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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 12938 | . 2 ⊢ (𝐴 ∈ ℝ+ → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
2 | gt0ne0 11629 | . 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 396 ∈ wcel 2106 ≠ wne 2939 class class class wbr 5110 ℝcr 11059 0cc0 11060 < clt 11198 ℝ+crp 12924 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-sep 5261 ax-nul 5268 ax-pow 5325 ax-pr 5389 ax-un 7677 ax-resscn 11117 ax-1cn 11118 ax-addrcl 11121 ax-rnegex 11131 ax-cnre 11133 ax-pre-lttri 11134 ax-pre-lttrn 11135 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rab 3406 df-v 3448 df-sbc 3743 df-csb 3859 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4288 df-if 4492 df-pw 4567 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4871 df-br 5111 df-opab 5173 df-mpt 5194 df-id 5536 df-po 5550 df-so 5551 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 df-iota 6453 df-fun 6503 df-fn 6504 df-f 6505 df-f1 6506 df-fo 6507 df-f1o 6508 df-fv 6509 df-er 8655 df-en 8891 df-dom 8892 df-sdom 8893 df-pnf 11200 df-mnf 11201 df-ltxr 11203 df-rp 12925 |
This theorem is referenced by: rprene0 12941 rpcnne0 12942 rpne0d 12971 divge1 12992 xlemul1 13219 ltdifltdiv 13749 mulmod0 13792 negmod0 13793 moddiffl 13797 modid0 13812 modmuladd 13828 modmuladdnn0 13830 2txmodxeq0 13846 rpexpcl 13996 expnlbnd 14146 rennim 15136 sqrtdiv 15162 o1fsum 15709 divrcnv 15748 rpmsubg 20898 itg2const2 25143 reeff1o 25843 logne0 25972 advlog 26046 advlogexp 26047 logcxp 26061 cxprec 26078 cxpmul 26080 abscxp 26084 cxple2 26089 dvcxp1 26130 dvcxp2 26131 dvsqrt 26132 relogbreexp 26162 relogbzexp 26163 relogbmul 26164 relogbdiv 26166 relogbexp 26167 relogbcxp 26172 relogbcxpb 26174 relogbf 26178 logbgt0b 26180 rlimcnp 26352 efrlim 26356 cxplim 26358 cxp2limlem 26362 cxploglim 26364 logdifbnd 26380 logdiflbnd 26381 logfacrlim2 26611 bposlem8 26676 vmadivsum 26867 mudivsum 26915 mulogsumlem 26916 logdivsum 26918 log2sumbnd 26929 selberg2lem 26935 selberg2 26936 pntrmax 26949 selbergr 26953 pntrlog2bndlem4 26965 pntrlog2bndlem5 26966 pntlem3 26994 padicabvcxp 27017 blocnilem 29809 nmcexi 31031 probfinmeasb 33117 probfinmeasbALTV 33118 signsplypnf 33251 logdivsqrle 33352 poimirlem29 36180 areacirclem1 36239 areacirclem4 36242 areacirc 36244 heiborlem6 36348 heiborlem7 36349 dvrelog2 40594 dvrelog3 40595 aks4d1p1p6 40603 xralrple2 43709 recnnltrp 43732 rpgtrecnn 43735 ioodvbdlimc1lem2 44293 ioodvbdlimc2lem 44295 fldivmod 46724 relogbmulbexp 46767 relogbdivb 46768 blenre 46780 |
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