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| Mirrors > Home > ILE Home > Th. List > 1rp | Unicode version | ||
| Description: 1 is a positive real. (Contributed by Jeff Hankins, 23-Nov-2008.) |
| Ref | Expression |
|---|---|
| 1rp |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1re 8326 |
. 2
| |
| 2 | 0lt1 8455 |
. 2
| |
| 3 | 1, 2 | elrpii 10068 |
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 8271 ax-resscn 8272 ax-1re 8274 ax-addrcl 8277 ax-0lt1 8286 ax-rnegex 8289 |
| This proof depends on definitions: df-bi 117 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-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-xp 4780 df-pnf 8363 df-mnf 8364 df-ltxr 8366 df-rp 10066 |
| This theorem is used by: rpreccl 10092 rpexpcl 11010 caubnd2 11900 climcaucn 12136 fprodrpcl 12397 isprm6 12945 unirnblps 15614 unirnbl 15615 mopnex 15697 tgioo 15746 cncfmptc 15788 dveflem 15918 log1 16059 logrpap0b 16070 rplogcl 16073 logge0 16074 logge0b 16084 loggt0b 16085 1cxp 16097 rplogb1 16145 logbrec 16157 logbgcd1irraplemexp 16165 iooref1o 17249 qdiff 17265 |
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