Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > resttopon2 | Unicode version |
Description: The underlying set of a subspace topology. (Contributed by Mario Carneiro, 13-Aug-2015.) |
Ref | Expression |
---|---|
resttopon2 | TopOn ↾t TopOn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | topontop 12092 | . . 3 TopOn | |
2 | resttop 12250 | . . 3 ↾t | |
3 | 1, 2 | sylan 281 | . 2 TopOn ↾t |
4 | toponuni 12093 | . . . . 5 TopOn | |
5 | 4 | ineq2d 3247 | . . . 4 TopOn |
6 | 5 | adantr 274 | . . 3 TopOn |
7 | eqid 2117 | . . . . 5 | |
8 | 7 | restuni2 12257 | . . . 4 ↾t |
9 | 1, 8 | sylan 281 | . . 3 TopOn ↾t |
10 | 6, 9 | eqtrd 2150 | . 2 TopOn ↾t |
11 | istopon 12091 | . 2 ↾t TopOn ↾t ↾t | |
12 | 3, 10, 11 | sylanbrc 413 | 1 TopOn ↾t TopOn |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1316 wcel 1465 cin 3040 cuni 3706 cfv 5093 (class class class)co 5742 ↾t crest 12031 ctop 12075 TopOnctopon 12088 |
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 588 ax-in2 589 ax-io 683 ax-5 1408 ax-7 1409 ax-gen 1410 ax-ie1 1454 ax-ie2 1455 ax-8 1467 ax-10 1468 ax-11 1469 ax-i12 1470 ax-bndl 1471 ax-4 1472 ax-13 1476 ax-14 1477 ax-17 1491 ax-i9 1495 ax-ial 1499 ax-i5r 1500 ax-ext 2099 ax-coll 4013 ax-sep 4016 ax-pow 4068 ax-pr 4101 ax-un 4325 ax-setind 4422 |
This theorem depends on definitions: df-bi 116 df-3an 949 df-tru 1319 df-fal 1322 df-nf 1422 df-sb 1721 df-eu 1980 df-mo 1981 df-clab 2104 df-cleq 2110 df-clel 2113 df-nfc 2247 df-ne 2286 df-ral 2398 df-rex 2399 df-reu 2400 df-rab 2402 df-v 2662 df-sbc 2883 df-csb 2976 df-dif 3043 df-un 3045 df-in 3047 df-ss 3054 df-pw 3482 df-sn 3503 df-pr 3504 df-op 3506 df-uni 3707 df-iun 3785 df-br 3900 df-opab 3960 df-mpt 3961 df-id 4185 df-xp 4515 df-rel 4516 df-cnv 4517 df-co 4518 df-dm 4519 df-rn 4520 df-res 4521 df-ima 4522 df-iota 5058 df-fun 5095 df-fn 5096 df-f 5097 df-f1 5098 df-fo 5099 df-f1o 5100 df-fv 5101 df-ov 5745 df-oprab 5746 df-mpo 5747 df-1st 6006 df-2nd 6007 df-rest 12033 df-topgen 12052 df-top 12076 df-topon 12089 df-bases 12121 |
This theorem is referenced by: lmss 12326 |
Copyright terms: Public domain | W3C validator |