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Mirrors > Home > MPE Home > Th. List > isopn3i | Structured version Visualization version Unicode version |
Description: An open subset equals its own interior. (Contributed by Mario Carneiro, 30-Dec-2016.) |
Ref | Expression |
---|---|
isopn3i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 477 | . 2 | |
2 | elssuni 4467 | . . 3 | |
3 | eqid 2622 | . . . 4 | |
4 | 3 | isopn3 20870 | . . 3 |
5 | 2, 4 | sylan2 491 | . 2 |
6 | 1, 5 | mpbid 222 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wceq 1483 wcel 1990 wss 3574 cuni 4436 cfv 5888 ctop 20698 cnt 20821 |
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-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-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-ntr 20824 |
This theorem is referenced by: maxlp 20951 cnntr 21079 bcth2 23127 dvrec 23718 dvmptres 23726 dvcnvlem 23739 dvlip 23756 dvlipcn 23757 dvlip2 23758 dvne0 23774 lhop2 23778 lhop 23779 psercn 24180 dvlog 24397 dvlog2 24399 cxpcn3 24489 efrlim 24696 lgamgulmlem2 24756 cvmlift2lem11 31295 cvmlift2lem12 31296 binomcxplemdvbinom 38552 binomcxplemnotnn0 38555 limciccioolb 39853 limcicciooub 39869 limcresiooub 39874 limcresioolb 39875 dirkercncflem2 40321 fourierdlem32 40356 fourierdlem33 40357 fourierdlem48 40371 fourierdlem49 40372 fourierdlem62 40385 fouriersw 40448 |
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