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| Mirrors > Home > ILE Home > Th. List > lspprss | 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 3806 | . 2 ⊢ (𝜑 → {𝑋, 𝑌} ⊆ 𝑈) |
| 6 | lspprss.s | . . 3 ⊢ 𝑆 = (LSubSp‘𝑊) | |
| 7 | lspprss.n | . . 3 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 8 | 6, 7 | lspssp 14332 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ {𝑋, 𝑌} ⊆ 𝑈) → (𝑁‘{𝑋, 𝑌}) ⊆ 𝑈) |
| 9 | 1, 2, 5, 8 | syl3anc 1252 | 1 ⊢ (𝜑 → (𝑁‘{𝑋, 𝑌}) ⊆ 𝑈) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1375 ∈ wcel 2180 ⊆ wss 3177 {cpr 3647 ‘cfv 5294 LModclmod 14216 LSubSpclss 14281 LSpanclspn 14315 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 713 ax-5 1473 ax-7 1474 ax-gen 1475 ax-ie1 1519 ax-ie2 1520 ax-8 1530 ax-10 1531 ax-11 1532 ax-i12 1533 ax-bndl 1535 ax-4 1536 ax-17 1552 ax-i9 1556 ax-ial 1560 ax-i5r 1561 ax-13 2182 ax-14 2183 ax-ext 2191 ax-coll 4178 ax-sep 4181 ax-pow 4237 ax-pr 4272 ax-un 4501 ax-cnex 8058 ax-resscn 8059 ax-1re 8061 ax-addrcl 8064 |
| This theorem depends on definitions: df-bi 117 df-3an 985 df-tru 1378 df-nf 1487 df-sb 1789 df-eu 2060 df-mo 2061 df-clab 2196 df-cleq 2202 df-clel 2205 df-nfc 2341 df-ral 2493 df-rex 2494 df-reu 2495 df-rmo 2496 df-rab 2497 df-v 2781 df-sbc 3009 df-csb 3105 df-un 3181 df-in 3183 df-ss 3190 df-pw 3631 df-sn 3652 df-pr 3653 df-op 3655 df-uni 3868 df-int 3903 df-iun 3946 df-br 4063 df-opab 4125 df-mpt 4126 df-id 4361 df-xp 4702 df-rel 4703 df-cnv 4704 df-co 4705 df-dm 4706 df-rn 4707 df-res 4708 df-ima 4709 df-iota 5254 df-fun 5296 df-fn 5297 df-f 5298 df-f1 5299 df-fo 5300 df-f1o 5301 df-fv 5302 df-riota 5927 df-ov 5977 df-inn 9079 df-2 9137 df-3 9138 df-4 9139 df-5 9140 df-6 9141 df-ndx 13001 df-slot 13002 df-base 13004 df-plusg 13089 df-mulr 13090 df-sca 13092 df-vsca 13093 df-0g 13257 df-mgm 13355 df-sgrp 13401 df-mnd 13416 df-grp 13502 df-lmod 14218 df-lssm 14282 df-lsp 14316 |
| This theorem is referenced by: (None) |
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