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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 2821 | . . . 4 ⊢ (LSubSp‘𝑊) = (LSubSp‘𝑊) | |
2 | eqid 2821 | . . . 4 ⊢ (LSSum‘𝑊) = (LSSum‘𝑊) | |
3 | eqid 2821 | . . . 4 ⊢ (0g‘𝑊) = (0g‘𝑊) | |
4 | eqid 2821 | . . . 4 ⊢ (proj1‘𝑊) = (proj1‘𝑊) | |
5 | phllmod 20773 | . . . . 5 ⊢ (𝑊 ∈ PreHil → 𝑊 ∈ LMod) | |
6 | 5 | adantr 483 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → 𝑊 ∈ LMod) |
7 | eqid 2821 | . . . . . 6 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
8 | eqid 2821 | . . . . . 6 ⊢ (ocv‘𝑊) = (ocv‘𝑊) | |
9 | pjf.k | . . . . . 6 ⊢ 𝐾 = (proj‘𝑊) | |
10 | 7, 1, 8, 2, 9 | pjdm2 20854 | . . . . 5 ⊢ (𝑊 ∈ PreHil → (𝑥 ∈ dom 𝐾 ↔ (𝑥 ∈ (LSubSp‘𝑊) ∧ (𝑥(LSSum‘𝑊)((ocv‘𝑊)‘𝑥)) = (Base‘𝑊)))) |
11 | 10 | simprbda 501 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → 𝑥 ∈ (LSubSp‘𝑊)) |
12 | 7, 1 | lssss 19707 | . . . . . 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 20815 | . . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ⊆ (Base‘𝑊)) → ((ocv‘𝑊)‘𝑥) ∈ (LSubSp‘𝑊)) |
15 | 13, 14 | syldan 593 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → ((ocv‘𝑊)‘𝑥) ∈ (LSubSp‘𝑊)) |
16 | 8, 1, 3 | ocvin 20817 | . . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ (LSubSp‘𝑊)) → (𝑥 ∩ ((ocv‘𝑊)‘𝑥)) = {(0g‘𝑊)}) |
17 | 11, 16 | syldan 593 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → (𝑥 ∩ ((ocv‘𝑊)‘𝑥)) = {(0g‘𝑊)}) |
18 | 1, 2, 3, 4, 6, 11, 15, 17 | pj1lmhm 19871 | . . 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 502 | . . . . . 6 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → (𝑥(LSSum‘𝑊)((ocv‘𝑊)‘𝑥)) = (Base‘𝑊)) |
20 | 19 | oveq2d 7171 | . . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → (𝑊 ↾s (𝑥(LSSum‘𝑊)((ocv‘𝑊)‘𝑥))) = (𝑊 ↾s (Base‘𝑊))) |
21 | 7 | ressid 16558 | . . . . . 6 ⊢ (𝑊 ∈ PreHil → (𝑊 ↾s (Base‘𝑊)) = 𝑊) |
22 | 21 | adantr 483 | . . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → (𝑊 ↾s (Base‘𝑊)) = 𝑊) |
23 | 20, 22 | eqtrd 2856 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → (𝑊 ↾s (𝑥(LSSum‘𝑊)((ocv‘𝑊)‘𝑥))) = 𝑊) |
24 | 23 | oveq1d 7170 | . . 3 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → ((𝑊 ↾s (𝑥(LSSum‘𝑊)((ocv‘𝑊)‘𝑥))) LMHom 𝑊) = (𝑊 LMHom 𝑊)) |
25 | 18, 24 | eleqtrd 2915 | . 2 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ dom 𝐾) → (𝑥(proj1‘𝑊)((ocv‘𝑊)‘𝑥)) ∈ (𝑊 LMHom 𝑊)) |
26 | 8, 4, 9 | pjfval2 20852 | . 2 ⊢ 𝐾 = (𝑥 ∈ dom 𝐾 ↦ (𝑥(proj1‘𝑊)((ocv‘𝑊)‘𝑥))) |
27 | 25, 26 | fmptd 6877 | 1 ⊢ (𝑊 ∈ PreHil → 𝐾:dom 𝐾⟶(𝑊 LMHom 𝑊)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1533 ∈ wcel 2110 ∩ cin 3934 ⊆ wss 3935 {csn 4566 dom cdm 5554 ⟶wf 6350 ‘cfv 6354 (class class class)co 7155 Basecbs 16482 ↾s cress 16483 0gc0g 16712 LSSumclsm 18758 proj1cpj1 18759 LModclmod 19633 LSubSpclss 19702 LMHom clmhm 19790 PreHilcphl 20767 ocvcocv 20803 projcpj 20843 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-rep 5189 ax-sep 5202 ax-nul 5209 ax-pow 5265 ax-pr 5329 ax-un 7460 ax-cnex 10592 ax-resscn 10593 ax-1cn 10594 ax-icn 10595 ax-addcl 10596 ax-addrcl 10597 ax-mulcl 10598 ax-mulrcl 10599 ax-mulcom 10600 ax-addass 10601 ax-mulass 10602 ax-distr 10603 ax-i2m1 10604 ax-1ne0 10605 ax-1rid 10606 ax-rnegex 10607 ax-rrecex 10608 ax-cnre 10609 ax-pre-lttri 10610 ax-pre-lttrn 10611 ax-pre-ltadd 10612 ax-pre-mulgt0 10613 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 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 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-pss 3953 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4838 df-int 4876 df-iun 4920 df-br 5066 df-opab 5128 df-mpt 5146 df-tr 5172 df-id 5459 df-eprel 5464 df-po 5473 df-so 5474 df-fr 5513 df-we 5515 df-xp 5560 df-rel 5561 df-cnv 5562 df-co 5563 df-dm 5564 df-rn 5565 df-res 5566 df-ima 5567 df-pred 6147 df-ord 6193 df-on 6194 df-lim 6195 df-suc 6196 df-iota 6313 df-fun 6356 df-fn 6357 df-f 6358 df-f1 6359 df-fo 6360 df-f1o 6361 df-fv 6362 df-riota 7113 df-ov 7158 df-oprab 7159 df-mpo 7160 df-om 7580 df-1st 7688 df-2nd 7689 df-wrecs 7946 df-recs 8007 df-rdg 8045 df-er 8288 df-map 8407 df-en 8509 df-dom 8510 df-sdom 8511 df-pnf 10676 df-mnf 10677 df-xr 10678 df-ltxr 10679 df-le 10680 df-sub 10871 df-neg 10872 df-nn 11638 df-2 11699 df-3 11700 df-4 11701 df-5 11702 df-6 11703 df-7 11704 df-8 11705 df-ndx 16485 df-slot 16486 df-base 16488 df-sets 16489 df-ress 16490 df-plusg 16577 df-sca 16580 df-vsca 16581 df-ip 16582 df-0g 16714 df-mgm 17851 df-sgrp 17900 df-mnd 17911 df-submnd 17956 df-grp 18105 df-minusg 18106 df-sbg 18107 df-subg 18275 df-ghm 18355 df-cntz 18446 df-lsm 18760 df-pj1 18761 df-cmn 18907 df-abl 18908 df-mgp 19239 df-ur 19251 df-ring 19298 df-lmod 19635 df-lss 19703 df-lmhm 19793 df-lvec 19874 df-sra 19943 df-rgmod 19944 df-phl 20769 df-ocv 20806 df-pj 20846 |
This theorem is referenced by: (None) |
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