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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 8156 |
. 2
| |
| 2 | 0lt1 8284 |
. 2
| |
| 3 | 1, 2 | elrpii 9864 |
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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-cnex 8101 ax-resscn 8102 ax-1re 8104 ax-addrcl 8107 ax-0lt1 8116 ax-rnegex 8119 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2801 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-opab 4146 df-xp 4725 df-pnf 8194 df-mnf 8195 df-ltxr 8197 df-rp 9862 |
| This theorem is referenced by: rpreccl 9888 rpexpcl 10792 caubnd2 11644 climcaucn 11878 fprodrpcl 12138 isprm6 12685 unirnblps 15112 unirnbl 15113 mopnex 15195 tgioo 15244 cncfmptc 15286 dveflem 15416 log1 15556 logrpap0b 15566 rplogcl 15569 logge0 15570 logge0b 15580 loggt0b 15581 1cxp 15590 rplogb1 15638 logbrec 15650 logbgcd1irraplemexp 15658 iooref1o 16490 |
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