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Mirrors > Home > ILE Home > Th. List > hmeocnv | Unicode version |
Description: The converse of a homeomorphism is a homeomorphism. (Contributed by FL, 5-Mar-2007.) (Revised by Mario Carneiro, 22-Aug-2015.) |
Ref | Expression |
---|---|
hmeocnv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | hmeocnvcn 13100 | . 2 | |
2 | hmeocn 13099 | . . . . 5 | |
3 | eqid 2170 | . . . . . 6 | |
4 | eqid 2170 | . . . . . 6 | |
5 | 3, 4 | cnf 12998 | . . . . 5 |
6 | frel 5352 | . . . . 5 | |
7 | 2, 5, 6 | 3syl 17 | . . . 4 |
8 | dfrel2 5061 | . . . 4 | |
9 | 7, 8 | sylib 121 | . . 3 |
10 | 9, 2 | eqeltrd 2247 | . 2 |
11 | ishmeo 13098 | . 2 | |
12 | 1, 10, 11 | sylanbrc 415 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1348 wcel 2141 cuni 3796 ccnv 4610 wrel 4616 wf 5194 (class class class)co 5853 ccn 12979 chmeo 13094 |
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 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-sep 4107 ax-pow 4160 ax-pr 4194 ax-un 4418 ax-setind 4521 |
This theorem depends on definitions: df-bi 116 df-3an 975 df-tru 1351 df-fal 1354 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ne 2341 df-ral 2453 df-rex 2454 df-rab 2457 df-v 2732 df-sbc 2956 df-csb 3050 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-iun 3875 df-br 3990 df-opab 4051 df-mpt 4052 df-id 4278 df-xp 4617 df-rel 4618 df-cnv 4619 df-co 4620 df-dm 4621 df-rn 4622 df-res 4623 df-ima 4624 df-iota 5160 df-fun 5200 df-fn 5201 df-f 5202 df-fv 5206 df-ov 5856 df-oprab 5857 df-mpo 5858 df-1st 6119 df-2nd 6120 df-map 6628 df-top 12790 df-topon 12803 df-cn 12982 df-hmeo 13095 |
This theorem is referenced by: hmeocnvb 13112 |
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