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| Mirrors > Home > MPE Home > Th. List > rpregt0d | Structured version Visualization version GIF version | ||
| Description: A positive real is real and greater than zero. (Contributed by Mario Carneiro, 28-May-2016.) |
| Ref | Expression |
|---|---|
| rpred.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
| Ref | Expression |
|---|---|
| rpregt0d | ⊢ (𝜑 → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpred.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ+) | |
| 2 | 1 | rpred 12953 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 1 | rpgt0d 12956 | . 2 ⊢ (𝜑 → 0 < 𝐴) |
| 4 | 2, 3 | jca 511 | 1 ⊢ (𝜑 → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2114 class class class wbr 5099 ℝcr 11029 0cc0 11030 < clt 11170 ℝ+crp 12909 |
| 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 3401 df-v 3443 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4287 df-if 4481 df-sn 4582 df-pr 4584 df-op 4588 df-br 5100 df-rp 12910 |
| This theorem is referenced by: reclt1d 12966 recgt1d 12967 ltrecd 12971 lerecd 12972 ltrec1d 12973 lerec2d 12974 lediv2ad 12975 ltdiv2d 12976 lediv2d 12977 ledivdivd 12978 divge0d 12993 ltmul1d 12994 ltmul2d 12995 lemul1d 12996 lemul2d 12997 ltdiv1d 12998 lediv1d 12999 ltmuldivd 13000 ltmuldiv2d 13001 lemuldivd 13002 lemuldiv2d 13003 ltdivmuld 13004 ltdivmul2d 13005 ledivmuld 13006 ledivmul2d 13007 ltdiv23d 13020 lediv23d 13021 lt2mul2divd 13022 mertenslem1 15811 isprm6 16645 nmoi 24676 icopnfhmeo 24901 nmoleub2lem3 25075 lmnn 25223 ovolscalem1 25474 aaliou2b 26309 birthdaylem3 26923 fsumharmonic 26982 bcmono 27248 chtppilim 27446 dchrisum0lem1a 27457 dchrvmasumiflem1 27472 dchrisum0lem1b 27486 dchrisum0lem1 27487 mulog2sumlem2 27506 selberg3lem1 27528 pntrsumo1 27536 pntibndlem1 27560 pntibndlem3 27563 pntlemr 27573 pntlemj 27574 ostth3 27609 minvecolem3 30934 lnconi 32091 poimirlem29 37821 poimirlem30 37822 poimirlem31 37823 poimirlem32 37824 aks4d1p1p2 42361 stoweidlem14 46294 stoweidlem34 46314 stoweidlem42 46322 stoweidlem51 46331 stoweidlem59 46339 stirlinglem5 46358 elbigolo1 48839 |
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