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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 12391 | . 2 ⊢ (𝐴 ∈ ℝ+ → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
2 | gt0ne0 11094 | . 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 399 ∈ wcel 2111 ≠ wne 2987 class class class wbr 5030 ℝcr 10525 0cc0 10526 < clt 10664 ℝ+crp 12377 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-resscn 10583 ax-1cn 10584 ax-addrcl 10587 ax-rnegex 10597 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-po 5438 df-so 5439 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-pnf 10666 df-mnf 10667 df-ltxr 10669 df-rp 12378 |
This theorem is referenced by: rprene0 12394 rpcnne0 12395 rpne0d 12424 divge1 12445 xlemul1 12671 ltdifltdiv 13199 mulmod0 13240 negmod0 13241 moddiffl 13245 modid0 13260 modmuladd 13276 modmuladdnn0 13278 2txmodxeq0 13294 rpexpcl 13444 expnlbnd 13590 rennim 14590 sqrtdiv 14617 o1fsum 15160 divrcnv 15199 rpmsubg 20155 itg2const2 24345 reeff1o 25042 logne0 25171 advlog 25245 advlogexp 25246 logcxp 25260 cxprec 25277 cxpmul 25279 abscxp 25283 cxple2 25288 dvcxp1 25329 dvcxp2 25330 dvsqrt 25331 relogbreexp 25361 relogbzexp 25362 relogbmul 25363 relogbdiv 25365 relogbexp 25366 relogbcxp 25371 relogbcxpb 25373 relogbf 25377 logbgt0b 25379 rlimcnp 25551 efrlim 25555 cxplim 25557 cxp2limlem 25561 cxploglim 25563 logdifbnd 25579 logdiflbnd 25580 logfacrlim2 25810 bposlem8 25875 vmadivsum 26066 mudivsum 26114 mulogsumlem 26115 logdivsum 26117 log2sumbnd 26128 selberg2lem 26134 selberg2 26135 pntrmax 26148 selbergr 26152 pntrlog2bndlem4 26164 pntrlog2bndlem5 26165 pntlem3 26193 padicabvcxp 26216 blocnilem 28587 nmcexi 29809 probfinmeasb 31796 probfinmeasbALTV 31797 signsplypnf 31930 logdivsqrle 32031 poimirlem29 35086 areacirclem1 35145 areacirclem4 35148 areacirc 35150 heiborlem6 35254 heiborlem7 35255 xralrple2 41986 recnnltrp 42009 rpgtrecnn 42013 ioodvbdlimc1lem2 42574 ioodvbdlimc2lem 42576 fldivmod 44932 relogbmulbexp 44975 relogbdivb 44976 blenre 44988 |
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