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| Mirrors > Home > ILE Home > Th. List > neg1cn | Unicode version | ||
| Description: -1 is a complex number (common case). (Contributed by David A. Wheeler, 7-Jul-2016.) |
| Ref | Expression |
|---|---|
| neg1cn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-1cn 8266 |
. 2
| |
| 2 | 1 | negcli 8588 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| 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 4247 ax-pow 4309 ax-pr 4344 ax-setind 4682 ax-resscn 8265 ax-1cn 8266 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-addcom 8273 ax-addass 8275 ax-distr 8277 ax-i2m1 8278 ax-0id 8281 ax-rnegex 8282 ax-cnre 8284 |
| 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-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 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-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-iota 5335 df-fun 5377 df-fv 5383 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-sub 8493 df-neg 8494 |
| This theorem is used by: peano2z 9663 m1expcl2 10981 m1expeven 11006 fsumneg 12201 m1expo 12650 m1exp1 12651 n2dvdsm1 12663 bitsfzo 12705 dvmptnegcn 15806 plysubcl 15840 efipi 15885 eulerid 15886 sin2pi 15887 sinmpi 15899 cosmpi 15900 sinppi 15901 cosppi 15902 wilthlem1 16077 lgsneg 16126 lgsdilem 16129 lgsdir2lem3 16132 lgsdir2lem4 16133 lgsdir2 16135 lgsdir 16137 gausslemma2dlem5 16168 gausslemma2d 16171 lgseisenlem1 16172 lgseisenlem2 16173 lgseisenlem4 16175 lgseisen 16176 lgsquadlem1 16179 lgsquadlem2 16180 lgsquadlem3 16181 lgsquad2lem1 16183 lgsquad2lem2 16184 lgsquad3 16186 m1lgs 16187 |
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