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Mirrors > Home > MPE Home > Th. List > nrmr0reg | Structured version Visualization version Unicode version |
Description: A normal R0 space is also regular. These spaces are usually referred to as normal regular spaces. (Contributed by Mario Carneiro, 25-Aug-2015.) |
Ref | Expression |
---|---|
nrmr0reg | KQ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nrmtop 21140 | . . 3 | |
2 | 1 | adantr 481 | . 2 KQ |
3 | simpll 790 | . . . . 5 KQ | |
4 | simprl 794 | . . . . 5 KQ | |
5 | 2 | adantr 481 | . . . . . . 7 KQ |
6 | eqid 2622 | . . . . . . . 8 | |
7 | 6 | toptopon 20722 | . . . . . . 7 TopOn |
8 | 5, 7 | sylib 208 | . . . . . 6 KQ TopOn |
9 | simplr 792 | . . . . . 6 KQ KQ | |
10 | simprr 796 | . . . . . . 7 KQ | |
11 | elunii 4441 | . . . . . . 7 | |
12 | 10, 4, 11 | syl2anc 693 | . . . . . 6 KQ |
13 | eqid 2622 | . . . . . . 7 | |
14 | 13 | r0cld 21541 | . . . . . 6 TopOn KQ |
15 | 8, 9, 12, 14 | syl3anc 1326 | . . . . 5 KQ |
16 | simp1rr 1127 | . . . . . . 7 KQ | |
17 | 4 | adantr 481 | . . . . . . . . 9 KQ |
18 | elequ2 2004 | . . . . . . . . . . 11 | |
19 | elequ2 2004 | . . . . . . . . . . 11 | |
20 | 18, 19 | bibi12d 335 | . . . . . . . . . 10 |
21 | 20 | rspcv 3305 | . . . . . . . . 9 |
22 | 17, 21 | syl 17 | . . . . . . . 8 KQ |
23 | 22 | 3impia 1261 | . . . . . . 7 KQ |
24 | 16, 23 | mpbird 247 | . . . . . 6 KQ |
25 | 24 | rabssdv 3682 | . . . . 5 KQ |
26 | nrmsep3 21159 | . . . . 5 | |
27 | 3, 4, 15, 25, 26 | syl13anc 1328 | . . . 4 KQ |
28 | biidd 252 | . . . . . . . . 9 KQ | |
29 | 28 | ralrimivw 2967 | . . . . . . . 8 KQ |
30 | elequ1 1997 | . . . . . . . . . . 11 | |
31 | 30 | bibi1d 333 | . . . . . . . . . 10 |
32 | 31 | ralbidv 2986 | . . . . . . . . 9 |
33 | 32 | elrab 3363 | . . . . . . . 8 |
34 | 12, 29, 33 | sylanbrc 698 | . . . . . . 7 KQ |
35 | ssel 3597 | . . . . . . 7 | |
36 | 34, 35 | syl5com 31 | . . . . . 6 KQ |
37 | 36 | anim1d 588 | . . . . 5 KQ |
38 | 37 | reximdv 3016 | . . . 4 KQ |
39 | 27, 38 | mpd 15 | . . 3 KQ |
40 | 39 | ralrimivva 2971 | . 2 KQ |
41 | isreg 21136 | . 2 | |
42 | 2, 40, 41 | sylanbrc 698 | 1 KQ |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 w3a 1037 wcel 1990 wral 2912 wrex 2913 crab 2916 wss 3574 cuni 4436 cmpt 4729 cfv 5888 ctop 20698 TopOnctopon 20715 ccld 20820 ccl 20822 ct1 21111 creg 21113 cnrm 21114 KQckq 21496 |
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-ov 6653 df-oprab 6654 df-mpt2 6655 df-map 7859 df-qtop 16167 df-top 20699 df-topon 20716 df-cld 20823 df-cn 21031 df-t1 21118 df-reg 21120 df-nrm 21121 df-kq 21497 |
This theorem is referenced by: nrmreg 21627 |
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