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| Mirrors > Home > ILE Home > Th. List > elicc2 | Unicode version | ||
| Description: Membership in a closed real interval. (Contributed by Paul Chapman, 21-Sep-2007.) (Revised by Mario Carneiro, 14-Jun-2014.) |
| Ref | Expression |
|---|---|
| elicc2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rexr 8377 |
. . 3
| |
| 2 | rexr 8377 |
. . 3
| |
| 3 | elicc1 10342 |
. . 3
| |
| 4 | 1, 2, 3 | syl2an 289 |
. 2
|
| 5 | mnfxr 8388 |
. . . . . . . 8
| |
| 6 | 5 | a1i 9 |
. . . . . . 7
|
| 7 | 1 | ad2antrr 492 |
. . . . . . 7
|
| 8 | simpr1 1034 |
. . . . . . 7
| |
| 9 | mnflt 10201 |
. . . . . . . 8
| |
| 10 | 9 | ad2antrr 492 |
. . . . . . 7
|
| 11 | simpr2 1035 |
. . . . . . 7
| |
| 12 | 6, 7, 8, 10, 11 | xrltletrd 10229 |
. . . . . 6
|
| 13 | 2 | ad2antlr 493 |
. . . . . . 7
|
| 14 | pnfxr 8384 |
. . . . . . . 8
| |
| 15 | 14 | a1i 9 |
. . . . . . 7
|
| 16 | simpr3 1036 |
. . . . . . 7
| |
| 17 | ltpnf 10198 |
. . . . . . . 8
| |
| 18 | 17 | ad2antlr 493 |
. . . . . . 7
|
| 19 | 8, 13, 15, 16, 18 | xrlelttrd 10228 |
. . . . . 6
|
| 20 | xrrebnd 10237 |
. . . . . . 7
| |
| 21 | 8, 20 | syl 14 |
. . . . . 6
|
| 22 | 12, 19, 21 | mpbir2and 957 |
. . . . 5
|
| 23 | 22, 11, 16 | 3jca 1208 |
. . . 4
|
| 24 | 23 | ex 115 |
. . 3
|
| 25 | rexr 8377 |
. . . 4
| |
| 26 | 25 | 3anim1i 1216 |
. . 3
|
| 27 | 24, 26 | impbid1 142 |
. 2
|
| 28 | 4, 27 | bitrd 188 |
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 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-pre-ltirr 8297 ax-pre-ltwlin 8298 ax-pre-lttrn 8299 |
| 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 4132 df-opab 4194 df-id 4440 df-po 4443 df-iso 4444 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-iota 5340 df-fun 5382 df-fv 5388 df-ov 6091 df-oprab 6092 df-mpo 6093 df-pnf 8368 df-mnf 8369 df-xr 8370 df-ltxr 8371 df-le 8372 df-icc 10313 |
| This theorem is used by: elicc2i 10357 iccssre 10373 iccsupr 10384 iccneg 10407 iccshftr 10412 iccshftl 10414 iccdil 10416 icccntr 10418 lincmble 10422 iccf1o 10423 suplociccreex 15867 suplociccex 15868 ivthinclemlopn 15879 ivthinclemuopn 15881 log2tlbndlog2 16237 ppiqsval 16257 chtqleppi 16311 |
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