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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 12921 | . 2 ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
| 4 | 1, 2, 3 | mpbir2an 712 | 1 ⊢ 𝐴 ∈ ℝ+ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 class class class wbr 5100 ℝcr 11039 0cc0 11040 < clt 11180 ℝ+crp 12919 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-br 5101 df-rp 12920 |
| This theorem is referenced by: 1rp 12923 2rp 12924 3rp 12925 5rp 12926 iexpcyc 14144 discr 14177 epr 16147 aaliou3lem1 26323 aaliou3lem2 26324 aaliou3lem3 26325 pirp 26443 pigt3 26500 efif1olem2 26525 cxpsqrtlem 26684 log2cnv 26927 chtublem 27195 chtub 27196 bposlem6 27273 lgsdir2lem1 27309 lgsdir2lem4 27312 lgsdir2lem5 27313 2sqlem11 27413 chebbnd1lem3 27455 chebbnd1 27456 pntlemg 27582 pntlemr 27586 pntlemf 27589 minvecolem3 30970 dp2lt10 32982 ballotlem2 34673 cntotbnd 38076 heiborlem5 38095 heiborlem7 38097 4rp 42699 6rp 42700 7rp 42701 8rp 42702 9rp 42703 isosctrlem1ALT 45318 sineq0ALT 45321 limclner 46038 stoweidlem5 46392 stoweidlem28 46415 stoweidlem59 46446 stoweid 46450 stirlinglem12 46472 fourierswlem 46617 fouriersw 46618 |
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