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| Mirrors > Home > ILE Home > Th. List > 1ne0 | GIF version | ||
| Description: 1 ≠ 0. See aso 1ap0 8918. (Contributed by Jim Kingdon, 9-Mar-2020.) |
| Ref | Expression |
|---|---|
| 1ne0 | ⊢ 1 ≠ 0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0ne1 9371 | . 2 ⊢ 0 ≠ 1 | |
| 2 | 1 | necomi 2505 | 1 ⊢ 1 ≠ 0 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ≠ wne 2420 0cc0 8179 1c1 8180 |
| This proof depends on 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 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8270 ax-resscn 8271 ax-1re 8273 ax-addrcl 8276 ax-0lt1 8285 ax-rnegex 8288 ax-pre-ltirr 8291 |
| This proof 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 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-xp 4780 df-pnf 8362 df-mnf 8363 df-ltxr 8365 |
| This theorem is used by: neg1ne0 9411 efne0 12445 mod2eq1n2dvds 12646 m1exp1 12668 gcd1 12764 rpdvds 12877 m1dvdsndvds 13027 pcpre1 13071 pc1 13084 pcrec 13087 pcid 13103 ballotfilemii 13246 zringnzr 14937 lgsne0 16157 1lgs 16162 gausslemma2dlem0i 16176 lgsquad2lem2 16201 2lgs 16223 2sqlem7 16240 2sqlem8a 16241 2sqlem8 16242 usgrexmpldifpr 16490 konigsberglem1 16729 trirec0xor 17094 dceqnconst 17110 dcapnconst 17111 |
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