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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 13046 | . 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 2145 class class class wbr 5107 ℝcr 11126 0cc0 11127 < clt 11270 ℝ+crp 13044 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2734 |
| 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 2100 df-clab 2741 df-cleq 2754 df-clel 2837 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-br 5108 df-rp 13045 |
| This theorem is used by: 1rp 13048 2rp 13049 3rp 13050 5rp 13051 iexpcyc 14273 discr 14306 epr 16300 aaliou3lem1 26575 aaliou3lem2 26576 aaliou3lem3 26577 pirp 26696 pigt3 26753 efif1olem2 26778 cxpsqrtlem 26937 log2cnv 27179 chtublem 27445 chtub 27446 bposlem6 27523 lgsdir2lem1 27559 lgsdir2lem4 27562 lgsdir2lem5 27563 2sqlem11 27663 chebbnd1lem3 27705 chebbnd1 27706 pntlemg 27832 pntlemr 27836 pntlemf 27839 minvecolem3 31343 dp2lt10 33316 ballotlem2 34987 cntotbnd 38533 heiborlem5 38552 heiborlem7 38554 4rp 43162 6rp 43163 7rp 43164 8rp 43165 9rp 43166 isosctrlem1ALT 45743 sineq0ALT 45746 limclner 46466 stoweidlem5 46820 stoweidlem28 46843 stoweidlem59 46874 stoweid 46878 stirlinglem12 46900 fourierswlem 47045 fouriersw 47046 goldrarp 47736 |
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