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| Mirrors > Home > ILE Home > Th. List > elioo2 | Unicode version | ||
| Description: Membership in an open interval of extended reals. (Contributed by NM, 6-Feb-2007.) |
| Ref | Expression |
|---|---|
| elioo2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iooval2 10128 |
. . 3
| |
| 2 | 1 | eleq2d 2299 |
. 2
|
| 3 | breq2 4087 |
. . . . 5
| |
| 4 | breq1 4086 |
. . . . 5
| |
| 5 | 3, 4 | anbi12d 473 |
. . . 4
|
| 6 | 5 | elrab 2959 |
. . 3
|
| 7 | 3anass 1006 |
. . 3
| |
| 8 | 6, 7 | bitr4i 187 |
. 2
|
| 9 | 2, 8 | bitrdi 196 |
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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4259 ax-pr 4294 ax-un 4525 ax-setind 4630 ax-cnex 8106 ax-resscn 8107 ax-pre-ltirr 8127 ax-pre-ltwlin 8128 ax-pre-lttrn 8129 |
| This theorem depends on definitions: df-bi 117 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2801 df-sbc 3029 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-opab 4146 df-id 4385 df-po 4388 df-iso 4389 df-xp 4726 df-rel 4727 df-cnv 4728 df-co 4729 df-dm 4730 df-iota 5281 df-fun 5323 df-fv 5329 df-ov 6013 df-oprab 6014 df-mpo 6015 df-pnf 8199 df-mnf 8200 df-xr 8201 df-ltxr 8202 df-le 8203 df-ioo 10105 |
| This theorem is referenced by: eliooord 10141 elioopnf 10180 elioomnf 10181 dfrp2 10500 bl2ioo 15245 dedekindicc 15328 reeff1oleme 15467 reeff1o 15468 sin0pilem2 15477 pilem3 15478 sincosq1sgn 15521 sincosq2sgn 15522 sincosq3sgn 15523 sincosq4sgn 15524 sinq12gt0 15525 cosq14gt0 15527 cosq23lt0 15528 coseq0q4123 15529 coseq00topi 15530 coseq0negpitopi 15531 sincos6thpi 15537 cosordlem 15544 cos02pilt1 15546 cos0pilt1 15547 ioocosf1o 15549 iooref1o 16516 taupi 16555 |
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