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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 8278 |
. 2
| |
| 2 | 1 | negcli 8601 |
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 4251 ax-pow 4313 ax-pr 4348 ax-setind 4686 ax-resscn 8277 ax-1cn 8278 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-addcom 8285 ax-addass 8287 ax-distr 8289 ax-i2m1 8290 ax-0id 8293 ax-rnegex 8294 ax-cnre 8296 |
| 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 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-opab 4194 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-iota 5340 df-fun 5382 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-sub 8506 df-neg 8507 |
| This theorem is used by: peano2z 9691 m1expcl2 11019 m1expeven 11044 fsumneg 12243 m1expo 12692 m1exp1 12693 n2dvdsm1 12705 bitsfzo 12747 dvmptnegcn 15948 plysubcl 15982 efipi 16028 eulerid 16029 sin2pi 16030 sinmpi 16042 cosmpi 16043 sinppi 16044 cosppi 16045 wilthlem1 16232 ppiqub 16293 lgsneg 16348 lgsdilem 16351 lgsdir2lem3 16354 lgsdir2lem4 16355 lgsdir2 16357 lgsdir 16359 gausslemma2dlem5 16390 gausslemma2d 16393 lgseisenlem1 16394 lgseisenlem2 16395 lgseisenlem4 16397 lgseisen 16398 lgsquadlem1 16401 lgsquadlem2 16402 lgsquadlem3 16403 lgsquad2lem1 16405 lgsquad2lem2 16406 lgsquad3 16408 m1lgs 16409 |
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