 |
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