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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 9357 |
. 2
| |
| 2 | 2pos 9378 |
. 2
| |
| 3 | 1, 2 | gt0ne0ii 8809 |
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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-addcom 8273 ax-addass 8275 ax-i2m1 8278 ax-0lt1 8279 ax-0id 8281 ax-rnegex 8282 ax-pre-ltirr 8285 ax-pre-lttrn 8287 ax-pre-ltadd 8289 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-br 4129 df-opab 4191 df-xp 4778 df-iota 5335 df-fv 5383 df-ov 6082 df-pnf 8356 df-mnf 8357 df-ltxr 8359 df-2 9346 |
| This theorem is referenced by: 0ne2 9493 2cnne0 9497 2rene0 9498 zeo3 12618 evend2 12639 oddp1d2 12640 3lcm2e6woprm 12847 2logb9irrALT 16059 lgseisenlem1 16172 lgsquad2lem1 16183 lgsquad3 16186 m1lgs 16187 usgrexmpldifpr 16473 konigsberglem1 16712 apdiff 17071 qdiff 17072 |
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