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Mirrors > Home > ILE Home > Th. List > resttopon | Unicode version |
Description: A subspace topology is a topology on the base set. (Contributed by Mario Carneiro, 13-Aug-2015.) |
Ref | Expression |
---|---|
resttopon | TopOn ↾t TopOn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | topontop 12181 | . . . 4 TopOn | |
2 | 1 | adantr 274 | . . 3 TopOn |
3 | id 19 | . . . 4 | |
4 | toponmax 12192 | . . . 4 TopOn | |
5 | ssexg 4067 | . . . 4 | |
6 | 3, 4, 5 | syl2anr 288 | . . 3 TopOn |
7 | resttop 12339 | . . 3 ↾t | |
8 | 2, 6, 7 | syl2anc 408 | . 2 TopOn ↾t |
9 | simpr 109 | . . . . . 6 TopOn | |
10 | sseqin2 3295 | . . . . . 6 | |
11 | 9, 10 | sylib 121 | . . . . 5 TopOn |
12 | simpl 108 | . . . . . 6 TopOn TopOn | |
13 | 4 | adantr 274 | . . . . . 6 TopOn |
14 | elrestr 12128 | . . . . . 6 TopOn ↾t | |
15 | 12, 6, 13, 14 | syl3anc 1216 | . . . . 5 TopOn ↾t |
16 | 11, 15 | eqeltrrd 2217 | . . . 4 TopOn ↾t |
17 | elssuni 3764 | . . . 4 ↾t ↾t | |
18 | 16, 17 | syl 14 | . . 3 TopOn ↾t |
19 | restval 12126 | . . . . . 6 TopOn ↾t | |
20 | 6, 19 | syldan 280 | . . . . 5 TopOn ↾t |
21 | inss2 3297 | . . . . . . . . 9 | |
22 | vex 2689 | . . . . . . . . . . 11 | |
23 | 22 | inex1 4062 | . . . . . . . . . 10 |
24 | 23 | elpw 3516 | . . . . . . . . 9 |
25 | 21, 24 | mpbir 145 | . . . . . . . 8 |
26 | 25 | a1i 9 | . . . . . . 7 TopOn |
27 | 26 | fmpttd 5575 | . . . . . 6 TopOn |
28 | 27 | frnd 5282 | . . . . 5 TopOn |
29 | 20, 28 | eqsstrd 3133 | . . . 4 TopOn ↾t |
30 | sspwuni 3897 | . . . 4 ↾t ↾t | |
31 | 29, 30 | sylib 121 | . . 3 TopOn ↾t |
32 | 18, 31 | eqssd 3114 | . 2 TopOn ↾t |
33 | istopon 12180 | . 2 ↾t TopOn ↾t ↾t | |
34 | 8, 32, 33 | sylanbrc 413 | 1 TopOn ↾t TopOn |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1331 wcel 1480 cvv 2686 cin 3070 wss 3071 cpw 3510 cuni 3736 cmpt 3989 crn 4540 cfv 5123 (class class class)co 5774 ↾t crest 12120 ctop 12164 TopOnctopon 12177 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-coll 4043 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-un 4355 ax-setind 4452 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-ral 2421 df-rex 2422 df-reu 2423 df-rab 2425 df-v 2688 df-sbc 2910 df-csb 3004 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-iun 3815 df-br 3930 df-opab 3990 df-mpt 3991 df-id 4215 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-rn 4550 df-res 4551 df-ima 4552 df-iota 5088 df-fun 5125 df-fn 5126 df-f 5127 df-f1 5128 df-fo 5129 df-f1o 5130 df-fv 5131 df-ov 5777 df-oprab 5778 df-mpo 5779 df-1st 6038 df-2nd 6039 df-rest 12122 df-topgen 12141 df-top 12165 df-topon 12178 df-bases 12210 |
This theorem is referenced by: restuni 12341 stoig 12342 cnrest 12404 cnrest2 12405 cnrest2r 12406 cnptopresti 12407 cnptoprest 12408 cnptoprest2 12409 divcnap 12724 cncfmpt2fcntop 12754 cnplimcim 12805 cnlimcim 12809 cnlimc 12810 limccnpcntop 12813 limccnp2lem 12814 limccnp2cntop 12815 dvfvalap 12819 dvbss 12823 dvfgg 12826 dvcnp2cntop 12832 dvcn 12833 dvaddxxbr 12834 dvmulxxbr 12835 |
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