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Mirrors > Home > MPE Home > Th. List > flimsncls | Structured version Visualization version Unicode version |
Description: If is a limit point of the filter , then all the points which specialize (in the specialization preorder) are also limit points. Thus, the set of limit points is a union of closed sets (although this is only nontrivial for non-T1 spaces). (Contributed by Mario Carneiro, 20-Sep-2015.) |
Ref | Expression |
---|---|
flimsncls |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | flimtop 21769 | . . . . . 6 | |
2 | eqid 2622 | . . . . . . . 8 | |
3 | 2 | flimelbas 21772 | . . . . . . 7 |
4 | 3 | snssd 4340 | . . . . . 6 |
5 | 2 | clsss3 20863 | . . . . . 6 |
6 | 1, 4, 5 | syl2anc 693 | . . . . 5 |
7 | 6 | sselda 3603 | . . . 4 |
8 | simpll 790 | . . . . . . 7 | |
9 | 8, 1 | syl 17 | . . . . . . . 8 |
10 | simprl 794 | . . . . . . . 8 | |
11 | 1 | adantr 481 | . . . . . . . . . 10 |
12 | 4 | adantr 481 | . . . . . . . . . 10 |
13 | simpr 477 | . . . . . . . . . 10 | |
14 | 11, 12, 13 | 3jca 1242 | . . . . . . . . 9 |
15 | 2 | clsndisj 20879 | . . . . . . . . . 10 |
16 | disjsn 4246 | . . . . . . . . . . 11 | |
17 | 16 | necon2abii 2844 | . . . . . . . . . 10 |
18 | 15, 17 | sylibr 224 | . . . . . . . . 9 |
19 | 14, 18 | sylan 488 | . . . . . . . 8 |
20 | opnneip 20923 | . . . . . . . 8 | |
21 | 9, 10, 19, 20 | syl3anc 1326 | . . . . . . 7 |
22 | flimnei 21771 | . . . . . . 7 | |
23 | 8, 21, 22 | syl2anc 693 | . . . . . 6 |
24 | 23 | expr 643 | . . . . 5 |
25 | 24 | ralrimiva 2966 | . . . 4 |
26 | 2 | toptopon 20722 | . . . . . 6 TopOn |
27 | 11, 26 | sylib 208 | . . . . 5 TopOn |
28 | 2 | flimfil 21773 | . . . . . 6 |
29 | 28 | adantr 481 | . . . . 5 |
30 | flimopn 21779 | . . . . 5 TopOn | |
31 | 27, 29, 30 | syl2anc 693 | . . . 4 |
32 | 7, 25, 31 | mpbir2and 957 | . . 3 |
33 | 32 | ex 450 | . 2 |
34 | 33 | ssrdv 3609 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 w3a 1037 wcel 1990 wne 2794 wral 2912 cin 3573 wss 3574 c0 3915 csn 4177 cuni 4436 cfv 5888 (class class class)co 6650 ctop 20698 TopOnctopon 20715 ccl 20822 cnei 20901 cfil 21649 cflim 21738 |
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-nei 20902 df-fil 21650 df-flim 21743 |
This theorem is referenced by: tsmscls 21941 |
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