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| Mirrors > Home > ILE Home > Th. List > hmeoimaf1o | Unicode version | ||
| Description: The function mapping open sets to their images under a homeomorphism is a bijection of topologies. (Contributed by Mario Carneiro, 10-Sep-2015.) |
| Ref | Expression |
|---|---|
| hmeoimaf1o.1 |
|
| Ref | Expression |
|---|---|
| hmeoimaf1o |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hmeoimaf1o.1 |
. 2
| |
| 2 | hmeoima 15121 |
. 2
| |
| 3 | hmeocn 15116 |
. . 3
| |
| 4 | cnima 15031 |
. . 3
| |
| 5 | 3, 4 | sylan 283 |
. 2
|
| 6 | eqid 2231 |
. . . . . . 7
| |
| 7 | eqid 2231 |
. . . . . . 7
| |
| 8 | 6, 7 | hmeof1o 15120 |
. . . . . 6
|
| 9 | 8 | adantr 276 |
. . . . 5
|
| 10 | f1of1 5591 |
. . . . 5
| |
| 11 | 9, 10 | syl 14 |
. . . 4
|
| 12 | elssuni 3926 |
. . . . 5
| |
| 13 | 12 | ad2antrl 490 |
. . . 4
|
| 14 | cnvimass 5106 |
. . . . 5
| |
| 15 | f1dm 5556 |
. . . . . 6
| |
| 16 | 11, 15 | syl 14 |
. . . . 5
|
| 17 | 14, 16 | sseqtrid 3278 |
. . . 4
|
| 18 | f1imaeq 5926 |
. . . 4
| |
| 19 | 11, 13, 17, 18 | syl12anc 1272 |
. . 3
|
| 20 | f1ofo 5599 |
. . . . . . 7
| |
| 21 | 9, 20 | syl 14 |
. . . . . 6
|
| 22 | elssuni 3926 |
. . . . . . 7
| |
| 23 | 22 | ad2antll 491 |
. . . . . 6
|
| 24 | foimacnv 5610 |
. . . . . 6
| |
| 25 | 21, 23, 24 | syl2anc 411 |
. . . . 5
|
| 26 | 25 | eqeq2d 2243 |
. . . 4
|
| 27 | eqcom 2233 |
. . . 4
| |
| 28 | 26, 27 | bitrdi 196 |
. . 3
|
| 29 | 19, 28 | bitr3d 190 |
. 2
|
| 30 | 1, 2, 5, 29 | f1o2d 6238 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 df-ov 6031 df-oprab 6032 df-mpo 6033 df-1st 6312 df-2nd 6313 df-map 6862 df-top 14809 df-topon 14822 df-cn 14999 df-hmeo 15112 |
| This theorem is referenced by: (None) |
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