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Mirrors > Home > MPE Home > Th. List > gt0ne0ii | Structured version Visualization version Unicode version |
Description: Positive implies nonzero. (Contributed by NM, 15-May-1999.) |
Ref | Expression |
---|---|
lt2.1 | |
gt0ne0i.2 |
Ref | Expression |
---|---|
gt0ne0ii |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | gt0ne0i.2 | . 2 | |
2 | lt2.1 | . . 3 | |
3 | 2 | gt0ne0i 10563 | . 2 |
4 | 1, 3 | ax-mp 5 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wcel 1990 wne 2794 class class class wbr 4653 cr 9935 cc0 9936 clt 10074 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-i2m1 10004 ax-1ne0 10005 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-po 5035 df-so 5036 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-pnf 10076 df-mnf 10077 df-ltxr 10079 |
This theorem is referenced by: eqneg 10745 recgt0ii 10929 nnne0i 11055 2ne0 11113 3ne0 11115 4ne0 11117 8th4div3 11252 halfpm6th 11253 5recm6rec 11686 0.999... 14612 0.999...OLD 14613 bpoly2 14788 bpoly3 14789 fsumcube 14791 efi4p 14867 resin4p 14868 recos4p 14869 ef01bndlem 14914 cos2bnd 14918 sincos2sgn 14924 ene0 14937 sinhalfpilem 24215 sincos6thpi 24267 sineq0 24273 coseq1 24274 efeq1 24275 cosne0 24276 efif1olem2 24289 efif1olem4 24291 eflogeq 24348 logf1o2 24396 ecxp 24419 cxpsqrt 24449 root1eq1 24496 ang180lem1 24539 ang180lem2 24540 ang180lem3 24541 2lgsoddprmlem1 25133 2lgsoddprmlem2 25134 chebbnd1lem3 25160 chebbnd1 25161 dp2cl 29587 dp2ltc 29594 dpfrac1 29599 dpfrac1OLD 29600 dpmul4 29622 subfaclim 31170 bj-pinftynminfty 33114 taupilem1 33167 proot1ex 37779 coseq0 40075 sinaover2ne0 40079 wallispi 40287 stirlinglem3 40293 stirlinglem15 40305 dirkertrigeqlem2 40316 dirkertrigeqlem3 40317 dirkertrigeq 40318 dirkeritg 40319 dirkercncflem1 40320 fourierdlem24 40348 fourierdlem95 40418 fourierswlem 40447 |
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