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| Mirrors > Home > ILE Home > Th. List > lspsn | GIF version | ||
| Description: Span of the singleton of a vector. (Contributed by NM, 14-Jan-2014.) (Proof shortened by Mario Carneiro, 19-Jun-2014.) |
| Ref | Expression |
|---|---|
| lspsn.f | ⊢ 𝐹 = (Scalar‘𝑊) |
| lspsn.k | ⊢ 𝐾 = (Base‘𝐹) |
| lspsn.v | ⊢ 𝑉 = (Base‘𝑊) |
| lspsn.t | ⊢ · = ( ·𝑠 ‘𝑊) |
| lspsn.n | ⊢ 𝑁 = (LSpan‘𝑊) |
| Ref | Expression |
|---|---|
| lspsn | ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → (𝑁‘{𝑋}) = {𝑣 ∣ ∃𝑘 ∈ 𝐾 𝑣 = (𝑘 · 𝑋)}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2206 | . . 3 ⊢ (LSubSp‘𝑊) = (LSubSp‘𝑊) | |
| 2 | lspsn.n | . . 3 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 3 | simpl 109 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → 𝑊 ∈ LMod) | |
| 4 | lspsn.v | . . . 4 ⊢ 𝑉 = (Base‘𝑊) | |
| 5 | lspsn.f | . . . 4 ⊢ 𝐹 = (Scalar‘𝑊) | |
| 6 | lspsn.t | . . . 4 ⊢ · = ( ·𝑠 ‘𝑊) | |
| 7 | lspsn.k | . . . 4 ⊢ 𝐾 = (Base‘𝐹) | |
| 8 | 4, 5, 6, 7, 1 | lss1d 14230 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → {𝑣 ∣ ∃𝑘 ∈ 𝐾 𝑣 = (𝑘 · 𝑋)} ∈ (LSubSp‘𝑊)) |
| 9 | eqid 2206 | . . . . . 6 ⊢ (1r‘𝐹) = (1r‘𝐹) | |
| 10 | 5, 7, 9 | lmod1cl 14162 | . . . . 5 ⊢ (𝑊 ∈ LMod → (1r‘𝐹) ∈ 𝐾) |
| 11 | 4, 5, 6, 9 | lmodvs1 14163 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → ((1r‘𝐹) · 𝑋) = 𝑋) |
| 12 | 11 | eqcomd 2212 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → 𝑋 = ((1r‘𝐹) · 𝑋)) |
| 13 | oveq1 5969 | . . . . . 6 ⊢ (𝑘 = (1r‘𝐹) → (𝑘 · 𝑋) = ((1r‘𝐹) · 𝑋)) | |
| 14 | 13 | rspceeqv 2899 | . . . . 5 ⊢ (((1r‘𝐹) ∈ 𝐾 ∧ 𝑋 = ((1r‘𝐹) · 𝑋)) → ∃𝑘 ∈ 𝐾 𝑋 = (𝑘 · 𝑋)) |
| 15 | 10, 12, 14 | syl2an2r 595 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → ∃𝑘 ∈ 𝐾 𝑋 = (𝑘 · 𝑋)) |
| 16 | eqeq1 2213 | . . . . . . 7 ⊢ (𝑣 = 𝑋 → (𝑣 = (𝑘 · 𝑋) ↔ 𝑋 = (𝑘 · 𝑋))) | |
| 17 | 16 | rexbidv 2508 | . . . . . 6 ⊢ (𝑣 = 𝑋 → (∃𝑘 ∈ 𝐾 𝑣 = (𝑘 · 𝑋) ↔ ∃𝑘 ∈ 𝐾 𝑋 = (𝑘 · 𝑋))) |
| 18 | 17 | elabg 2923 | . . . . 5 ⊢ (𝑋 ∈ 𝑉 → (𝑋 ∈ {𝑣 ∣ ∃𝑘 ∈ 𝐾 𝑣 = (𝑘 · 𝑋)} ↔ ∃𝑘 ∈ 𝐾 𝑋 = (𝑘 · 𝑋))) |
| 19 | 18 | adantl 277 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → (𝑋 ∈ {𝑣 ∣ ∃𝑘 ∈ 𝐾 𝑣 = (𝑘 · 𝑋)} ↔ ∃𝑘 ∈ 𝐾 𝑋 = (𝑘 · 𝑋))) |
| 20 | 15, 19 | mpbird 167 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → 𝑋 ∈ {𝑣 ∣ ∃𝑘 ∈ 𝐾 𝑣 = (𝑘 · 𝑋)}) |
| 21 | 1, 2, 3, 8, 20 | lspsnel5a 14257 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → (𝑁‘{𝑋}) ⊆ {𝑣 ∣ ∃𝑘 ∈ 𝐾 𝑣 = (𝑘 · 𝑋)}) |
| 22 | 3 | adantr 276 | . . . . . 6 ⊢ (((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) ∧ 𝑘 ∈ 𝐾) → 𝑊 ∈ LMod) |
| 23 | 4, 1, 2 | lspsncl 14239 | . . . . . . 7 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → (𝑁‘{𝑋}) ∈ (LSubSp‘𝑊)) |
| 24 | 23 | adantr 276 | . . . . . 6 ⊢ (((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) ∧ 𝑘 ∈ 𝐾) → (𝑁‘{𝑋}) ∈ (LSubSp‘𝑊)) |
| 25 | simpr 110 | . . . . . 6 ⊢ (((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) ∧ 𝑘 ∈ 𝐾) → 𝑘 ∈ 𝐾) | |
| 26 | 4, 2 | lspsnid 14254 | . . . . . . 7 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → 𝑋 ∈ (𝑁‘{𝑋})) |
| 27 | 26 | adantr 276 | . . . . . 6 ⊢ (((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) ∧ 𝑘 ∈ 𝐾) → 𝑋 ∈ (𝑁‘{𝑋})) |
| 28 | 5, 6, 7, 1 | lssvscl 14222 | . . . . . 6 ⊢ (((𝑊 ∈ LMod ∧ (𝑁‘{𝑋}) ∈ (LSubSp‘𝑊)) ∧ (𝑘 ∈ 𝐾 ∧ 𝑋 ∈ (𝑁‘{𝑋}))) → (𝑘 · 𝑋) ∈ (𝑁‘{𝑋})) |
| 29 | 22, 24, 25, 27, 28 | syl22anc 1251 | . . . . 5 ⊢ (((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) ∧ 𝑘 ∈ 𝐾) → (𝑘 · 𝑋) ∈ (𝑁‘{𝑋})) |
| 30 | eleq1a 2278 | . . . . 5 ⊢ ((𝑘 · 𝑋) ∈ (𝑁‘{𝑋}) → (𝑣 = (𝑘 · 𝑋) → 𝑣 ∈ (𝑁‘{𝑋}))) | |
| 31 | 29, 30 | syl 14 | . . . 4 ⊢ (((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) ∧ 𝑘 ∈ 𝐾) → (𝑣 = (𝑘 · 𝑋) → 𝑣 ∈ (𝑁‘{𝑋}))) |
| 32 | 31 | rexlimdva 2624 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → (∃𝑘 ∈ 𝐾 𝑣 = (𝑘 · 𝑋) → 𝑣 ∈ (𝑁‘{𝑋}))) |
| 33 | 32 | abssdv 3271 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → {𝑣 ∣ ∃𝑘 ∈ 𝐾 𝑣 = (𝑘 · 𝑋)} ⊆ (𝑁‘{𝑋})) |
| 34 | 21, 33 | eqssd 3214 | 1 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → (𝑁‘{𝑋}) = {𝑣 ∣ ∃𝑘 ∈ 𝐾 𝑣 = (𝑘 · 𝑋)}) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 = wceq 1373 ∈ wcel 2177 {cab 2192 ∃wrex 2486 {csn 3638 ‘cfv 5285 (class class class)co 5962 Basecbs 12917 Scalarcsca 12997 ·𝑠 cvsca 12998 1rcur 13806 LModclmod 14134 LSubSpclss 14199 LSpanclspn 14233 |
| 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-in1 615 ax-in2 616 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2179 ax-14 2180 ax-ext 2188 ax-coll 4170 ax-sep 4173 ax-pow 4229 ax-pr 4264 ax-un 4493 ax-setind 4598 ax-cnex 8046 ax-resscn 8047 ax-1cn 8048 ax-1re 8049 ax-icn 8050 ax-addcl 8051 ax-addrcl 8052 ax-mulcl 8053 ax-addcom 8055 ax-addass 8057 ax-i2m1 8060 ax-0lt1 8061 ax-0id 8063 ax-rnegex 8064 ax-pre-ltirr 8067 ax-pre-ltadd 8071 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ne 2378 df-nel 2473 df-ral 2490 df-rex 2491 df-reu 2492 df-rmo 2493 df-rab 2494 df-v 2775 df-sbc 3003 df-csb 3098 df-dif 3172 df-un 3174 df-in 3176 df-ss 3183 df-nul 3465 df-pw 3623 df-sn 3644 df-pr 3645 df-op 3647 df-uni 3860 df-int 3895 df-iun 3938 df-br 4055 df-opab 4117 df-mpt 4118 df-id 4353 df-xp 4694 df-rel 4695 df-cnv 4696 df-co 4697 df-dm 4698 df-rn 4699 df-res 4700 df-ima 4701 df-iota 5246 df-fun 5287 df-fn 5288 df-f 5289 df-f1 5290 df-fo 5291 df-f1o 5292 df-fv 5293 df-riota 5917 df-ov 5965 df-oprab 5966 df-mpo 5967 df-1st 6244 df-2nd 6245 df-pnf 8139 df-mnf 8140 df-ltxr 8142 df-inn 9067 df-2 9125 df-3 9126 df-4 9127 df-5 9128 df-6 9129 df-ndx 12920 df-slot 12921 df-base 12923 df-sets 12924 df-plusg 13007 df-mulr 13008 df-sca 13010 df-vsca 13011 df-0g 13175 df-mgm 13273 df-sgrp 13319 df-mnd 13334 df-grp 13420 df-minusg 13421 df-sbg 13422 df-mgp 13768 df-ur 13807 df-ring 13845 df-lmod 14136 df-lssm 14200 df-lsp 14234 |
| This theorem is referenced by: ellspsn 14264 |
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