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Mirrors > Home > MPE Home > Th. List > fclsopn | Structured version Visualization version Unicode version |
Description: Write the cluster point condition in terms of open sets. (Contributed by Jeff Hankins, 10-Nov-2009.) (Revised by Mario Carneiro, 26-Aug-2015.) |
Ref | Expression |
---|---|
fclsopn | TopOn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | isfcls2 21817 | . 2 TopOn | |
2 | filn0 21666 | . . . . . 6 | |
3 | 2 | adantl 482 | . . . . 5 TopOn |
4 | r19.2z 4060 | . . . . . 6 | |
5 | 4 | ex 450 | . . . . 5 |
6 | 3, 5 | syl 17 | . . . 4 TopOn |
7 | topontop 20718 | . . . . . . . . 9 TopOn | |
8 | 7 | ad2antrr 762 | . . . . . . . 8 TopOn |
9 | filelss 21656 | . . . . . . . . . 10 | |
10 | 9 | adantll 750 | . . . . . . . . 9 TopOn |
11 | toponuni 20719 | . . . . . . . . . 10 TopOn | |
12 | 11 | ad2antrr 762 | . . . . . . . . 9 TopOn |
13 | 10, 12 | sseqtrd 3641 | . . . . . . . 8 TopOn |
14 | eqid 2622 | . . . . . . . . 9 | |
15 | 14 | clsss3 20863 | . . . . . . . 8 |
16 | 8, 13, 15 | syl2anc 693 | . . . . . . 7 TopOn |
17 | 16, 12 | sseqtr4d 3642 | . . . . . 6 TopOn |
18 | 17 | sseld 3602 | . . . . 5 TopOn |
19 | 18 | rexlimdva 3031 | . . . 4 TopOn |
20 | 6, 19 | syld 47 | . . 3 TopOn |
21 | 20 | pm4.71rd 667 | . 2 TopOn |
22 | 7 | ad3antrrr 766 | . . . . . 6 TopOn |
23 | 13 | adantlr 751 | . . . . . 6 TopOn |
24 | simplr 792 | . . . . . . 7 TopOn | |
25 | 11 | ad3antrrr 766 | . . . . . . 7 TopOn |
26 | 24, 25 | eleqtrd 2703 | . . . . . 6 TopOn |
27 | 14 | elcls 20877 | . . . . . 6 |
28 | 22, 23, 26, 27 | syl3anc 1326 | . . . . 5 TopOn |
29 | 28 | ralbidva 2985 | . . . 4 TopOn |
30 | ralcom 3098 | . . . . 5 | |
31 | r19.21v 2960 | . . . . . 6 | |
32 | 31 | ralbii 2980 | . . . . 5 |
33 | 30, 32 | bitri 264 | . . . 4 |
34 | 29, 33 | syl6bb 276 | . . 3 TopOn |
35 | 34 | pm5.32da 673 | . 2 TopOn |
36 | 1, 21, 35 | 3bitrd 294 | 1 TopOn |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wceq 1483 wcel 1990 wne 2794 wral 2912 wrex 2913 cin 3573 wss 3574 c0 3915 cuni 4436 cfv 5888 (class class class)co 6650 ctop 20698 TopOnctopon 20715 ccl 20822 cfil 21649 cfcls 21740 |
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-rep 4771 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-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 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-iun 4522 df-iin 4523 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-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-fbas 19743 df-top 20699 df-topon 20716 df-cld 20823 df-ntr 20824 df-cls 20825 df-fil 21650 df-fcls 21745 |
This theorem is referenced by: fclsopni 21819 fclselbas 21820 fclsnei 21823 fclsbas 21825 fclsss1 21826 fclsrest 21828 fclscf 21829 isfcf 21838 |
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