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Mirrors > Home > MPE Home > Th. List > islocfin | Structured version Visualization version Unicode version |
Description: The statement "is a locally finite cover." (Contributed by Jeff Hankins, 21-Jan-2010.) |
Ref | Expression |
---|---|
islocfin.1 | |
islocfin.2 |
Ref | Expression |
---|---|
islocfin |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-locfin 21310 | . . . . 5 | |
2 | 1 | dmmptss 5631 | . . . 4 |
3 | elfvdm 6220 | . . . 4 | |
4 | 2, 3 | sseldi 3601 | . . 3 |
5 | eqimss2 3658 | . . . . . . . . . . 11 | |
6 | sspwuni 4611 | . . . . . . . . . . 11 | |
7 | 5, 6 | sylibr 224 | . . . . . . . . . 10 |
8 | selpw 4165 | . . . . . . . . . 10 | |
9 | 7, 8 | sylibr 224 | . . . . . . . . 9 |
10 | 9 | adantr 481 | . . . . . . . 8 |
11 | 10 | abssi 3677 | . . . . . . 7 |
12 | islocfin.1 | . . . . . . . . 9 | |
13 | 12 | topopn 20711 | . . . . . . . 8 |
14 | pwexg 4850 | . . . . . . . 8 | |
15 | pwexg 4850 | . . . . . . . 8 | |
16 | 13, 14, 15 | 3syl 18 | . . . . . . 7 |
17 | ssexg 4804 | . . . . . . 7 | |
18 | 11, 16, 17 | sylancr 695 | . . . . . 6 |
19 | unieq 4444 | . . . . . . . . . . 11 | |
20 | 19, 12 | syl6eqr 2674 | . . . . . . . . . 10 |
21 | 20 | eqeq1d 2624 | . . . . . . . . 9 |
22 | rexeq 3139 | . . . . . . . . . 10 | |
23 | 20, 22 | raleqbidv 3152 | . . . . . . . . 9 |
24 | 21, 23 | anbi12d 747 | . . . . . . . 8 |
25 | 24 | abbidv 2741 | . . . . . . 7 |
26 | 25, 1 | fvmptg 6280 | . . . . . 6 |
27 | 18, 26 | mpdan 702 | . . . . 5 |
28 | 27 | eleq2d 2687 | . . . 4 |
29 | elex 3212 | . . . . . 6 | |
30 | 29 | adantl 482 | . . . . 5 |
31 | simpr 477 | . . . . . . . . . 10 | |
32 | islocfin.2 | . . . . . . . . . 10 | |
33 | 31, 32 | syl6eq 2672 | . . . . . . . . 9 |
34 | 13 | adantr 481 | . . . . . . . . 9 |
35 | 33, 34 | eqeltrrd 2702 | . . . . . . . 8 |
36 | elex 3212 | . . . . . . . 8 | |
37 | 35, 36 | syl 17 | . . . . . . 7 |
38 | uniexb 6973 | . . . . . . 7 | |
39 | 37, 38 | sylibr 224 | . . . . . 6 |
40 | 39 | adantrr 753 | . . . . 5 |
41 | unieq 4444 | . . . . . . . . 9 | |
42 | 41, 32 | syl6eqr 2674 | . . . . . . . 8 |
43 | 42 | eqeq2d 2632 | . . . . . . 7 |
44 | rabeq 3192 | . . . . . . . . . . 11 | |
45 | 44 | eleq1d 2686 | . . . . . . . . . 10 |
46 | 45 | anbi2d 740 | . . . . . . . . 9 |
47 | 46 | rexbidv 3052 | . . . . . . . 8 |
48 | 47 | ralbidv 2986 | . . . . . . 7 |
49 | 43, 48 | anbi12d 747 | . . . . . 6 |
50 | 49 | elabg 3351 | . . . . 5 |
51 | 30, 40, 50 | pm5.21nd 941 | . . . 4 |
52 | 28, 51 | bitrd 268 | . . 3 |
53 | 4, 52 | biadan2 674 | . 2 |
54 | 3anass 1042 | . 2 | |
55 | 53, 54 | bitr4i 267 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wb 196 wa 384 w3a 1037 wceq 1483 wcel 1990 cab 2608 wne 2794 wral 2912 wrex 2913 crab 2916 cvv 3200 cin 3573 wss 3574 c0 3915 cpw 4158 cuni 4436 cdm 5114 cfv 5888 cfn 7955 ctop 20698 clocfin 21307 |
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-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-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fv 5896 df-top 20699 df-locfin 21310 |
This theorem is referenced by: finlocfin 21323 locfintop 21324 locfinbas 21325 locfinnei 21326 lfinun 21328 dissnlocfin 21332 locfindis 21333 locfincf 21334 locfinreflem 29907 locfinref 29908 |
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