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Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > carsgcl | Structured version Visualization version GIF version |
Description: Closure of the Caratheodory measurable sets. (Contributed by Thierry Arnoux, 17-May-2020.) |
Ref | Expression |
---|---|
carsgval.1 | β’ (π β π β π) |
carsgval.2 | β’ (π β π:π« πβΆ(0[,]+β)) |
Ref | Expression |
---|---|
carsgcl | β’ (π β (toCaraSigaβπ) β π« π) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | carsgval.1 | . . 3 β’ (π β π β π) | |
2 | carsgval.2 | . . 3 β’ (π β π:π« πβΆ(0[,]+β)) | |
3 | 1, 2 | carsgval 33297 | . 2 β’ (π β (toCaraSigaβπ) = {π β π« π β£ βπ β π« π((πβ(π β© π)) +π (πβ(π β π))) = (πβπ)}) |
4 | ssrab2 4077 | . 2 β’ {π β π« π β£ βπ β π« π((πβ(π β© π)) +π (πβ(π β π))) = (πβπ)} β π« π | |
5 | 3, 4 | eqsstrdi 4036 | 1 β’ (π β (toCaraSigaβπ) β π« π) |
Colors of variables: wff setvar class |
Syntax hints: β wi 4 = wceq 1541 β wcel 2106 βwral 3061 {crab 3432 β cdif 3945 β© cin 3947 β wss 3948 π« cpw 4602 βΆwf 6539 βcfv 6543 (class class class)co 7408 0cc0 11109 +βcpnf 11244 +π cxad 13089 [,]cicc 13326 toCaraSigaccarsg 33295 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2703 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-ral 3062 df-rex 3071 df-reu 3377 df-rab 3433 df-v 3476 df-sbc 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-op 4635 df-uni 4909 df-iun 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-id 5574 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-ov 7411 df-carsg 33296 |
This theorem is referenced by: carsguni 33302 elcarsgss 33303 carsggect 33312 carsgsiga 33316 omsmeas 33317 |
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