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Mirrors > Home > ILE Home > Th. List > cnrest2r | Unicode version |
Description: Equivalence of continuity in the parent topology and continuity in a subspace. (Contributed by Jeff Madsen, 2-Sep-2009.) (Revised by Mario Carneiro, 7-Jun-2014.) |
Ref | Expression |
---|---|
cnrest2r | ↾t |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 109 | . . . . 5 ↾t ↾t | |
2 | cntop2 12374 | . . . . . . . 8 ↾t ↾t | |
3 | 2 | adantl 275 | . . . . . . 7 ↾t ↾t |
4 | restrcl 12339 | . . . . . . 7 ↾t | |
5 | eqid 2139 | . . . . . . . 8 | |
6 | 5 | restin 12348 | . . . . . . 7 ↾t ↾t |
7 | 3, 4, 6 | 3syl 17 | . . . . . 6 ↾t ↾t ↾t |
8 | 7 | oveq2d 5790 | . . . . 5 ↾t ↾t ↾t |
9 | 1, 8 | eleqtrd 2218 | . . . 4 ↾t ↾t |
10 | simpl 108 | . . . . . 6 ↾t | |
11 | 5 | toptopon 12188 | . . . . . 6 TopOn |
12 | 10, 11 | sylib 121 | . . . . 5 ↾t TopOn |
13 | cntop1 12373 | . . . . . . . . 9 ↾t | |
14 | 13 | adantl 275 | . . . . . . . 8 ↾t |
15 | eqid 2139 | . . . . . . . . 9 | |
16 | 15 | toptopon 12188 | . . . . . . . 8 TopOn |
17 | 14, 16 | sylib 121 | . . . . . . 7 ↾t TopOn |
18 | inss2 3297 | . . . . . . . 8 | |
19 | resttopon 12343 | . . . . . . . 8 TopOn ↾t TopOn | |
20 | 12, 18, 19 | sylancl 409 | . . . . . . 7 ↾t ↾t TopOn |
21 | cnf2 12377 | . . . . . . 7 TopOn ↾t TopOn ↾t | |
22 | 17, 20, 9, 21 | syl3anc 1216 | . . . . . 6 ↾t |
23 | 22 | frnd 5282 | . . . . 5 ↾t |
24 | 18 | a1i 9 | . . . . 5 ↾t |
25 | cnrest2 12408 | . . . . 5 TopOn ↾t | |
26 | 12, 23, 24, 25 | syl3anc 1216 | . . . 4 ↾t ↾t |
27 | 9, 26 | mpbird 166 | . . 3 ↾t |
28 | 27 | ex 114 | . 2 ↾t |
29 | 28 | ssrdv 3103 | 1 ↾t |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1331 wcel 1480 cvv 2686 cin 3070 wss 3071 cuni 3736 crn 4540 wf 5119 cfv 5123 (class class class)co 5774 ↾t crest 12123 ctop 12167 TopOnctopon 12180 ccn 12357 |
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-nul 3364 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-map 6544 df-rest 12125 df-topgen 12144 df-top 12168 df-topon 12181 df-bases 12213 df-cn 12360 |
This theorem is referenced by: cnrehmeocntop 12765 |
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