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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 12961 | . 2 ⊢ (𝐴 ∈ ℝ+ → (1 / 𝐴) ∈ ℝ+) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (1 / 𝐴) ∈ ℝ+) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 (class class class)co 7360 1c1 11030 / cdiv 11798 ℝ+crp 12933 |
| 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-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 ax-un 7682 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-mulcom 11093 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 ax-pre-mulgt0 11106 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5519 df-po 5532 df-so 5533 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-er 8636 df-en 8887 df-dom 8888 df-sdom 8889 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-div 11799 df-rp 12934 |
| This theorem is referenced by: rprecred 12988 resqrex 15203 rlimno1 15607 supcvg 15812 harmonic 15815 expcnv 15820 eirrlem 16162 prmreclem5 16882 prmreclem6 16883 met1stc 24496 met2ndci 24497 nmoi2 24705 bcthlem5 25305 ovolsca 25492 vitali 25590 ismbf3d 25631 itg2seq 25719 itg2mulclem 25723 itg2mulc 25724 aalioulem3 26311 aaliou3lem8 26322 dvradcnv 26399 tanregt0 26516 divlogrlim 26612 advlogexp 26632 logtayllem 26636 divcxp 26664 cxpcn3lem 26724 loglesqrt 26738 logbrec 26759 ang180lem2 26787 asinlem3 26848 leibpi 26919 rlimcnp 26942 rlimcnp2 26943 efrlim 26946 efrlimOLD 26947 cxplim 26949 cxp2lim 26954 divsqrtsumlem 26957 amgmlem 26967 emcllem2 26974 emcllem4 26976 emcllem5 26977 emcllem6 26978 fsumharmonic 26989 lgamgulmlem5 27010 lgambdd 27014 basellem3 27060 basellem6 27063 logfaclbnd 27199 bclbnd 27257 rplogsumlem2 27462 rpvmasumlem 27464 dchrisum0lem2a 27494 log2sumbnd 27521 logdivbnd 27533 pntlemo 27584 nrt2irr 30558 smcnlem 30783 minvecolem3 30962 minvecolem4 30966 esumdivc 34243 dya2ub 34430 omssubadd 34460 logdivsqrle 34810 iprodgam 35940 faclimlem1 35941 faclimlem3 35943 faclim 35944 iprodfac 35945 poimirlem29 37984 poimirlem30 37985 heiborlem3 38148 heiborlem6 38151 heiborlem8 38153 heibor 38156 irrapxlem4 43271 irrapxlem5 43272 oddfl 45729 xralrple4 45820 xrralrecnnge 45837 ioodvbdlimc1lem2 46378 ioodvbdlimc2lem 46380 stoweid 46509 wallispi 46516 stirlinglem1 46520 stirlinglem6 46525 stirlinglem10 46529 stirlinglem11 46530 dirkertrigeqlem3 46546 dirkercncflem2 46550 iinhoiicc 47120 iunhoiioo 47122 vonioolem2 47127 vonicclem1 47129 eenglngeehlnmlem2 49226 amgmlemALT 50290 young2d 50292 |
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