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| Mirrors > Home > ILE Home > Th. List > elioore | Unicode version | ||
| Description: A member of an open interval of reals is a real. (Contributed by NM, 17-Aug-2008.) (Revised by Mario Carneiro, 3-Nov-2013.) |
| Ref | Expression |
|---|---|
| elioore |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elioo3g 10312 |
. 2
| |
| 2 | 3ancomb 1017 |
. . 3
| |
| 3 | xrre2 10223 |
. . 3
| |
| 4 | 2, 3 | sylanb 284 |
. 2
|
| 5 | 1, 4 | sylbi 121 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on 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 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8270 ax-resscn 8271 ax-pre-ltirr 8291 ax-pre-ltwlin 8292 ax-pre-lttrn 8293 |
| This proof 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-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-id 4438 df-po 4441 df-iso 4442 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-iota 5337 df-fun 5379 df-fv 5385 df-ov 6088 df-oprab 6089 df-mpo 6090 df-pnf 8362 df-mnf 8363 df-xr 8364 df-ltxr 8365 df-le 8366 df-ioo 10294 |
| This theorem is used by: iooval2 10317 elioo4g 10336 ioossre 10337 zltaddlt1le 10410 tgioo 15655 ivthinc 15744 ivthdichlem 15752 reeff1oleme 15873 sin0pilem1 15882 sin0pilem2 15883 pilem3 15884 pire 15887 sinq34lt0t 15932 cosq14gt0 15933 cosq23lt0 15934 coseq0q4123 15935 tanrpcl 15938 tangtx 15939 cos02pilt1 15952 cos0pilt1 15953 ioocosf1o 15955 iooref1o 17083 |
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