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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 13015 | . 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 2141 (class class class)co 7391 1c1 11068 / cdiv 11838 ℝ+crp 12987 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 ax-un 7713 ax-resscn 11124 ax-1cn 11125 ax-icn 11126 ax-addcl 11127 ax-addrcl 11128 ax-mulcl 11129 ax-mulrcl 11130 ax-mulcom 11131 ax-addass 11132 ax-mulass 11133 ax-distr 11134 ax-i2m1 11135 ax-1ne0 11136 ax-1rid 11137 ax-rnegex 11138 ax-rrecex 11139 ax-cnre 11140 ax-pre-lttri 11141 ax-pre-lttrn 11142 ax-pre-ltadd 11143 ax-pre-mulgt0 11144 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-br 5098 df-opab 5160 df-mpt 5179 df-id 5538 df-po 5551 df-so 5552 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-iota 6472 df-fun 6518 df-fn 6519 df-f 6520 df-f1 6521 df-fo 6522 df-f1o 6523 df-fv 6524 df-riota 7348 df-ov 7394 df-oprab 7395 df-mpo 7396 df-er 8672 df-en 8922 df-dom 8923 df-sdom 8924 df-pnf 11212 df-mnf 11213 df-xr 11214 df-ltxr 11215 df-le 11216 df-sub 11410 df-neg 11411 df-div 11839 df-rp 12988 |
| This theorem is referenced by: rprecred 13042 resqrex 15268 rlimno1 15672 supcvg 15877 harmonic 15880 expcnv 15885 eirrlem 16227 prmreclem5 16947 prmreclem6 16948 met1stc 24569 met2ndci 24570 nmoi2 24778 bcthlem5 25378 ovolsca 25565 vitali 25663 ismbf3d 25704 itg2seq 25792 itg2mulclem 25796 itg2mulc 25797 aalioulem3 26386 aaliou3lem8 26397 dvradcnv 26472 tanregt0 26592 divlogrlim 26688 advlogexp 26708 logtayllem 26712 divcxp 26740 cxpcn3lem 26800 loglesqrt 26814 logbrec 26835 ang180lem2 26863 asinlem3 26924 leibpi 26995 rlimcnp 27018 rlimcnp2 27019 efrlim 27022 cxplim 27024 cxp2lim 27029 divsqrtsumlem 27032 amgmlem 27042 emcllem2 27049 emcllem4 27051 emcllem5 27052 emcllem6 27053 fsumharmonic 27064 lgamgulmlem5 27085 lgambdd 27089 basellem3 27135 basellem6 27138 logfaclbnd 27274 bclbnd 27332 rplogsumlem2 27537 rpvmasumlem 27539 dchrisum0lem2a 27569 log2sumbnd 27596 logdivbnd 27608 pntlemo 27659 nrt2irr 30632 smcnlem 30857 minvecolem3 31036 minvecolem4 31040 esumdivc 34341 dya2ub 34528 omssubadd 34558 logdivsqrle 34905 iprodgam 36053 faclimlem1 36054 faclimlem3 36056 faclim 36057 iprodfac 36058 poimirlem29 38109 poimirlem30 38110 heiborlem3 38273 heiborlem6 38276 heiborlem8 38278 heibor 38281 irrapxlem4 43363 irrapxlem5 43364 oddfl 45818 xralrple4 45909 xrralrecnnge 45926 ioodvbdlimc1lem2 46467 ioodvbdlimc2lem 46469 stoweid 46598 wallispi 46605 stirlinglem1 46609 stirlinglem6 46614 stirlinglem10 46618 stirlinglem11 46619 dirkertrigeqlem3 46635 dirkercncflem2 46639 iinhoiicc 47209 iunhoiioo 47211 vonioolem2 47216 vonicclem1 47218 eenglngeehlnmlem2 49321 amgmlemALT 50385 young2d 50387 |
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