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Mirrors > Home > MPE Home > Th. List > pjff | Structured version Visualization version GIF version |
Description: A projection is a linear operator. (Contributed by Mario Carneiro, 16-Oct-2015.) |
Ref | Expression |
---|---|
pjf.k | ⊢ 𝐾 = (proj‘𝑊) |
Ref | Expression |
---|---|
pjff | ⊢ (𝑊 ∈ PreHil → 𝐾:dom 𝐾⟶(𝑊 LMHom 𝑊)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2739 | . . . 4 ⊢ (LSubSp‘𝑊) = (LSubSp‘𝑊) | |
2 | eqid 2739 | . . . 4 ⊢ (LSSum‘𝑊) = (LSSum‘𝑊) | |
3 | eqid 2739 | . . . 4 ⊢ (0g‘𝑊) = (0g‘𝑊) | |
4 | eqid 2739 | . . . 4 ⊢ (proj1‘𝑊) = (proj1‘𝑊) | |
5 | phllmod 20625 | . . . . 5 ⊢ (𝑊 ∈ PreHil → 𝑊 ∈ LMod) | |
6 | 5 | adantr 484 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → 𝑊 ∈ LMod) |
7 | eqid 2739 | . . . . . 6 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
8 | eqid 2739 | . . . . . 6 ⊢ (ocv‘𝑊) = (ocv‘𝑊) | |
9 | pjf.k | . . . . . 6 ⊢ 𝐾 = (proj‘𝑊) | |
10 | 7, 1, 8, 2, 9 | pjdm2 20706 | . . . . 5 ⊢ (𝑊 ∈ PreHil → (𝑥 ∈ dom 𝐾 ↔ (𝑥 ∈ (LSubSp‘𝑊) ∧ (𝑥(LSSum‘𝑊)((ocv‘𝑊)‘𝑥)) = (Base‘𝑊)))) |
11 | 10 | simprbda 502 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → 𝑥 ∈ (LSubSp‘𝑊)) |
12 | 7, 1 | lssss 20006 | . . . . . 6 ⊢ (𝑥 ∈ (LSubSp‘𝑊) → 𝑥 ⊆ (Base‘𝑊)) |
13 | 11, 12 | syl 17 | . . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → 𝑥 ⊆ (Base‘𝑊)) |
14 | 7, 8, 1 | ocvlss 20667 | . . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ⊆ (Base‘𝑊)) → ((ocv‘𝑊)‘𝑥) ∈ (LSubSp‘𝑊)) |
15 | 13, 14 | syldan 594 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → ((ocv‘𝑊)‘𝑥) ∈ (LSubSp‘𝑊)) |
16 | 8, 1, 3 | ocvin 20669 | . . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ (LSubSp‘𝑊)) → (𝑥 ∩ ((ocv‘𝑊)‘𝑥)) = {(0g‘𝑊)}) |
17 | 11, 16 | syldan 594 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → (𝑥 ∩ ((ocv‘𝑊)‘𝑥)) = {(0g‘𝑊)}) |
18 | 1, 2, 3, 4, 6, 11, 15, 17 | pj1lmhm 20170 | . . 3 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → (𝑥(proj1‘𝑊)((ocv‘𝑊)‘𝑥)) ∈ ((𝑊 ↾s (𝑥(LSSum‘𝑊)((ocv‘𝑊)‘𝑥))) LMHom 𝑊)) |
19 | 10 | simplbda 503 | . . . . . 6 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → (𝑥(LSSum‘𝑊)((ocv‘𝑊)‘𝑥)) = (Base‘𝑊)) |
20 | 19 | oveq2d 7251 | . . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → (𝑊 ↾s (𝑥(LSSum‘𝑊)((ocv‘𝑊)‘𝑥))) = (𝑊 ↾s (Base‘𝑊))) |
21 | 7 | ressid 16829 | . . . . . 6 ⊢ (𝑊 ∈ PreHil → (𝑊 ↾s (Base‘𝑊)) = 𝑊) |
22 | 21 | adantr 484 | . . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → (𝑊 ↾s (Base‘𝑊)) = 𝑊) |
23 | 20, 22 | eqtrd 2779 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → (𝑊 ↾s (𝑥(LSSum‘𝑊)((ocv‘𝑊)‘𝑥))) = 𝑊) |
24 | 23 | oveq1d 7250 | . . 3 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → ((𝑊 ↾s (𝑥(LSSum‘𝑊)((ocv‘𝑊)‘𝑥))) LMHom 𝑊) = (𝑊 LMHom 𝑊)) |
25 | 18, 24 | eleqtrd 2842 | . 2 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → (𝑥(proj1‘𝑊)((ocv‘𝑊)‘𝑥)) ∈ (𝑊 LMHom 𝑊)) |
26 | 8, 4, 9 | pjfval2 20704 | . 2 ⊢ 𝐾 = (𝑥 ∈ dom 𝐾 ↦ (𝑥(proj1‘𝑊)((ocv‘𝑊)‘𝑥))) |
27 | 25, 26 | fmptd 6953 | 1 ⊢ (𝑊 ∈ PreHil → 𝐾:dom 𝐾⟶(𝑊 LMHom 𝑊)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 ∈ wcel 2112 ∩ cin 3882 ⊆ wss 3883 {csn 4558 dom cdm 5569 ⟶wf 6397 ‘cfv 6401 (class class class)co 7235 Basecbs 16793 ↾s cress 16817 0gc0g 16977 LSSumclsm 19056 proj1cpj1 19057 LModclmod 19932 LSubSpclss 20001 LMHom clmhm 20089 PreHilcphl 20619 ocvcocv 20655 projcpj 20695 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2710 ax-rep 5196 ax-sep 5209 ax-nul 5216 ax-pow 5275 ax-pr 5339 ax-un 7545 ax-cnex 10815 ax-resscn 10816 ax-1cn 10817 ax-icn 10818 ax-addcl 10819 ax-addrcl 10820 ax-mulcl 10821 ax-mulrcl 10822 ax-mulcom 10823 ax-addass 10824 ax-mulass 10825 ax-distr 10826 ax-i2m1 10827 ax-1ne0 10828 ax-1rid 10829 ax-rnegex 10830 ax-rrecex 10831 ax-cnre 10832 ax-pre-lttri 10833 ax-pre-lttrn 10834 ax-pre-ltadd 10835 ax-pre-mulgt0 10836 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2818 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3071 df-rmo 3072 df-rab 3073 df-v 3425 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4255 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5153 df-tr 5179 df-id 5472 df-eprel 5478 df-po 5486 df-so 5487 df-fr 5527 df-we 5529 df-xp 5575 df-rel 5576 df-cnv 5577 df-co 5578 df-dm 5579 df-rn 5580 df-res 5581 df-ima 5582 df-pred 6179 df-ord 6237 df-on 6238 df-lim 6239 df-suc 6240 df-iota 6359 df-fun 6403 df-fn 6404 df-f 6405 df-f1 6406 df-fo 6407 df-f1o 6408 df-fv 6409 df-riota 7192 df-ov 7238 df-oprab 7239 df-mpo 7240 df-om 7667 df-1st 7783 df-2nd 7784 df-wrecs 8071 df-recs 8132 df-rdg 8170 df-er 8415 df-map 8534 df-en 8651 df-dom 8652 df-sdom 8653 df-pnf 10899 df-mnf 10900 df-xr 10901 df-ltxr 10902 df-le 10903 df-sub 11094 df-neg 11095 df-nn 11861 df-2 11923 df-3 11924 df-4 11925 df-5 11926 df-6 11927 df-7 11928 df-8 11929 df-sets 16750 df-slot 16768 df-ndx 16778 df-base 16794 df-ress 16818 df-plusg 16848 df-sca 16851 df-vsca 16852 df-ip 16853 df-0g 16979 df-mgm 18147 df-sgrp 18196 df-mnd 18207 df-submnd 18252 df-grp 18401 df-minusg 18402 df-sbg 18403 df-subg 18573 df-ghm 18653 df-cntz 18744 df-lsm 19058 df-pj1 19059 df-cmn 19205 df-abl 19206 df-mgp 19538 df-ur 19550 df-ring 19597 df-lmod 19934 df-lss 20002 df-lmhm 20092 df-lvec 20173 df-sra 20242 df-rgmod 20243 df-phl 20621 df-ocv 20658 df-pj 20698 |
This theorem is referenced by: (None) |
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