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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 11720 | . 2 ⊢ 3 ∈ ℝ | |
2 | 3pos 11745 | . 2 ⊢ 0 < 3 | |
3 | 1, 2 | gt0ne0ii 11179 | 1 ⊢ 3 ≠ 0 |
Colors of variables: wff setvar class |
Syntax hints: ≠ wne 3019 0cc0 10540 3c3 11696 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 ax-sep 5206 ax-nul 5213 ax-pow 5269 ax-pr 5333 ax-un 7464 ax-resscn 10597 ax-1cn 10598 ax-icn 10599 ax-addcl 10600 ax-addrcl 10601 ax-mulcl 10602 ax-mulrcl 10603 ax-mulcom 10604 ax-addass 10605 ax-mulass 10606 ax-distr 10607 ax-i2m1 10608 ax-1ne0 10609 ax-1rid 10610 ax-rnegex 10611 ax-rrecex 10612 ax-cnre 10613 ax-pre-lttri 10614 ax-pre-lttrn 10615 ax-pre-ltadd 10616 ax-pre-mulgt0 10617 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ne 3020 df-nel 3127 df-ral 3146 df-rex 3147 df-reu 3148 df-rab 3150 df-v 3499 df-sbc 3776 df-csb 3887 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-nul 4295 df-if 4471 df-pw 4544 df-sn 4571 df-pr 4573 df-op 4577 df-uni 4842 df-br 5070 df-opab 5132 df-mpt 5150 df-id 5463 df-po 5477 df-so 5478 df-xp 5564 df-rel 5565 df-cnv 5566 df-co 5567 df-dm 5568 df-rn 5569 df-res 5570 df-ima 5571 df-iota 6317 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-riota 7117 df-ov 7162 df-oprab 7163 df-mpo 7164 df-er 8292 df-en 8513 df-dom 8514 df-sdom 8515 df-pnf 10680 df-mnf 10681 df-xr 10682 df-ltxr 10683 df-le 10684 df-sub 10875 df-neg 10876 df-2 11703 df-3 11704 |
This theorem is referenced by: 8th4div3 11860 halfpm6th 11861 halfthird 12244 f1oun2prg 14282 sqrlem7 14611 caurcvgr 15033 bpoly2 15414 bpoly3 15415 bpoly4 15416 sin01bnd 15541 cos01bnd 15542 cos1bnd 15543 cos2bnd 15544 sin01gt0 15546 cos01gt0 15547 rpnnen2lem3 15572 rpnnen2lem11 15580 tangtx 25094 sincos6thpi 25104 sincos3rdpi 25105 pigt3 25106 pige3ALT 25108 2logb9irrALT 25379 1cubr 25423 dcubic1lem 25424 dcubic2 25425 dcubic1 25426 dcubic 25427 mcubic 25428 cubic2 25429 cubic 25430 quartlem3 25440 log2cnv 25525 log2tlbnd 25526 ppiub 25783 bclbnd 25859 bposlem6 25868 bposlem9 25871 usgrexmplef 27044 upgr4cycl4dv4e 27967 konigsbergiedgw 28030 konigsberglem1 28034 konigsberglem3 28036 konigsberglem5 28038 ex-lcm 28240 hgt750lem 31926 cusgracyclt3v 32407 sinccvglem 32919 mblfinlem3 34935 itg2addnclem2 34948 itg2addnclem3 34949 3cubeslem2 39288 lhe4.4ex1a 40667 stoweidlem11 42303 stoweidlem13 42305 stoweidlem26 42318 stoweidlem34 42326 stoweidlem42 42334 stoweidlem59 42351 stoweidlem62 42354 stoweid 42355 wallispilem4 42360 wallispi2lem1 42363 stirlinglem11 42376 fourierdlem87 42485 |
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