| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 10155 |
. . 3
| |
| 2 | 1 | eleq2d 2300 |
. 2
|
| 3 | breq2 4093 |
. . . . 5
| |
| 4 | breq1 4092 |
. . . . 5
| |
| 5 | 3, 4 | anbi12d 473 |
. . . 4
|
| 6 | 5 | elrab 2961 |
. . 3
|
| 7 | 3anass 1008 |
. . 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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-sep 4208 ax-pow 4266 ax-pr 4301 ax-un 4532 ax-setind 4637 ax-cnex 8128 ax-resscn 8129 ax-pre-ltirr 8149 ax-pre-ltwlin 8150 ax-pre-lttrn 8151 |
| This theorem depends on definitions: df-bi 117 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ne 2402 df-nel 2497 df-ral 2514 df-rex 2515 df-rab 2518 df-v 2803 df-sbc 3031 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-br 4090 df-opab 4152 df-id 4392 df-po 4395 df-iso 4396 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-iota 5288 df-fun 5330 df-fv 5336 df-ov 6026 df-oprab 6027 df-mpo 6028 df-pnf 8221 df-mnf 8222 df-xr 8223 df-ltxr 8224 df-le 8225 df-ioo 10132 |
| This theorem is referenced by: eliooord 10168 elioopnf 10207 elioomnf 10208 dfrp2 10529 bl2ioo 15303 dedekindicc 15386 reeff1oleme 15525 reeff1o 15526 sin0pilem2 15535 pilem3 15536 sincosq1sgn 15579 sincosq2sgn 15580 sincosq3sgn 15581 sincosq4sgn 15582 sinq12gt0 15583 cosq14gt0 15585 cosq23lt0 15586 coseq0q4123 15587 coseq00topi 15588 coseq0negpitopi 15589 sincos6thpi 15595 cosordlem 15602 cos02pilt1 15604 cos0pilt1 15605 ioocosf1o 15607 iooref1o 16705 taupi 16745 |
| Copyright terms: Public domain | W3C validator |