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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 11722 | . 2 ⊢ (𝐴 ∈ ℝ+ → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
2 | gt0ne0 10372 | . 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 383 ∈ wcel 1977 ≠ wne 2780 class class class wbr 4583 ℝcr 9814 0cc0 9815 < clt 9953 ℝ+crp 11708 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-i2m1 9883 ax-1ne0 9884 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-po 4959 df-so 4960 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-ov 6552 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-pnf 9955 df-mnf 9956 df-ltxr 9958 df-rp 11709 |
This theorem is referenced by: rprene0 11725 rpcnne0 11726 rpne0d 11753 divge1 11774 xlemul1 11992 ltdifltdiv 12497 mulmod0 12538 negmod0 12539 moddiffl 12543 modid0 12558 modmuladd 12574 modmuladdnn0 12576 2txmodxeq0 12592 rpexpcl 12741 expnlbnd 12856 rennim 13827 sqrtdiv 13854 o1fsum 14386 divrcnv 14423 rpmsubg 19629 itg2const2 23314 reeff1o 24005 reefgim 24008 logne0 24130 advlog 24200 advlogexp 24201 logcxp 24215 cxprec 24232 cxpmul 24234 abscxp 24238 cxple2 24243 dvcxp1 24281 dvcxp2 24282 dvsqrt 24283 relogbreexp 24313 relogbzexp 24314 relogbmul 24315 relogbdiv 24317 relogbexp 24318 relogbcxp 24323 relogbcxpb 24325 relogbf 24329 logblog 24330 rlimcnp 24492 efrlim 24496 cxplim 24498 cxp2limlem 24502 cxploglim 24504 logdifbnd 24520 logdiflbnd 24521 logfacrlim2 24751 bposlem8 24816 vmadivsum 24971 mudivsum 25019 mulogsumlem 25020 logdivsum 25022 log2sumbnd 25033 selberg2lem 25039 selberg2 25040 pntrmax 25053 selbergr 25057 pntrlog2bndlem4 25069 pntrlog2bndlem5 25070 pntlem3 25098 padicabvcxp 25121 blocnilem 27043 nmcexi 28269 probfinmeasbOLD 29817 probfinmeasb 29818 signsplypnf 29953 poimirlem29 32608 areacirclem1 32670 areacirclem4 32673 areacirc 32675 heiborlem6 32785 heiborlem7 32786 xralrple2 38511 recnnltrp 38534 rpgtrecnn 38538 ioodvbdlimc1lem2 38822 ioodvbdlimc2lem 38824 fldivmod 42107 relogbmulbexp 42153 relogbdivb 42154 blenre 42166 |
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