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Mirrors > Home > ILE Home > Th. List > 0cn | Unicode version |
Description: 0 is a complex number. (Contributed by NM, 19-Feb-2005.) |
Ref | Expression |
---|---|
0cn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-i2m1 7718 | . 2 | |
2 | ax-icn 7708 | . . . 4 | |
3 | mulcl 7740 | . . . 4 | |
4 | 2, 2, 3 | mp2an 422 | . . 3 |
5 | ax-1cn 7706 | . . 3 | |
6 | addcl 7738 | . . 3 | |
7 | 4, 5, 6 | mp2an 422 | . 2 |
8 | 1, 7 | eqeltrri 2211 | 1 |
Colors of variables: wff set class |
Syntax hints: wcel 1480 (class class class)co 5767 cc 7611 cc0 7613 c1 7614 ci 7615 caddc 7616 cmul 7618 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1423 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-4 1487 ax-17 1506 ax-ial 1514 ax-ext 2119 ax-1cn 7706 ax-icn 7708 ax-addcl 7709 ax-mulcl 7711 ax-i2m1 7718 |
This theorem depends on definitions: df-bi 116 df-cleq 2130 df-clel 2133 |
This theorem is referenced by: 0cnd 7752 c0ex 7753 addid2 7894 00id 7896 cnegexlem2 7931 negcl 7955 subid 7974 subid1 7975 neg0 8001 negid 8002 negsub 8003 subneg 8004 negneg 8005 negeq0 8009 negsubdi 8011 renegcl 8016 mul02 8142 mul01 8144 mulneg1 8150 ixi 8338 negap0 8385 muleqadd 8422 divvalap 8427 div0ap 8455 recgt0 8601 0m0e0 8825 2muline0 8938 elznn0 9062 ser0 10280 0exp0e1 10291 expeq0 10317 0exp 10321 sq0 10376 bcval5 10502 shftval3 10592 shftidt2 10597 cjap0 10672 cjne0 10673 abs0 10823 abs2dif 10871 clim0 11047 climz 11054 serclim0 11067 sumrbdclem 11138 fsum3cvg 11139 summodclem3 11142 summodclem2a 11143 fisumss 11154 fsumrelem 11233 ef0 11367 eftlub 11385 sin0 11425 tan0 11427 cnbl0 12692 cnblcld 12693 dvconst 12819 dvcnp2cntop 12821 dvrecap 12835 dveflem 12844 sinhalfpilem 12861 sin2kpi 12881 cos2kpi 12882 sinkpi 12917 |
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