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Mirrors > Home > MPE Home > Th. List > lspprel | Structured version Visualization version GIF version |
Description: Member of the span of a pair of vectors. (Contributed by NM, 10-Apr-2015.) |
Ref | Expression |
---|---|
lsppr.v | ⊢ 𝑉 = (Base‘𝑊) |
lsppr.a | ⊢ + = (+g‘𝑊) |
lsppr.f | ⊢ 𝐹 = (Scalar‘𝑊) |
lsppr.k | ⊢ 𝐾 = (Base‘𝐹) |
lsppr.t | ⊢ · = ( ·𝑠 ‘𝑊) |
lsppr.n | ⊢ 𝑁 = (LSpan‘𝑊) |
lsppr.w | ⊢ (𝜑 → 𝑊 ∈ LMod) |
lsppr.x | ⊢ (𝜑 → 𝑋 ∈ 𝑉) |
lsppr.y | ⊢ (𝜑 → 𝑌 ∈ 𝑉) |
Ref | Expression |
---|---|
lspprel | ⊢ (𝜑 → (𝑍 ∈ (𝑁‘{𝑋, 𝑌}) ↔ ∃𝑘 ∈ 𝐾 ∃𝑙 ∈ 𝐾 𝑍 = ((𝑘 · 𝑋) + (𝑙 · 𝑌)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lsppr.v | . . . 4 ⊢ 𝑉 = (Base‘𝑊) | |
2 | lsppr.a | . . . 4 ⊢ + = (+g‘𝑊) | |
3 | lsppr.f | . . . 4 ⊢ 𝐹 = (Scalar‘𝑊) | |
4 | lsppr.k | . . . 4 ⊢ 𝐾 = (Base‘𝐹) | |
5 | lsppr.t | . . . 4 ⊢ · = ( ·𝑠 ‘𝑊) | |
6 | lsppr.n | . . . 4 ⊢ 𝑁 = (LSpan‘𝑊) | |
7 | lsppr.w | . . . 4 ⊢ (𝜑 → 𝑊 ∈ LMod) | |
8 | lsppr.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝑉) | |
9 | lsppr.y | . . . 4 ⊢ (𝜑 → 𝑌 ∈ 𝑉) | |
10 | 1, 2, 3, 4, 5, 6, 7, 8, 9 | lsppr 19865 | . . 3 ⊢ (𝜑 → (𝑁‘{𝑋, 𝑌}) = {𝑣 ∣ ∃𝑘 ∈ 𝐾 ∃𝑙 ∈ 𝐾 𝑣 = ((𝑘 · 𝑋) + (𝑙 · 𝑌))}) |
11 | 10 | eleq2d 2898 | . 2 ⊢ (𝜑 → (𝑍 ∈ (𝑁‘{𝑋, 𝑌}) ↔ 𝑍 ∈ {𝑣 ∣ ∃𝑘 ∈ 𝐾 ∃𝑙 ∈ 𝐾 𝑣 = ((𝑘 · 𝑋) + (𝑙 · 𝑌))})) |
12 | id 22 | . . . . . 6 ⊢ (𝑍 = ((𝑘 · 𝑋) + (𝑙 · 𝑌)) → 𝑍 = ((𝑘 · 𝑋) + (𝑙 · 𝑌))) | |
13 | ovex 7189 | . . . . . 6 ⊢ ((𝑘 · 𝑋) + (𝑙 · 𝑌)) ∈ V | |
14 | 12, 13 | eqeltrdi 2921 | . . . . 5 ⊢ (𝑍 = ((𝑘 · 𝑋) + (𝑙 · 𝑌)) → 𝑍 ∈ V) |
15 | 14 | rexlimivw 3282 | . . . 4 ⊢ (∃𝑙 ∈ 𝐾 𝑍 = ((𝑘 · 𝑋) + (𝑙 · 𝑌)) → 𝑍 ∈ V) |
16 | 15 | rexlimivw 3282 | . . 3 ⊢ (∃𝑘 ∈ 𝐾 ∃𝑙 ∈ 𝐾 𝑍 = ((𝑘 · 𝑋) + (𝑙 · 𝑌)) → 𝑍 ∈ V) |
17 | eqeq1 2825 | . . . 4 ⊢ (𝑣 = 𝑍 → (𝑣 = ((𝑘 · 𝑋) + (𝑙 · 𝑌)) ↔ 𝑍 = ((𝑘 · 𝑋) + (𝑙 · 𝑌)))) | |
18 | 17 | 2rexbidv 3300 | . . 3 ⊢ (𝑣 = 𝑍 → (∃𝑘 ∈ 𝐾 ∃𝑙 ∈ 𝐾 𝑣 = ((𝑘 · 𝑋) + (𝑙 · 𝑌)) ↔ ∃𝑘 ∈ 𝐾 ∃𝑙 ∈ 𝐾 𝑍 = ((𝑘 · 𝑋) + (𝑙 · 𝑌)))) |
19 | 16, 18 | elab3 3674 | . 2 ⊢ (𝑍 ∈ {𝑣 ∣ ∃𝑘 ∈ 𝐾 ∃𝑙 ∈ 𝐾 𝑣 = ((𝑘 · 𝑋) + (𝑙 · 𝑌))} ↔ ∃𝑘 ∈ 𝐾 ∃𝑙 ∈ 𝐾 𝑍 = ((𝑘 · 𝑋) + (𝑙 · 𝑌))) |
20 | 11, 19 | syl6bb 289 | 1 ⊢ (𝜑 → (𝑍 ∈ (𝑁‘{𝑋, 𝑌}) ↔ ∃𝑘 ∈ 𝐾 ∃𝑙 ∈ 𝐾 𝑍 = ((𝑘 · 𝑋) + (𝑙 · 𝑌)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 = wceq 1537 ∈ wcel 2114 {cab 2799 ∃wrex 3139 Vcvv 3494 {cpr 4569 ‘cfv 6355 (class class class)co 7156 Basecbs 16483 +gcplusg 16565 Scalarcsca 16568 ·𝑠 cvsca 16569 LModclmod 19634 LSpanclspn 19743 |
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 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-rep 5190 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-int 4877 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7581 df-1st 7689 df-2nd 7690 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-nn 11639 df-2 11701 df-ndx 16486 df-slot 16487 df-base 16489 df-sets 16490 df-ress 16491 df-plusg 16578 df-0g 16715 df-mgm 17852 df-sgrp 17901 df-mnd 17912 df-submnd 17957 df-grp 18106 df-minusg 18107 df-sbg 18108 df-subg 18276 df-cntz 18447 df-lsm 18761 df-cmn 18908 df-abl 18909 df-mgp 19240 df-ur 19252 df-ring 19299 df-lmod 19636 df-lss 19704 df-lsp 19744 |
This theorem is referenced by: lspfixed 19900 lspexch 19901 ccfldextdgrr 31057 |
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