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| Mirrors > Home > MPE Home > Th. List > Mathboxes > elsigass | Structured version Visualization version GIF version | ||
| Description: An element of a sigma-algebra is a subset of the base set. (Contributed by Thierry Arnoux, 6-Jun-2017.) |
| Ref | Expression |
|---|---|
| elsigass | β’ ((π β βͺ ran sigAlgebra β§ π΄ β π) β π΄ β βͺ π) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sgon 33110 | . . . 4 β’ (π β βͺ ran sigAlgebra β π β (sigAlgebraββͺ π)) | |
| 2 | sigasspw 33102 | . . . 4 β’ (π β (sigAlgebraββͺ π) β π β π« βͺ π) | |
| 3 | 1, 2 | syl 17 | . . 3 β’ (π β βͺ ran sigAlgebra β π β π« βͺ π) |
| 4 | 3 | sselda 3981 | . 2 β’ ((π β βͺ ran sigAlgebra β§ π΄ β π) β π΄ β π« βͺ π) |
| 5 | 4 | elpwid 4610 | 1 β’ ((π β βͺ ran sigAlgebra β§ π΄ β π) β π΄ β βͺ π) |
| Colors of variables: wff setvar class |
| Syntax hints: β wi 4 β§ wa 396 β wcel 2106 β wss 3947 π« cpw 4601 βͺ cuni 4907 ran crn 5676 βcfv 6540 sigAlgebracsiga 33094 |
| 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-sep 5298 ax-nul 5305 ax-pow 5362 ax-pr 5426 |
| 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-rab 3433 df-v 3476 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-nul 4322 df-if 4528 df-pw 4603 df-sn 4628 df-pr 4630 df-op 4634 df-uni 4908 df-br 5148 df-opab 5210 df-mpt 5231 df-id 5573 df-xp 5681 df-rel 5682 df-cnv 5683 df-co 5684 df-dm 5685 df-rn 5686 df-res 5687 df-ima 5688 df-iota 6492 df-fun 6542 df-fn 6543 df-fv 6548 df-siga 33095 |
| This theorem is referenced by: (None) |
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