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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 13040 | . 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 2149 (class class class)co 7408 1c1 11097 / cdiv 11867 ℝ+crp 13012 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5258 ax-nul 5268 ax-pow 5334 ax-pr 5402 ax-un 7730 ax-resscn 11153 ax-1cn 11154 ax-icn 11155 ax-addcl 11156 ax-addrcl 11157 ax-mulcl 11158 ax-mulrcl 11159 ax-mulcom 11160 ax-addass 11161 ax-mulass 11162 ax-distr 11163 ax-i2m1 11164 ax-1ne0 11165 ax-1rid 11166 ax-rnegex 11167 ax-rrecex 11168 ax-cnre 11169 ax-pre-lttri 11170 ax-pre-lttrn 11171 ax-pre-ltadd 11172 ax-pre-mulgt0 11173 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5554 df-po 5567 df-so 5568 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6490 df-fun 6536 df-fn 6537 df-f 6538 df-f1 6539 df-fo 6540 df-f1o 6541 df-fv 6542 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11241 df-mnf 11242 df-xr 11243 df-ltxr 11244 df-le 11245 df-sub 11439 df-neg 11440 df-div 11868 df-rp 13013 |
| This theorem is referenced by: rprecred 13067 resqrex 15297 rlimno1 15701 supcvg 15906 harmonic 15909 expcnv 15914 eirrlem 16256 prmreclem5 16976 prmreclem6 16977 met1stc 24643 met2ndci 24644 nmoi2 24852 bcthlem5 25452 ovolsca 25639 vitali 25737 ismbf3d 25778 itg2seq 25866 itg2mulclem 25870 itg2mulc 25871 aalioulem3 26460 aaliou3lem8 26471 dvradcnv 26546 tanregt0 26666 divlogrlim 26762 advlogexp 26782 logtayllem 26786 divcxp 26814 cxpcn3lem 26874 loglesqrt 26888 logbrec 26909 ang180lem2 26937 asinlem3 26998 leibpi 27069 rlimcnp 27092 rlimcnp2 27093 efrlim 27096 cxplim 27098 cxp2lim 27103 divsqrtsumlem 27106 amgmlem 27116 emcllem2 27123 emcllem4 27125 emcllem5 27126 emcllem6 27127 fsumharmonic 27138 lgamgulmlem5 27159 lgambdd 27163 basellem3 27209 basellem6 27212 logfaclbnd 27348 bclbnd 27406 rplogsumlem2 27611 rpvmasumlem 27613 dchrisum0lem2a 27643 log2sumbnd 27670 logdivbnd 27682 pntlemo 27733 nrt2irr 30761 smcnlem 30986 minvecolem3 31165 minvecolem4 31169 esumdivc 34414 dya2ub 34601 omssubadd 34631 logdivsqrle 34978 iprodgam 36129 faclimlem1 36130 faclimlem3 36132 faclim 36133 iprodfac 36134 poimirlem29 38183 poimirlem30 38184 heiborlem3 38347 heiborlem6 38350 heiborlem8 38352 heibor 38355 irrapxlem4 43439 irrapxlem5 43440 oddfl 45884 xralrple4 45975 xrralrecnnge 45992 ioodvbdlimc1lem2 46533 ioodvbdlimc2lem 46535 stoweid 46664 wallispi 46671 stirlinglem1 46675 stirlinglem6 46680 stirlinglem10 46684 stirlinglem11 46685 dirkertrigeqlem3 46701 dirkercncflem2 46705 iinhoiicc 47275 iunhoiioo 47277 vonioolem2 47282 vonicclem1 47284 eenglngeehlnmlem2 49398 amgmlemALT 50472 young2d 50474 |
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