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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 13165 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 1 | rpgt0d 13168 | . 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 2144 class class class wbr 5102 ℝcr 11200 0cc0 11201 < clt 11344 ℝ+crp 13121 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-un 4151 df-nul 4279 df-if 4482 df-sn 4584 df-pr 4586 df-op 4590 df-br 5103 df-rp 13122 |
| This theorem is used by: reclt1d 13178 recgt1d 13179 ltrecd 13183 lerecd 13184 ltrec1d 13185 lerec2d 13186 lediv2ad 13187 ltdiv2d 13188 lediv2d 13189 ledivdivd 13190 divge0d 13205 ltmul1d 13206 ltmul2d 13207 lemul1d 13208 lemul2d 13209 ltdiv1d 13210 lediv1d 13211 ltmuldivd 13212 ltmuldiv2d 13213 lemuldivd 13214 lemuldiv2d 13215 ltdivmuld 13216 ltdivmul2d 13217 ledivmuld 13218 ledivmul2d 13219 ltdiv23d 13232 lediv23d 13233 lt2mul2divd 13234 mertenslem1 16054 isprm6 16891 nmoi 25048 icopnfhmeo 25265 nmoleub2lem3 25437 lmnn 25585 ovolscalem1 25835 aaliou2b 26669 birthdaylem3 27282 fsumharmonic 27340 bcmono 27605 chtppilim 27803 dchrisum0lem1a 27814 dchrvmasumiflem1 27829 dchrisum0lem1b 27843 dchrisum0lem1 27844 mulog2sumlem2 27863 selberg3lem1 27885 pntrsumo1 27893 pntibndlem1 27917 pntibndlem3 27920 pntlemr 27930 pntlemj 27931 ostth3 27966 minvecolem3 31479 lnconi 32636 poimirlem29 38643 poimirlem30 38644 poimirlem31 38645 poimirlem32 38646 aks4d1p1p2 43196 stoweidlem14 47100 stoweidlem34 47120 stoweidlem42 47128 stoweidlem51 47137 stoweidlem59 47145 stirlinglem5 47164 elbigolo1 49745 |
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