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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 13024 | . 2 ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
| 4 | 1, 2, 3 | mpbir2an 723 | 1 ⊢ 𝐴 ∈ ℝ+ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2142 class class class wbr 5108 ℝcr 11105 0cc0 11106 < clt 11249 ℝ+crp 13022 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-ext 2734 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-sb 2096 df-clab 2741 df-cleq 2754 df-clel 2837 df-rab 3416 df-v 3456 df-dif 3907 df-un 3909 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-br 5109 df-rp 13023 |
| This theorem is used by: 1rp 13026 2rp 13027 3rp 13028 5rp 13029 iexpcyc 14250 discr 14283 epr 16270 aaliou3lem1 26516 aaliou3lem2 26517 aaliou3lem3 26518 pirp 26637 pigt3 26694 efif1olem2 26719 cxpsqrtlem 26878 log2cnv 27120 chtublem 27386 chtub 27387 bposlem6 27464 lgsdir2lem1 27500 lgsdir2lem4 27503 lgsdir2lem5 27504 2sqlem11 27604 chebbnd1lem3 27646 chebbnd1 27647 pntlemg 27773 pntlemr 27777 pntlemf 27780 minvecolem3 31239 dp2lt10 33214 ballotlem2 34888 cntotbnd 38475 heiborlem5 38494 heiborlem7 38496 4rp 43089 6rp 43090 7rp 43091 8rp 43092 9rp 43093 isosctrlem1ALT 45670 sineq0ALT 45673 limclner 46393 stoweidlem5 46747 stoweidlem28 46770 stoweidlem59 46801 stoweid 46805 stirlinglem12 46827 fourierswlem 46972 fouriersw 46973 goldrarp 47649 |
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