| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > 1rp | GIF version | ||
| Description: 1 is a positive real. (Contributed by Jeff Hankins, 23-Nov-2008.) |
| Ref | Expression |
|---|---|
| 1rp | ⊢ 1 ∈ ℝ+ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1re 8177 | . 2 ⊢ 1 ∈ ℝ | |
| 2 | 0lt1 8305 | . 2 ⊢ 0 < 1 | |
| 3 | 1, 2 | elrpii 9890 | 1 ⊢ 1 ∈ ℝ+ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 1c1 8032 ℝ+crp 9887 |
| 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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-cnex 8122 ax-resscn 8123 ax-1re 8125 ax-addrcl 8128 ax-0lt1 8137 ax-rnegex 8140 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-opab 4151 df-xp 4731 df-pnf 8215 df-mnf 8216 df-ltxr 8218 df-rp 9888 |
| This theorem is referenced by: rpreccl 9914 rpexpcl 10819 caubnd2 11677 climcaucn 11911 fprodrpcl 12171 isprm6 12718 unirnblps 15145 unirnbl 15146 mopnex 15228 tgioo 15277 cncfmptc 15319 dveflem 15449 log1 15589 logrpap0b 15599 rplogcl 15602 logge0 15603 logge0b 15613 loggt0b 15614 1cxp 15623 rplogb1 15671 logbrec 15683 logbgcd1irraplemexp 15691 iooref1o 16638 |
| Copyright terms: Public domain | W3C validator |