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| Mirrors > Home > MPE Home > Th. List > elrpii | Structured version Visualization version GIF version | ||
| Description: Membership in the set of positive reals. (Contributed by NM, 23-Feb-2008.) |
| Ref | Expression |
|---|---|
| elrpi.1 | ⊢ 𝐴 ∈ ℝ |
| elrpi.2 | ⊢ 0 < 𝐴 |
| Ref | Expression |
|---|---|
| elrpii | ⊢ 𝐴 ∈ ℝ+ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrpi.1 | . 2 ⊢ 𝐴 ∈ ℝ | |
| 2 | elrpi.2 | . 2 ⊢ 0 < 𝐴 | |
| 3 | elrp 13146 | . 2 ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
| 4 | 1, 2, 3 | mpbir2an 724 | 1 ⊢ 𝐴 ∈ ℝ+ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2147 class class class wbr 5106 ℝcr 11223 0cc0 11224 < clt 11367 ℝ+crp 13144 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-br 5107 df-rp 13145 |
| This theorem is used by: 1rp 13148 2rp 13149 3rp 13150 5rp 13151 iexpcyc 14375 discr 14408 epr 16402 aaliou3lem1 26696 aaliou3lem2 26697 aaliou3lem3 26698 pirp 26817 pigt3 26873 efif1olem2 26898 cxpsqrtlem 27057 log2cnv 27299 chtublem 27565 chtub 27566 bposlem6 27643 lgsdir2lem1 27679 lgsdir2lem4 27682 lgsdir2lem5 27683 2sqlem11 27783 chebbnd1lem3 27825 chebbnd1 27826 pntlemg 27952 pntlemr 27956 pntlemf 27959 minvecolem3 31505 dp2lt10 33517 ballotlem2 35188 cntotbnd 38921 heiborlem5 38940 heiborlem7 38942 4rp 43548 6rp 43549 7rp 43550 8rp 43551 9rp 43552 isosctrlem1ALT 46105 sineq0ALT 46108 limclner 46864 stoweidlem5 47218 stoweidlem28 47241 stoweidlem59 47272 stoweid 47276 stirlinglem12 47298 fourierswlem 47443 fouriersw 47444 goldrarp 48134 |
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