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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 13091 | . 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 5102 ℝcr 11170 0cc0 11171 < clt 11314 ℝ+crp 13089 |
| 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 2732 |
| 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 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-dif 3901 df-un 3903 df-ss 3915 df-nul 4279 df-if 4482 df-sn 4584 df-pr 4586 df-op 4590 df-br 5103 df-rp 13090 |
| This theorem is used by: 1rp 13093 2rp 13094 3rp 13095 5rp 13096 iexpcyc 14318 discr 14351 epr 16343 aaliou3lem1 26632 aaliou3lem2 26633 aaliou3lem3 26634 pirp 26753 pigt3 26809 efif1olem2 26834 cxpsqrtlem 26993 log2cnv 27235 chtublem 27501 chtub 27502 bposlem6 27579 lgsdir2lem1 27615 lgsdir2lem4 27618 lgsdir2lem5 27619 2sqlem11 27719 chebbnd1lem3 27761 chebbnd1 27762 pntlemg 27888 pntlemr 27892 pntlemf 27895 minvecolem3 31411 dp2lt10 33383 ballotlem2 35055 cntotbnd 38650 heiborlem5 38669 heiborlem7 38671 4rp 43279 6rp 43280 7rp 43281 8rp 43282 9rp 43283 isosctrlem1ALT 45860 sineq0ALT 45863 limclner 46583 stoweidlem5 46937 stoweidlem28 46960 stoweidlem59 46991 stoweid 46995 stirlinglem12 47017 fourierswlem 47162 fouriersw 47163 goldrarp 47853 |
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