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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 12379 | . 2 ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
4 | 1, 2, 3 | mpbir2an 710 | 1 ⊢ 𝐴 ∈ ℝ+ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2111 class class class wbr 5030 ℝcr 10525 0cc0 10526 < clt 10664 ℝ+crp 12377 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-rab 3115 df-v 3443 df-un 3886 df-sn 4526 df-pr 4528 df-op 4532 df-br 5031 df-rp 12378 |
This theorem is referenced by: 1rp 12381 2rp 12382 3rp 12383 iexpcyc 13565 discr 13597 epr 15553 aaliou3lem1 24938 aaliou3lem2 24939 aaliou3lem3 24940 pirp 25054 pigt3 25110 efif1olem2 25135 cxpsqrtlem 25293 log2cnv 25530 chtublem 25795 chtub 25796 bposlem6 25873 lgsdir2lem1 25909 lgsdir2lem4 25912 lgsdir2lem5 25913 2sqlem11 26013 chebbnd1lem3 26055 chebbnd1 26056 pntlemg 26182 pntlemr 26186 pntlemf 26189 minvecolem3 28659 dp2lt10 30586 ballotlem2 31856 cntotbnd 35234 heiborlem5 35253 heiborlem7 35255 isosctrlem1ALT 41640 sineq0ALT 41643 limclner 42293 stoweidlem5 42647 stoweidlem28 42670 stoweidlem59 42701 stoweid 42705 stirlinglem12 42727 fourierswlem 42872 fouriersw 42873 |
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