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| Mirrors > Home > MPE Home > Th. List > Mathboxes > lshpkr | Structured version Visualization version GIF version | ||
| Description: The kernel of functional 𝐺 is the hyperplane defining it. (Contributed by NM, 17-Jul-2014.) | 
| Ref | Expression | 
|---|---|
| lshpkr.v | ⊢ 𝑉 = (Base‘𝑊) | 
| lshpkr.a | ⊢ + = (+g‘𝑊) | 
| lshpkr.n | ⊢ 𝑁 = (LSpan‘𝑊) | 
| lshpkr.p | ⊢ ⊕ = (LSSum‘𝑊) | 
| lshpkr.h | ⊢ 𝐻 = (LSHyp‘𝑊) | 
| lshpkr.w | ⊢ (𝜑 → 𝑊 ∈ LVec) | 
| lshpkr.u | ⊢ (𝜑 → 𝑈 ∈ 𝐻) | 
| lshpkr.z | ⊢ (𝜑 → 𝑍 ∈ 𝑉) | 
| lshpkr.e | ⊢ (𝜑 → (𝑈 ⊕ (𝑁‘{𝑍})) = 𝑉) | 
| lshpkr.d | ⊢ 𝐷 = (Scalar‘𝑊) | 
| lshpkr.k | ⊢ 𝐾 = (Base‘𝐷) | 
| lshpkr.t | ⊢ · = ( ·𝑠 ‘𝑊) | 
| lshpkr.g | ⊢ 𝐺 = (𝑥 ∈ 𝑉 ↦ (℩𝑘 ∈ 𝐾 ∃𝑦 ∈ 𝑈 𝑥 = (𝑦 + (𝑘 · 𝑍)))) | 
| lshpkr.l | ⊢ 𝐿 = (LKer‘𝑊) | 
| Ref | Expression | 
|---|---|
| lshpkr | ⊢ (𝜑 → (𝐿‘𝐺) = 𝑈) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | lshpkr.v | . . . . 5 ⊢ 𝑉 = (Base‘𝑊) | |
| 2 | eqid 2737 | . . . . 5 ⊢ (LFnl‘𝑊) = (LFnl‘𝑊) | |
| 3 | lshpkr.l | . . . . 5 ⊢ 𝐿 = (LKer‘𝑊) | |
| 4 | lshpkr.w | . . . . . 6 ⊢ (𝜑 → 𝑊 ∈ LVec) | |
| 5 | lveclmod 21105 | . . . . . 6 ⊢ (𝑊 ∈ LVec → 𝑊 ∈ LMod) | |
| 6 | 4, 5 | syl 17 | . . . . 5 ⊢ (𝜑 → 𝑊 ∈ LMod) | 
| 7 | lshpkr.a | . . . . . 6 ⊢ + = (+g‘𝑊) | |
| 8 | lshpkr.n | . . . . . 6 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 9 | lshpkr.p | . . . . . 6 ⊢ ⊕ = (LSSum‘𝑊) | |
| 10 | lshpkr.h | . . . . . 6 ⊢ 𝐻 = (LSHyp‘𝑊) | |
| 11 | lshpkr.u | . . . . . 6 ⊢ (𝜑 → 𝑈 ∈ 𝐻) | |
| 12 | lshpkr.z | . . . . . 6 ⊢ (𝜑 → 𝑍 ∈ 𝑉) | |
| 13 | lshpkr.e | . . . . . 6 ⊢ (𝜑 → (𝑈 ⊕ (𝑁‘{𝑍})) = 𝑉) | |
| 14 | lshpkr.d | . . . . . 6 ⊢ 𝐷 = (Scalar‘𝑊) | |
| 15 | lshpkr.k | . . . . . 6 ⊢ 𝐾 = (Base‘𝐷) | |
| 16 | lshpkr.t | . . . . . 6 ⊢ · = ( ·𝑠 ‘𝑊) | |
| 17 | lshpkr.g | . . . . . 6 ⊢ 𝐺 = (𝑥 ∈ 𝑉 ↦ (℩𝑘 ∈ 𝐾 ∃𝑦 ∈ 𝑈 𝑥 = (𝑦 + (𝑘 · 𝑍)))) | |
| 18 | 1, 7, 8, 9, 10, 4, 11, 12, 13, 14, 15, 16, 17, 2 | lshpkrcl 39117 | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ (LFnl‘𝑊)) | 
| 19 | 1, 2, 3, 6, 18 | lkrssv 39097 | . . . 4 ⊢ (𝜑 → (𝐿‘𝐺) ⊆ 𝑉) | 
| 20 | 19 | sseld 3982 | . . 3 ⊢ (𝜑 → (𝑣 ∈ (𝐿‘𝐺) → 𝑣 ∈ 𝑉)) | 
| 21 | eqid 2737 | . . . . . 6 ⊢ (LSubSp‘𝑊) = (LSubSp‘𝑊) | |
| 22 | 21, 10, 6, 11 | lshplss 38982 | . . . . 5 ⊢ (𝜑 → 𝑈 ∈ (LSubSp‘𝑊)) | 
| 23 | 1, 21 | lssel 20935 | . . . . 5 ⊢ ((𝑈 ∈ (LSubSp‘𝑊) ∧ 𝑣 ∈ 𝑈) → 𝑣 ∈ 𝑉) | 
| 24 | 22, 23 | sylan 580 | . . . 4 ⊢ ((𝜑 ∧ 𝑣 ∈ 𝑈) → 𝑣 ∈ 𝑉) | 
| 25 | 24 | ex 412 | . . 3 ⊢ (𝜑 → (𝑣 ∈ 𝑈 → 𝑣 ∈ 𝑉)) | 
| 26 | eqid 2737 | . . . . . . . 8 ⊢ (0g‘𝐷) = (0g‘𝐷) | |
| 27 | 1, 14, 26, 2, 3 | ellkr 39090 | . . . . . . 7 ⊢ ((𝑊 ∈ LVec ∧ 𝐺 ∈ (LFnl‘𝑊)) → (𝑣 ∈ (𝐿‘𝐺) ↔ (𝑣 ∈ 𝑉 ∧ (𝐺‘𝑣) = (0g‘𝐷)))) | 
| 28 | 4, 18, 27 | syl2anc 584 | . . . . . 6 ⊢ (𝜑 → (𝑣 ∈ (𝐿‘𝐺) ↔ (𝑣 ∈ 𝑉 ∧ (𝐺‘𝑣) = (0g‘𝐷)))) | 
| 29 | 28 | baibd 539 | . . . . 5 ⊢ ((𝜑 ∧ 𝑣 ∈ 𝑉) → (𝑣 ∈ (𝐿‘𝐺) ↔ (𝐺‘𝑣) = (0g‘𝐷))) | 
| 30 | 4 | adantr 480 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑣 ∈ 𝑉) → 𝑊 ∈ LVec) | 
| 31 | 11 | adantr 480 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑣 ∈ 𝑉) → 𝑈 ∈ 𝐻) | 
| 32 | 12 | adantr 480 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑣 ∈ 𝑉) → 𝑍 ∈ 𝑉) | 
| 33 | simpr 484 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑣 ∈ 𝑉) → 𝑣 ∈ 𝑉) | |
| 34 | 13 | adantr 480 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑣 ∈ 𝑉) → (𝑈 ⊕ (𝑁‘{𝑍})) = 𝑉) | 
| 35 | 1, 7, 8, 9, 10, 30, 31, 32, 33, 34, 14, 15, 16, 26, 17 | lshpkrlem1 39111 | . . . . 5 ⊢ ((𝜑 ∧ 𝑣 ∈ 𝑉) → (𝑣 ∈ 𝑈 ↔ (𝐺‘𝑣) = (0g‘𝐷))) | 
| 36 | 29, 35 | bitr4d 282 | . . . 4 ⊢ ((𝜑 ∧ 𝑣 ∈ 𝑉) → (𝑣 ∈ (𝐿‘𝐺) ↔ 𝑣 ∈ 𝑈)) | 
| 37 | 36 | ex 412 | . . 3 ⊢ (𝜑 → (𝑣 ∈ 𝑉 → (𝑣 ∈ (𝐿‘𝐺) ↔ 𝑣 ∈ 𝑈))) | 
| 38 | 20, 25, 37 | pm5.21ndd 379 | . 2 ⊢ (𝜑 → (𝑣 ∈ (𝐿‘𝐺) ↔ 𝑣 ∈ 𝑈)) | 
| 39 | 38 | eqrdv 2735 | 1 ⊢ (𝜑 → (𝐿‘𝐺) = 𝑈) | 
| Colors of variables: wff setvar class | 
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1540 ∈ wcel 2108 ∃wrex 3070 {csn 4626 ↦ cmpt 5225 ‘cfv 6561 ℩crio 7387 (class class class)co 7431 Basecbs 17247 +gcplusg 17297 Scalarcsca 17300 ·𝑠 cvsca 17301 0gc0g 17484 LSSumclsm 19652 LModclmod 20858 LSubSpclss 20929 LSpanclspn 20969 LVecclvec 21101 LSHypclsh 38976 LFnlclfn 39058 LKerclk 39086 | 
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-rep 5279 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 ax-cnex 11211 ax-resscn 11212 ax-1cn 11213 ax-icn 11214 ax-addcl 11215 ax-addrcl 11216 ax-mulcl 11217 ax-mulrcl 11218 ax-mulcom 11219 ax-addass 11220 ax-mulass 11221 ax-distr 11222 ax-i2m1 11223 ax-1ne0 11224 ax-1rid 11225 ax-rnegex 11226 ax-rrecex 11227 ax-cnre 11228 ax-pre-lttri 11229 ax-pre-lttrn 11230 ax-pre-ltadd 11231 ax-pre-mulgt0 11232 | 
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3380 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-pss 3971 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-op 4633 df-uni 4908 df-int 4947 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5226 df-tr 5260 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5637 df-we 5639 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-pred 6321 df-ord 6387 df-on 6388 df-lim 6389 df-suc 6390 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-om 7888 df-1st 8014 df-2nd 8015 df-tpos 8251 df-frecs 8306 df-wrecs 8337 df-recs 8411 df-rdg 8450 df-er 8745 df-map 8868 df-en 8986 df-dom 8987 df-sdom 8988 df-pnf 11297 df-mnf 11298 df-xr 11299 df-ltxr 11300 df-le 11301 df-sub 11494 df-neg 11495 df-nn 12267 df-2 12329 df-3 12330 df-sets 17201 df-slot 17219 df-ndx 17231 df-base 17248 df-ress 17275 df-plusg 17310 df-mulr 17311 df-0g 17486 df-mgm 18653 df-sgrp 18732 df-mnd 18748 df-submnd 18797 df-grp 18954 df-minusg 18955 df-sbg 18956 df-subg 19141 df-cntz 19335 df-lsm 19654 df-cmn 19800 df-abl 19801 df-mgp 20138 df-rng 20150 df-ur 20179 df-ring 20232 df-oppr 20334 df-dvdsr 20357 df-unit 20358 df-invr 20388 df-drng 20731 df-lmod 20860 df-lss 20930 df-lsp 20970 df-lvec 21102 df-lshyp 38978 df-lfl 39059 df-lkr 39087 | 
| This theorem is referenced by: lshpkrex 39119 dochsnkr2 41475 | 
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