| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 11086 | . 2 ⊢ 1 ∈ ℂ | |
| 2 | ax-1ne0 11097 | . 2 ⊢ 1 ≠ 0 | |
| 3 | 1, 2 | negne0i 11458 | 1 ⊢ -1 ≠ 0 |
| Colors of variables: wff setvar class |
| Syntax hints: ≠ wne 2932 0cc0 11028 1c1 11029 -cneg 11367 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-po 5532 df-so 5533 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-er 8635 df-en 8886 df-dom 8887 df-sdom 8888 df-pnf 11170 df-mnf 11171 df-ltxr 11173 df-sub 11368 df-neg 11369 |
| This theorem is referenced by: m1expcl2 14010 m1expeven 14034 iseraltlem2 15608 iseraltlem3 15609 iseralt 15610 m1expo 16304 m1exp1 16305 psgnunilem4 19428 m1expaddsub 19429 psgnuni 19430 cnmsgnsubg 21534 cnmsgngrp 21536 psgninv 21539 iblcnlem1 25747 itgcnlem 25749 dgrsub 26236 coseq00topi 26469 logtayl2 26629 root1eq1 26723 root1cj 26724 cxpeq 26725 angneg 26771 ang180lem1 26777 1cubrlem 26809 atantayl2 26906 basellem2 27050 isnsqf 27103 dchrfi 27224 dchrptlem1 27233 dchrptlem2 27234 lgsne0 27304 lgseisenlem1 27344 lgseisenlem2 27345 lgseisenlem4 27347 lgseisen 27348 lgsquadlem1 27349 lgsquad2lem1 27353 lgsquad3 27356 m1lgs 27357 hvsubcan 31151 hvsubcan2 31152 superpos 32431 sgnnbi 32921 cos9thpiminplylem1 33941 signswch 34720 signstfvcl 34732 fwddifnp1 36361 proot1ex 43459 m1expevenALTV 47914 m1expoddALTV 47915 |
| Copyright terms: Public domain | W3C validator |