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Mirrors > Home > MPE Home > Th. List > sscls | Structured version Visualization version Unicode version |
Description: A subset of a topology's underlying set is included in its closure. (Contributed by NM, 22-Feb-2007.) |
Ref | Expression |
---|---|
clscld.1 |
Ref | Expression |
---|---|
sscls |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssintub 4495 | . 2 | |
2 | clscld.1 | . . 3 | |
3 | 2 | clsval 20841 | . 2 |
4 | 1, 3 | syl5sseqr 3654 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wceq 1483 wcel 1990 crab 2916 wss 3574 cuni 4436 cint 4475 cfv 5888 ctop 20698 ccld 20820 ccl 20822 |
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 |
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-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-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-top 20699 df-cld 20823 df-cls 20825 |
This theorem is referenced by: iscld4 20869 elcls 20877 ntrcls0 20880 clslp 20952 restcls 20985 cncls2i 21074 nrmsep 21161 lpcls 21168 regsep2 21180 hauscmplem 21209 hauscmp 21210 clsconn 21233 conncompcld 21237 hausllycmp 21297 txcls 21407 ptclsg 21418 regr1lem 21542 kqreglem1 21544 kqreglem2 21545 kqnrmlem1 21546 kqnrmlem2 21547 fclscmpi 21833 flfcntr 21847 cnextfres 21873 clssubg 21912 tsmsid 21943 cnllycmp 22755 clsocv 23049 relcmpcmet 23115 bcthlem2 23122 bcthlem4 23124 limcnlp 23642 opnbnd 32320 opnregcld 32325 cldregopn 32326 heibor1lem 33608 heiborlem8 33617 |
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