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Mirrors > Home > ILE Home > Th. List > cntop2 | Unicode version |
Description: Reverse closure for a continuous function. (Contributed by Mario Carneiro, 21-Aug-2015.) |
Ref | Expression |
---|---|
cntop2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2139 | . . . 4 | |
2 | eqid 2139 | . . . 4 | |
3 | 1, 2 | iscn2 12369 | . . 3 |
4 | 3 | simplbi 272 | . 2 |
5 | 4 | simprd 113 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wcel 1480 wral 2416 cuni 3736 ccnv 4538 cima 4542 wf 5119 (class class class)co 5774 ctop 12164 ccn 12354 |
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-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-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-fv 5131 df-ov 5777 df-oprab 5778 df-mpo 5779 df-1st 6038 df-2nd 6039 df-map 6544 df-top 12165 df-topon 12178 df-cn 12357 |
This theorem is referenced by: cnco 12390 cnntri 12393 cnss1 12395 cncnpi 12397 cncnp2m 12400 cnrest 12404 cnrest2r 12406 lmcn 12420 txcnmpt 12442 uptx 12443 lmcn2 12449 cnmpt11 12452 cnmpt11f 12453 cnmpt1t 12454 cnmpt12 12456 cnmpt21 12460 cnmpt2t 12462 cnmpt22 12463 cnmpt22f 12464 cnmptcom 12467 hmeof1o 12478 hmeontr 12482 hmeores 12484 txhmeo 12488 |
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