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Mirrors > Home > MPE Home > Th. List > rpne0 | Structured version Visualization version GIF version |
Description: A positive real is nonzero. (Contributed by NM, 18-Jul-2008.) |
Ref | Expression |
---|---|
rpne0 | ⊢ (𝐴 ∈ ℝ+ → 𝐴 ≠ 0) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rpregt0 12397 | . 2 ⊢ (𝐴 ∈ ℝ+ → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
2 | gt0ne0 11099 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 0 < 𝐴) → 𝐴 ≠ 0) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ≠ 0) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2110 ≠ wne 3016 class class class wbr 5058 ℝcr 10530 0cc0 10531 < clt 10669 ℝ+crp 12383 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 ax-resscn 10588 ax-1cn 10589 ax-addrcl 10592 ax-rnegex 10602 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-br 5059 df-opab 5121 df-mpt 5139 df-id 5454 df-po 5468 df-so 5469 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-ltxr 10674 df-rp 12384 |
This theorem is referenced by: rprene0 12400 rpcnne0 12401 rpne0d 12430 divge1 12451 xlemul1 12677 ltdifltdiv 13198 mulmod0 13239 negmod0 13240 moddiffl 13244 modid0 13259 modmuladd 13275 modmuladdnn0 13277 2txmodxeq0 13293 rpexpcl 13442 expnlbnd 13588 rennim 14592 sqrtdiv 14619 o1fsum 15162 divrcnv 15201 rpmsubg 20603 itg2const2 24336 reeff1o 25029 logne0 25157 advlog 25231 advlogexp 25232 logcxp 25246 cxprec 25263 cxpmul 25265 abscxp 25269 cxple2 25274 dvcxp1 25315 dvcxp2 25316 dvsqrt 25317 relogbreexp 25347 relogbzexp 25348 relogbmul 25349 relogbdiv 25351 relogbexp 25352 relogbcxp 25357 relogbcxpb 25359 relogbf 25363 logbgt0b 25365 rlimcnp 25537 efrlim 25541 cxplim 25543 cxp2limlem 25547 cxploglim 25549 logdifbnd 25565 logdiflbnd 25566 logfacrlim2 25796 bposlem8 25861 vmadivsum 26052 mudivsum 26100 mulogsumlem 26101 logdivsum 26103 log2sumbnd 26114 selberg2lem 26120 selberg2 26121 pntrmax 26134 selbergr 26138 pntrlog2bndlem4 26150 pntrlog2bndlem5 26151 pntlem3 26179 padicabvcxp 26202 blocnilem 28575 nmcexi 29797 probfinmeasb 31681 probfinmeasbALTV 31682 signsplypnf 31815 logdivsqrle 31916 poimirlem29 34915 areacirclem1 34976 areacirclem4 34979 areacirc 34981 heiborlem6 35088 heiborlem7 35089 xralrple2 41615 recnnltrp 41638 rpgtrecnn 41642 ioodvbdlimc1lem2 42210 ioodvbdlimc2lem 42212 fldivmod 44572 relogbmulbexp 44615 relogbdivb 44616 blenre 44628 |
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