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Mirrors > Home > ILE Home > Th. List > cntop1 | Unicode version |
Description: Reverse closure for a continuous function. (Contributed by Mario Carneiro, 21-Aug-2015.) |
Ref | Expression |
---|---|
cntop1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2164 | . . . 4 | |
2 | eqid 2164 | . . . 4 | |
3 | 1, 2 | iscn2 12747 | . . 3 |
4 | 3 | simplbi 272 | . 2 |
5 | 4 | simpld 111 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wcel 2135 wral 2442 cuni 3783 ccnv 4597 cima 4601 wf 5178 (class class class)co 5836 ctop 12542 ccn 12732 |
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 604 ax-in2 605 ax-io 699 ax-5 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-13 2137 ax-14 2138 ax-ext 2146 ax-sep 4094 ax-pow 4147 ax-pr 4181 ax-un 4405 ax-setind 4508 |
This theorem depends on definitions: df-bi 116 df-3an 969 df-tru 1345 df-fal 1348 df-nf 1448 df-sb 1750 df-eu 2016 df-mo 2017 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-ne 2335 df-ral 2447 df-rex 2448 df-rab 2451 df-v 2723 df-sbc 2947 df-csb 3041 df-dif 3113 df-un 3115 df-in 3117 df-ss 3124 df-pw 3555 df-sn 3576 df-pr 3577 df-op 3579 df-uni 3784 df-iun 3862 df-br 3977 df-opab 4038 df-mpt 4039 df-id 4265 df-xp 4604 df-rel 4605 df-cnv 4606 df-co 4607 df-dm 4608 df-rn 4609 df-res 4610 df-ima 4611 df-iota 5147 df-fun 5184 df-fn 5185 df-f 5186 df-fv 5190 df-ov 5839 df-oprab 5840 df-mpo 5841 df-1st 6100 df-2nd 6101 df-map 6607 df-top 12543 df-topon 12556 df-cn 12735 |
This theorem is referenced by: cnco 12768 cnclima 12770 cnntri 12771 cnss2 12774 cncnpi 12775 cncnp2m 12778 cnrest 12782 cnrest2 12783 cnrest2r 12784 lmcn 12798 txcnmpt 12820 uptx 12821 txcn 12822 cnmpt21f 12839 hmeof1o 12856 hmeores 12862 txhmeo 12866 |
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