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| Mirrors > Home > ILE Home > Th. List > 2ne0 | Unicode version | ||
| Description: The number 2 is nonzero. (Contributed by NM, 9-Nov-2007.) |
| Ref | Expression |
|---|---|
| 2ne0 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2re 9312 |
. 2
| |
| 2 | 2pos 9333 |
. 2
| |
| 3 | 1, 2 | gt0ne0ii 8766 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4230 ax-pow 4289 ax-pr 4324 ax-un 4556 ax-setind 4661 ax-cnex 8223 ax-resscn 8224 ax-1cn 8225 ax-1re 8226 ax-icn 8227 ax-addcl 8228 ax-addrcl 8229 ax-mulcl 8230 ax-addcom 8232 ax-addass 8234 ax-i2m1 8237 ax-0lt1 8238 ax-0id 8240 ax-rnegex 8241 ax-pre-ltirr 8244 ax-pre-lttrn 8246 ax-pre-ltadd 8248 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-rab 2531 df-v 2817 df-dif 3215 df-un 3217 df-in 3219 df-ss 3226 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-br 4112 df-opab 4174 df-xp 4757 df-iota 5314 df-fv 5362 df-ov 6055 df-pnf 8315 df-mnf 8316 df-ltxr 8318 df-2 9301 |
| This theorem is referenced by: 0ne2 9448 2cnne0 9452 2rene0 9453 zeo3 12562 evend2 12583 oddp1d2 12584 3lcm2e6woprm 12791 2logb9irrALT 15888 lgseisenlem1 15992 lgsquad2lem1 16003 lgsquad3 16006 m1lgs 16007 usgrexmpldifpr 16293 konigsberglem1 16532 apdiff 16881 qdiff 16882 |
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