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Mirrors > Home > HSE Home > Th. List > spanval | Structured version Visualization version GIF version |
Description: Value of the linear span of a subset of Hilbert space. The span is the intersection of all subspaces constraining the subset. Definition of span in [Schechter] p. 276. (Contributed by NM, 2-Jun-2004.) (Revised by Mario Carneiro, 23-Dec-2013.) (New usage is discouraged.) |
Ref | Expression |
---|---|
spanval | β’ (π΄ β β β (spanβπ΄) = β© {π₯ β Sβ β£ π΄ β π₯}) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-span 31066 | . 2 β’ span = (π¦ β π« β β¦ β© {π₯ β Sβ β£ π¦ β π₯}) | |
2 | sseq1 4002 | . . . 4 β’ (π¦ = π΄ β (π¦ β π₯ β π΄ β π₯)) | |
3 | 2 | rabbidv 3434 | . . 3 β’ (π¦ = π΄ β {π₯ β Sβ β£ π¦ β π₯} = {π₯ β Sβ β£ π΄ β π₯}) |
4 | 3 | inteqd 4948 | . 2 β’ (π¦ = π΄ β β© {π₯ β Sβ β£ π¦ β π₯} = β© {π₯ β Sβ β£ π΄ β π₯}) |
5 | ax-hilex 30756 | . . . 4 β’ β β V | |
6 | 5 | elpw2 5338 | . . 3 β’ (π΄ β π« β β π΄ β β) |
7 | 6 | biimpri 227 | . 2 β’ (π΄ β β β π΄ β π« β) |
8 | helsh 31002 | . . . 4 β’ β β Sβ | |
9 | sseq2 4003 | . . . . 5 β’ (π₯ = β β (π΄ β π₯ β π΄ β β)) | |
10 | 9 | rspcev 3606 | . . . 4 β’ (( β β Sβ β§ π΄ β β) β βπ₯ β Sβ π΄ β π₯) |
11 | 8, 10 | mpan 687 | . . 3 β’ (π΄ β β β βπ₯ β Sβ π΄ β π₯) |
12 | intexrab 5333 | . . 3 β’ (βπ₯ β Sβ π΄ β π₯ β β© {π₯ β Sβ β£ π΄ β π₯} β V) | |
13 | 11, 12 | sylib 217 | . 2 β’ (π΄ β β β β© {π₯ β Sβ β£ π΄ β π₯} β V) |
14 | 1, 4, 7, 13 | fvmptd3 7014 | 1 β’ (π΄ β β β (spanβπ΄) = β© {π₯ β Sβ β£ π΄ β π₯}) |
Colors of variables: wff setvar class |
Syntax hints: β wi 4 = wceq 1533 β wcel 2098 βwrex 3064 {crab 3426 Vcvv 3468 β wss 3943 π« cpw 4597 β© cint 4943 βcfv 6536 βchba 30676 Sβ csh 30685 spancspn 30689 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2697 ax-rep 5278 ax-sep 5292 ax-nul 5299 ax-pow 5356 ax-pr 5420 ax-un 7721 ax-cnex 11165 ax-1cn 11167 ax-addcl 11169 ax-hilex 30756 ax-hfvadd 30757 ax-hv0cl 30760 ax-hfvmul 30762 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2704 df-cleq 2718 df-clel 2804 df-nfc 2879 df-ne 2935 df-ral 3056 df-rex 3065 df-reu 3371 df-rab 3427 df-v 3470 df-sbc 3773 df-csb 3889 df-dif 3946 df-un 3948 df-in 3950 df-ss 3960 df-pss 3962 df-nul 4318 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-op 4630 df-uni 4903 df-int 4944 df-iun 4992 df-br 5142 df-opab 5204 df-mpt 5225 df-tr 5259 df-id 5567 df-eprel 5573 df-po 5581 df-so 5582 df-fr 5624 df-we 5626 df-xp 5675 df-rel 5676 df-cnv 5677 df-co 5678 df-dm 5679 df-rn 5680 df-res 5681 df-ima 5682 df-pred 6293 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6488 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-ov 7407 df-oprab 7408 df-mpo 7409 df-om 7852 df-2nd 7972 df-frecs 8264 df-wrecs 8295 df-recs 8369 df-rdg 8408 df-map 8821 df-nn 12214 df-hlim 30729 df-sh 30964 df-ch 30978 df-span 31066 |
This theorem is referenced by: spancl 31093 spanss2 31102 spanid 31104 spanss 31105 shsval3i 31145 elspani 31300 |
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