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Mirrors > Home > MPE Home > Th. List > Mathboxes > lkrscss | Structured version Visualization version GIF version |
Description: The kernel of a scalar product of a functional includes the kernel of the functional. (The inclusion is proper for the zero product and equality otherwise.) (Contributed by NM, 9-Oct-2014.) |
Ref | Expression |
---|---|
lkrsc.v | ⊢ 𝑉 = (Base‘𝑊) |
lkrsc.d | ⊢ 𝐷 = (Scalar‘𝑊) |
lkrsc.k | ⊢ 𝐾 = (Base‘𝐷) |
lkrsc.t | ⊢ · = (.r‘𝐷) |
lkrsc.f | ⊢ 𝐹 = (LFnl‘𝑊) |
lkrsc.l | ⊢ 𝐿 = (LKer‘𝑊) |
lkrsc.w | ⊢ (𝜑 → 𝑊 ∈ LVec) |
lkrsc.g | ⊢ (𝜑 → 𝐺 ∈ 𝐹) |
lkrsc.r | ⊢ (𝜑 → 𝑅 ∈ 𝐾) |
Ref | Expression |
---|---|
lkrscss | ⊢ (𝜑 → (𝐿‘𝐺) ⊆ (𝐿‘(𝐺 ∘f · (𝑉 × {𝑅})))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lkrsc.v | . . . . . 6 ⊢ 𝑉 = (Base‘𝑊) | |
2 | lkrsc.f | . . . . . 6 ⊢ 𝐹 = (LFnl‘𝑊) | |
3 | lkrsc.l | . . . . . 6 ⊢ 𝐿 = (LKer‘𝑊) | |
4 | lkrsc.w | . . . . . . 7 ⊢ (𝜑 → 𝑊 ∈ LVec) | |
5 | lveclmod 20283 | . . . . . . 7 ⊢ (𝑊 ∈ LVec → 𝑊 ∈ LMod) | |
6 | 4, 5 | syl 17 | . . . . . 6 ⊢ (𝜑 → 𝑊 ∈ LMod) |
7 | lkrsc.g | . . . . . 6 ⊢ (𝜑 → 𝐺 ∈ 𝐹) | |
8 | 1, 2, 3, 6, 7 | lkrssv 37037 | . . . . 5 ⊢ (𝜑 → (𝐿‘𝐺) ⊆ 𝑉) |
9 | lkrsc.d | . . . . . . . 8 ⊢ 𝐷 = (Scalar‘𝑊) | |
10 | lkrsc.k | . . . . . . . 8 ⊢ 𝐾 = (Base‘𝐷) | |
11 | lkrsc.t | . . . . . . . 8 ⊢ · = (.r‘𝐷) | |
12 | eqid 2738 | . . . . . . . 8 ⊢ (0g‘𝐷) = (0g‘𝐷) | |
13 | 1, 9, 2, 10, 11, 12, 6, 7 | lfl0sc 37023 | . . . . . . 7 ⊢ (𝜑 → (𝐺 ∘f · (𝑉 × {(0g‘𝐷)})) = (𝑉 × {(0g‘𝐷)})) |
14 | 13 | fveq2d 6760 | . . . . . 6 ⊢ (𝜑 → (𝐿‘(𝐺 ∘f · (𝑉 × {(0g‘𝐷)}))) = (𝐿‘(𝑉 × {(0g‘𝐷)}))) |
15 | eqid 2738 | . . . . . . 7 ⊢ (𝑉 × {(0g‘𝐷)}) = (𝑉 × {(0g‘𝐷)}) | |
16 | 9, 12, 1, 2 | lfl0f 37010 | . . . . . . . 8 ⊢ (𝑊 ∈ LMod → (𝑉 × {(0g‘𝐷)}) ∈ 𝐹) |
17 | 9, 12, 1, 2, 3 | lkr0f 37035 | . . . . . . . 8 ⊢ ((𝑊 ∈ LMod ∧ (𝑉 × {(0g‘𝐷)}) ∈ 𝐹) → ((𝐿‘(𝑉 × {(0g‘𝐷)})) = 𝑉 ↔ (𝑉 × {(0g‘𝐷)}) = (𝑉 × {(0g‘𝐷)}))) |
18 | 6, 16, 17 | syl2anc2 584 | . . . . . . 7 ⊢ (𝜑 → ((𝐿‘(𝑉 × {(0g‘𝐷)})) = 𝑉 ↔ (𝑉 × {(0g‘𝐷)}) = (𝑉 × {(0g‘𝐷)}))) |
19 | 15, 18 | mpbiri 257 | . . . . . 6 ⊢ (𝜑 → (𝐿‘(𝑉 × {(0g‘𝐷)})) = 𝑉) |
20 | 14, 19 | eqtr2d 2779 | . . . . 5 ⊢ (𝜑 → 𝑉 = (𝐿‘(𝐺 ∘f · (𝑉 × {(0g‘𝐷)})))) |
21 | 8, 20 | sseqtrd 3957 | . . . 4 ⊢ (𝜑 → (𝐿‘𝐺) ⊆ (𝐿‘(𝐺 ∘f · (𝑉 × {(0g‘𝐷)})))) |
22 | 21 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝑅 = (0g‘𝐷)) → (𝐿‘𝐺) ⊆ (𝐿‘(𝐺 ∘f · (𝑉 × {(0g‘𝐷)})))) |
23 | sneq 4568 | . . . . . . 7 ⊢ (𝑅 = (0g‘𝐷) → {𝑅} = {(0g‘𝐷)}) | |
24 | 23 | xpeq2d 5610 | . . . . . 6 ⊢ (𝑅 = (0g‘𝐷) → (𝑉 × {𝑅}) = (𝑉 × {(0g‘𝐷)})) |
25 | 24 | oveq2d 7271 | . . . . 5 ⊢ (𝑅 = (0g‘𝐷) → (𝐺 ∘f · (𝑉 × {𝑅})) = (𝐺 ∘f · (𝑉 × {(0g‘𝐷)}))) |
26 | 25 | fveq2d 6760 | . . . 4 ⊢ (𝑅 = (0g‘𝐷) → (𝐿‘(𝐺 ∘f · (𝑉 × {𝑅}))) = (𝐿‘(𝐺 ∘f · (𝑉 × {(0g‘𝐷)})))) |
27 | 26 | adantl 481 | . . 3 ⊢ ((𝜑 ∧ 𝑅 = (0g‘𝐷)) → (𝐿‘(𝐺 ∘f · (𝑉 × {𝑅}))) = (𝐿‘(𝐺 ∘f · (𝑉 × {(0g‘𝐷)})))) |
28 | 22, 27 | sseqtrrd 3958 | . 2 ⊢ ((𝜑 ∧ 𝑅 = (0g‘𝐷)) → (𝐿‘𝐺) ⊆ (𝐿‘(𝐺 ∘f · (𝑉 × {𝑅})))) |
29 | 4 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝑅 ≠ (0g‘𝐷)) → 𝑊 ∈ LVec) |
30 | 7 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝑅 ≠ (0g‘𝐷)) → 𝐺 ∈ 𝐹) |
31 | lkrsc.r | . . . . 5 ⊢ (𝜑 → 𝑅 ∈ 𝐾) | |
32 | 31 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝑅 ≠ (0g‘𝐷)) → 𝑅 ∈ 𝐾) |
33 | simpr 484 | . . . 4 ⊢ ((𝜑 ∧ 𝑅 ≠ (0g‘𝐷)) → 𝑅 ≠ (0g‘𝐷)) | |
34 | 1, 9, 10, 11, 2, 3, 29, 30, 32, 12, 33 | lkrsc 37038 | . . 3 ⊢ ((𝜑 ∧ 𝑅 ≠ (0g‘𝐷)) → (𝐿‘(𝐺 ∘f · (𝑉 × {𝑅}))) = (𝐿‘𝐺)) |
35 | eqimss2 3974 | . . 3 ⊢ ((𝐿‘(𝐺 ∘f · (𝑉 × {𝑅}))) = (𝐿‘𝐺) → (𝐿‘𝐺) ⊆ (𝐿‘(𝐺 ∘f · (𝑉 × {𝑅})))) | |
36 | 34, 35 | syl 17 | . 2 ⊢ ((𝜑 ∧ 𝑅 ≠ (0g‘𝐷)) → (𝐿‘𝐺) ⊆ (𝐿‘(𝐺 ∘f · (𝑉 × {𝑅})))) |
37 | 28, 36 | pm2.61dane 3031 | 1 ⊢ (𝜑 → (𝐿‘𝐺) ⊆ (𝐿‘(𝐺 ∘f · (𝑉 × {𝑅})))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 = wceq 1539 ∈ wcel 2108 ≠ wne 2942 ⊆ wss 3883 {csn 4558 × cxp 5578 ‘cfv 6418 (class class class)co 7255 ∘f cof 7509 Basecbs 16840 .rcmulr 16889 Scalarcsca 16891 0gc0g 17067 LModclmod 20038 LVecclvec 20279 LFnlclfn 36998 LKerclk 37026 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-of 7511 df-om 7688 df-1st 7804 df-2nd 7805 df-tpos 8013 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-er 8456 df-map 8575 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-2 11966 df-3 11967 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-ress 16868 df-plusg 16901 df-mulr 16902 df-0g 17069 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-grp 18495 df-minusg 18496 df-sbg 18497 df-mgp 19636 df-ur 19653 df-ring 19700 df-oppr 19777 df-dvdsr 19798 df-unit 19799 df-invr 19829 df-drng 19908 df-lmod 20040 df-lss 20109 df-lvec 20280 df-lfl 36999 df-lkr 37027 |
This theorem is referenced by: lfl1dim 37062 lfl1dim2N 37063 lkrss 37109 |
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