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| Mirrors > Home > MPE Home > Th. List > rpreccld | Structured version Visualization version GIF version | ||
| Description: Closure law for reciprocation of positive reals. (Contributed by Mario Carneiro, 28-May-2016.) |
| Ref | Expression |
|---|---|
| rpred.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
| Ref | Expression |
|---|---|
| rpreccld | ⊢ (𝜑 → (1 / 𝐴) ∈ ℝ+) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpred.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ+) | |
| 2 | rpreccl 13039 | . 2 ⊢ (𝐴 ∈ ℝ+ → (1 / 𝐴) ∈ ℝ+) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → (1 / 𝐴) ∈ ℝ+) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2143 (class class class)co 7410 1c1 11096 / cdiv 11866 ℝ+crp 13011 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-addrcl 11156 ax-mulcl 11157 ax-mulrcl 11158 ax-mulcom 11159 ax-addass 11160 ax-mulass 11161 ax-distr 11162 ax-i2m1 11163 ax-1ne0 11164 ax-1rid 11165 ax-rnegex 11166 ax-rrecex 11167 ax-cnre 11168 ax-pre-lttri 11169 ax-pre-lttrn 11170 ax-pre-ltadd 11171 ax-pre-mulgt0 11172 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-po 5569 df-so 5570 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11240 df-mnf 11241 df-xr 11242 df-ltxr 11243 df-le 11244 df-sub 11438 df-neg 11439 df-div 11867 df-rp 13012 |
| This theorem is referenced by: rprecred 13066 resqrex 15297 rlimno1 15701 supcvg 15906 harmonic 15909 expcnv 15914 eirrlem 16255 prmreclem5 16975 prmreclem6 16976 met1stc 24678 met2ndci 24679 nmoi2 24887 bcthlem5 25487 ovolsca 25674 vitali 25772 ismbf3d 25813 itg2seq 25901 itg2mulclem 25905 itg2mulc 25906 aalioulem3 26497 aaliou3lem8 26508 dvradcnv 26584 tanregt0 26704 divlogrlim 26800 advlogexp 26820 logtayllem 26824 divcxp 26852 cxpcn3lem 26912 loglesqrt 26926 logbrec 26947 ang180lem2 26975 asinlem3 27036 leibpi 27107 rlimcnp 27130 rlimcnp2 27131 efrlim 27134 cxplim 27136 cxp2lim 27141 divsqrtsumlem 27144 amgmlem 27154 emcllem2 27161 emcllem4 27163 emcllem5 27164 emcllem6 27165 fsumharmonic 27176 lgamgulmlem5 27197 lgambdd 27201 basellem3 27247 basellem6 27250 logfaclbnd 27386 bclbnd 27444 rplogsumlem2 27649 rpvmasumlem 27651 dchrisum0lem2a 27681 log2sumbnd 27708 logdivbnd 27720 pntlemo 27771 nrt2irr 30824 smcnlem 31049 minvecolem3 31228 minvecolem4 31232 esumdivc 34473 dya2ub 34660 omssubadd 34690 logdivsqrle 35037 iprodgam 36234 faclimlem1 36235 faclimlem3 36237 faclim 36238 iprodfac 36239 poimirlem29 38300 poimirlem30 38301 heiborlem3 38464 heiborlem6 38467 heiborlem8 38469 heibor 38472 irrapxlem4 43552 irrapxlem5 43553 oddfl 45997 xralrple4 46088 xrralrecnnge 46105 ioodvbdlimc1lem2 46646 ioodvbdlimc2lem 46648 stoweid 46777 wallispi 46784 stirlinglem1 46788 stirlinglem6 46793 stirlinglem10 46797 stirlinglem11 46798 dirkertrigeqlem3 46814 dirkercncflem2 46818 iinhoiicc 47388 iunhoiioo 47390 vonioolem2 47395 vonicclem1 47397 eenglngeehlnmlem2 49518 amgmlemALT 50623 young2d 50625 |
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