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| Mirrors > Home > ILE Home > Th. List > ioof | Unicode version | ||
| Description: The set of open intervals of extended reals maps to subsets of reals. (Contributed by NM, 7-Feb-2007.) (Revised by Mario Carneiro, 16-Nov-2013.) |
| Ref | Expression |
|---|---|
| ioof |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iooval 10289 |
. . . 4
| |
| 2 | ioossre 10316 |
. . . . 5
| |
| 3 | df-ov 6078 |
. . . . . . 7
| |
| 4 | iooex 10288 |
. . . . . . . 8
| |
| 5 | vex 2824 |
. . . . . . . . 9
| |
| 6 | vex 2824 |
. . . . . . . . 9
| |
| 7 | 5, 6 | opex 4364 |
. . . . . . . 8
|
| 8 | 4, 7 | fvex 5710 |
. . . . . . 7
|
| 9 | 3, 8 | eqeltri 2311 |
. . . . . 6
|
| 10 | 9 | elpw 3691 |
. . . . 5
|
| 11 | 2, 10 | mpbir 146 |
. . . 4
|
| 12 | 1, 11 | eqeltrrdi 2330 |
. . 3
|
| 13 | 12 | rgen2a 2604 |
. 2
|
| 14 | df-ioo 10273 |
. . 3
| |
| 15 | 14 | fmpo 6427 |
. 2
|
| 16 | 13, 15 | mpbi 145 |
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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-cnex 8260 ax-resscn 8261 ax-pre-ltirr 8281 ax-pre-ltwlin 8282 ax-pre-lttrn 8283 |
| This theorem depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-iun 4009 df-br 4126 df-opab 4188 df-mpt 4189 df-id 4433 df-po 4436 df-iso 4437 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-fv 5380 df-ov 6078 df-oprab 6079 df-mpo 6080 df-1st 6364 df-2nd 6365 df-pnf 8352 df-mnf 8353 df-xr 8354 df-ltxr 8355 df-le 8356 df-ioo 10273 |
| This theorem is referenced by: unirnioo 10354 dfioo2 10355 ioorebasg 10356 qtopbasss 15545 retopbas 15547 tgioo 15578 tgqioo 15579 |
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