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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 11711 | . 2 ⊢ 3 ∈ ℝ | |
2 | 3pos 11736 | . 2 ⊢ 0 < 3 | |
3 | 1, 2 | gt0ne0ii 11170 | 1 ⊢ 3 ≠ 0 |
Colors of variables: wff setvar class |
Syntax hints: ≠ wne 3016 0cc0 10531 3c3 11687 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-pre-mulgt0 10608 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-br 5059 df-opab 5121 df-mpt 5139 df-id 5454 df-po 5468 df-so 5469 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-sub 10866 df-neg 10867 df-2 11694 df-3 11695 |
This theorem is referenced by: 8th4div3 11851 halfpm6th 11852 halfthird 12235 f1oun2prg 14273 sqrlem7 14602 caurcvgr 15024 bpoly2 15405 bpoly3 15406 bpoly4 15407 sin01bnd 15532 cos01bnd 15533 cos1bnd 15534 cos2bnd 15535 sin01gt0 15537 cos01gt0 15538 rpnnen2lem3 15563 rpnnen2lem11 15571 tangtx 25085 sincos6thpi 25095 sincos3rdpi 25096 pigt3 25097 pige3ALT 25099 2logb9irrALT 25370 1cubr 25414 dcubic1lem 25415 dcubic2 25416 dcubic1 25417 dcubic 25418 mcubic 25419 cubic2 25420 cubic 25421 quartlem3 25431 log2cnv 25516 log2tlbnd 25517 ppiub 25774 bclbnd 25850 bposlem6 25859 bposlem9 25862 usgrexmplef 27035 upgr4cycl4dv4e 27958 konigsbergiedgw 28021 konigsberglem1 28025 konigsberglem3 28027 konigsberglem5 28029 ex-lcm 28231 hgt750lem 31917 cusgracyclt3v 32398 sinccvglem 32910 mblfinlem3 34925 itg2addnclem2 34938 itg2addnclem3 34939 3cubeslem2 39275 lhe4.4ex1a 40654 stoweidlem11 42290 stoweidlem13 42292 stoweidlem26 42305 stoweidlem34 42313 stoweidlem42 42321 stoweidlem59 42338 stoweidlem62 42341 stoweid 42342 wallispilem4 42347 wallispi2lem1 42350 stirlinglem11 42363 fourierdlem87 42472 |
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