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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 13134 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 1 | rpgt0d 13137 | . 2 ⊢ (𝜑 → 0 < 𝐴) |
| 4 | 2, 3 | jca 521 | 1 ⊢ (𝜑 → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2145 class class class wbr 5102 ℝcr 11171 0cc0 11172 < clt 11315 ℝ+crp 13090 |
| 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 13091 |
| This theorem is used by: reclt1d 13147 recgt1d 13148 ltrecd 13152 lerecd 13153 ltrec1d 13154 lerec2d 13155 lediv2ad 13156 ltdiv2d 13157 lediv2d 13158 ledivdivd 13159 divge0d 13174 ltmul1d 13175 ltmul2d 13176 lemul1d 13177 lemul2d 13178 ltdiv1d 13179 lediv1d 13180 ltmuldivd 13181 ltmuldiv2d 13182 lemuldivd 13183 lemuldiv2d 13184 ltdivmuld 13185 ltdivmul2d 13186 ledivmuld 13187 ledivmul2d 13188 ltdiv23d 13201 lediv23d 13202 lt2mul2divd 13203 mertenslem1 16021 isprm6 16853 nmoi 25009 icopnfhmeo 25226 nmoleub2lem3 25398 lmnn 25546 ovolscalem1 25796 aaliou2b 26632 birthdaylem3 27245 fsumharmonic 27303 bcmono 27568 chtppilim 27766 dchrisum0lem1a 27777 dchrvmasumiflem1 27792 dchrisum0lem1b 27806 dchrisum0lem1 27807 mulog2sumlem2 27826 selberg3lem1 27848 pntrsumo1 27856 pntibndlem1 27880 pntibndlem3 27883 pntlemr 27893 pntlemj 27894 ostth3 27929 minvecolem3 31412 lnconi 32569 poimirlem29 38487 poimirlem30 38488 poimirlem31 38489 poimirlem32 38490 aks4d1p1p2 43040 stoweidlem14 46946 stoweidlem34 46966 stoweidlem42 46974 stoweidlem51 46983 stoweidlem59 46991 stirlinglem5 47010 elbigolo1 49591 |
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