| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > sigaval | Structured version Visualization version Unicode version | ||
| Description: The set of sigma-algebra with a given base set. (Contributed by Thierry Arnoux, 23-Sep-2016.) |
| Ref | Expression |
|---|---|
| sigaval |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-rab 2921 |
. . . 4
| |
| 2 | selpw 4165 |
. . . . . 6
| |
| 3 | 2 | anbi1i 731 |
. . . . 5
|
| 4 | 3 | abbii 2739 |
. . . 4
|
| 5 | 1, 4 | eqtri 2644 |
. . 3
|
| 6 | pwexg 4850 |
. . . 4
| |
| 7 | pwexg 4850 |
. . . 4
| |
| 8 | rabexg 4812 |
. . . 4
| |
| 9 | 6, 7, 8 | 3syl 18 |
. . 3
|
| 10 | 5, 9 | syl5eqelr 2706 |
. 2
|
| 11 | pweq 4161 |
. . . . . 6
| |
| 12 | 11 | sseq2d 3633 |
. . . . 5
|
| 13 | eleq1 2689 |
. . . . . 6
| |
| 14 | difeq1 3721 |
. . . . . . . 8
| |
| 15 | 14 | eleq1d 2686 |
. . . . . . 7
|
| 16 | 15 | ralbidv 2986 |
. . . . . 6
|
| 17 | 13, 16 | 3anbi12d 1400 |
. . . . 5
|
| 18 | 12, 17 | anbi12d 747 |
. . . 4
|
| 19 | 18 | abbidv 2741 |
. . 3
|
| 20 | df-siga 30171 |
. . 3
| |
| 21 | 19, 20 | fvmptg 6280 |
. 2
|
| 22 | 10, 21 | mpdan 702 |
1
|
| Colors of variables: wff setvar class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 |
| This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-iota 5851 df-fun 5890 df-fv 5896 df-siga 30171 |
| This theorem is referenced by: (None) |
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