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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 8325 |
. 2
| |
| 2 | 0lt1 8453 |
. 2
| |
| 3 | 1, 2 | elrpii 10057 |
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-1re 8273 ax-addrcl 8276 ax-0lt1 8285 ax-rnegex 8288 |
| 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 8362 df-mnf 8363 df-ltxr 8365 df-rp 10055 |
| This theorem is used by: rpreccl 10081 rpexpcl 10995 caubnd2 11883 climcaucn 12117 fprodrpcl 12378 isprm6 12925 unirnblps 15523 unirnbl 15524 mopnex 15606 tgioo 15655 cncfmptc 15697 dveflem 15827 log1 15967 logrpap0b 15977 rplogcl 15980 logge0 15981 logge0b 15991 loggt0b 15992 1cxp 16002 rplogb1 16050 logbrec 16062 logbgcd1irraplemexp 16070 iooref1o 17083 qdiff 17098 |
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