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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 13018 | . 2 ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
| 4 | 1, 2, 3 | mpbir2an 723 | 1 ⊢ 𝐴 ∈ ℝ+ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2149 class class class wbr 5111 ℝcr 11099 0cc0 11100 < clt 11243 ℝ+crp 13016 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-rab 3423 df-v 3463 df-dif 3914 df-un 3916 df-ss 3928 df-nul 4293 df-if 4491 df-sn 4593 df-pr 4595 df-op 4599 df-br 5112 df-rp 13017 |
| This theorem is referenced by: 1rp 13020 2rp 13021 3rp 13022 5rp 13023 iexpcyc 14243 discr 14276 epr 16264 aaliou3lem1 26472 aaliou3lem2 26473 aaliou3lem3 26474 pirp 26592 pigt3 26649 efif1olem2 26674 cxpsqrtlem 26833 log2cnv 27075 chtublem 27341 chtub 27342 bposlem6 27419 lgsdir2lem1 27455 lgsdir2lem4 27458 lgsdir2lem5 27459 2sqlem11 27559 chebbnd1lem3 27601 chebbnd1 27602 pntlemg 27728 pntlemr 27732 pntlemf 27735 minvecolem3 31169 dp2lt10 33144 ballotlem2 34824 cntotbnd 38370 heiborlem5 38389 heiborlem7 38391 4rp 42986 6rp 42987 7rp 42988 8rp 42989 9rp 42990 isosctrlem1ALT 45569 sineq0ALT 45572 limclner 46292 stoweidlem5 46646 stoweidlem28 46669 stoweidlem59 46700 stoweid 46704 stirlinglem12 46726 fourierswlem 46871 fouriersw 46872 goldrarp 47545 |
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