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Mirrors > Home > MPE Home > Th. List > neg1ne0 | Structured version Visualization version GIF version |
Description: -1 is nonzero. (Contributed by David A. Wheeler, 8-Dec-2018.) |
Ref | Expression |
---|---|
neg1ne0 | ⊢ -1 ≠ 0 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-1cn 10584 | . 2 ⊢ 1 ∈ ℂ | |
2 | ax-1ne0 10595 | . 2 ⊢ 1 ≠ 0 | |
3 | 1, 2 | negne0i 10950 | 1 ⊢ -1 ≠ 0 |
Colors of variables: wff setvar class |
Syntax hints: ≠ wne 2987 0cc0 10526 1c1 10527 -cneg 10860 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-po 5438 df-so 5439 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-pnf 10666 df-mnf 10667 df-ltxr 10669 df-sub 10861 df-neg 10862 |
This theorem is referenced by: m1expcl2 13447 m1expeven 13472 iseraltlem2 15031 iseraltlem3 15032 iseralt 15033 m1expo 15716 m1exp1 15717 psgnunilem4 18617 m1expaddsub 18618 psgnuni 18619 cnmsgnsubg 20266 cnmsgngrp 20268 psgninv 20271 iblcnlem1 24391 itgcnlem 24393 dgrsub 24869 coseq00topi 25095 logtayl2 25253 root1eq1 25344 root1cj 25345 cxpeq 25346 angneg 25389 ang180lem1 25395 1cubrlem 25427 atantayl2 25524 basellem2 25667 isnsqf 25720 dchrfi 25839 dchrptlem1 25848 dchrptlem2 25849 lgsne0 25919 lgseisenlem1 25959 lgseisenlem2 25960 lgseisenlem4 25962 lgseisen 25963 lgsquadlem1 25964 lgsquad2lem1 25968 lgsquad3 25971 m1lgs 25972 hvsubcan 28857 hvsubcan2 28858 superpos 30137 sgnnbi 31913 signswch 31941 signstfvcl 31953 fwddifnp1 33739 proot1ex 40145 m1expevenALTV 44165 m1expoddALTV 44166 |
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