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Mirrors > Home > MPE Home > Th. List > Mathboxes > salgenval | Structured version Visualization version Unicode version |
Description: The sigma-algebra generated by a set. (Contributed by Glauco Siliprandi, 3-Jan-2021.) |
Ref | Expression |
---|---|
salgenval | SalGen SAlg |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-salgen 40533 | . . 3 SalGen SAlg | |
2 | 1 | a1i 11 | . 2 SalGen SAlg |
3 | unieq 4444 | . . . . . . 7 | |
4 | 3 | eqeq2d 2632 | . . . . . 6 |
5 | sseq1 3626 | . . . . . 6 | |
6 | 4, 5 | anbi12d 747 | . . . . 5 |
7 | 6 | rabbidv 3189 | . . . 4 SAlg SAlg |
8 | 7 | inteqd 4480 | . . 3 SAlg SAlg |
9 | 8 | adantl 482 | . 2 SAlg SAlg |
10 | elex 3212 | . 2 | |
11 | uniexg 6955 | . . . . . . 7 | |
12 | pwsal 40535 | . . . . . . 7 SAlg | |
13 | 11, 12 | syl 17 | . . . . . 6 SAlg |
14 | unipw 4918 | . . . . . . 7 | |
15 | 14 | a1i 11 | . . . . . 6 |
16 | pwuni 4474 | . . . . . . 7 | |
17 | 16 | a1i 11 | . . . . . 6 |
18 | 13, 15, 17 | jca32 558 | . . . . 5 SAlg |
19 | unieq 4444 | . . . . . . . 8 | |
20 | 19 | eqeq1d 2624 | . . . . . . 7 |
21 | sseq2 3627 | . . . . . . 7 | |
22 | 20, 21 | anbi12d 747 | . . . . . 6 |
23 | 22 | elrab 3363 | . . . . 5 SAlg SAlg |
24 | 18, 23 | sylibr 224 | . . . 4 SAlg |
25 | ne0i 3921 | . . . 4 SAlg SAlg | |
26 | 24, 25 | syl 17 | . . 3 SAlg |
27 | intex 4820 | . . 3 SAlg SAlg | |
28 | 26, 27 | sylib 208 | . 2 SAlg |
29 | 2, 9, 10, 28 | fvmptd 6288 | 1 SalGen SAlg |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wceq 1483 wcel 1990 wne 2794 crab 2916 cvv 3200 wss 3574 c0 3915 cpw 4158 cuni 4436 cint 4475 cmpt 4729 cfv 5888 SAlgcsalg 40528 SalGencsalgen 40532 |
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-8 1992 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 ax-un 6949 |
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-ne 2795 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 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-int 4476 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-salg 40529 df-salgen 40533 |
This theorem is referenced by: salgencl 40550 sssalgen 40553 salgenss 40554 salgenuni 40555 issalgend 40556 |
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