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Mirrors > Home > MPE Home > Th. List > 3ne0 | Structured version Visualization version GIF version |
Description: The number 3 is nonzero. (Contributed by FL, 17-Oct-2010.) (Proof shortened by Andrew Salmon, 7-May-2011.) |
Ref | Expression |
---|---|
3ne0 | ⊢ 3 ≠ 0 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3re 11705 | . 2 ⊢ 3 ∈ ℝ | |
2 | 3pos 11730 | . 2 ⊢ 0 < 3 | |
3 | 1, 2 | gt0ne0ii 11165 | 1 ⊢ 3 ≠ 0 |
Colors of variables: wff setvar class |
Syntax hints: ≠ wne 2987 0cc0 10526 3c3 11681 |
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-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603 |
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-reu 3113 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-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-2 11688 df-3 11689 |
This theorem is referenced by: 8th4div3 11845 halfpm6th 11846 halfthird 12229 f1oun2prg 14270 sqrlem7 14600 caurcvgr 15022 bpoly2 15403 bpoly3 15404 bpoly4 15405 sin01bnd 15530 cos01bnd 15531 cos1bnd 15532 cos2bnd 15533 sin01gt0 15535 cos01gt0 15536 rpnnen2lem3 15561 rpnnen2lem11 15569 tangtx 25098 sincos6thpi 25108 sincos3rdpi 25109 pigt3 25110 pige3ALT 25112 2logb9irrALT 25384 1cubr 25428 dcubic1lem 25429 dcubic2 25430 dcubic1 25431 dcubic 25432 mcubic 25433 cubic2 25434 cubic 25435 quartlem3 25445 log2cnv 25530 log2tlbnd 25531 ppiub 25788 bclbnd 25864 bposlem6 25873 bposlem9 25876 usgrexmplef 27049 upgr4cycl4dv4e 27970 konigsbergiedgw 28033 konigsberglem1 28037 konigsberglem3 28039 konigsberglem5 28041 ex-lcm 28243 hgt750lem 32032 cusgracyclt3v 32516 sinccvglem 33028 mblfinlem3 35096 itg2addnclem2 35109 itg2addnclem3 35110 3cubeslem2 39626 lhe4.4ex1a 41033 stoweidlem11 42653 stoweidlem13 42655 stoweidlem26 42668 stoweidlem34 42676 stoweidlem42 42684 stoweidlem59 42701 stoweidlem62 42704 stoweid 42705 wallispilem4 42710 wallispi2lem1 42713 stirlinglem11 42726 fourierdlem87 42835 itcoval3 45079 |
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