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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 8137 |
. 2
| |
| 2 | ax-icn 8127 |
. . . 4
| |
| 3 | mulcl 8159 |
. . . 4
| |
| 4 | 2, 2, 3 | mp2an 426 |
. . 3
|
| 5 | ax-1cn 8125 |
. . 3
| |
| 6 | addcl 8157 |
. . 3
| |
| 7 | 4, 5, 6 | mp2an 426 |
. 2
|
| 8 | 1, 7 | eqeltrri 2305 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1495 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-4 1558 ax-17 1574 ax-ial 1582 ax-ext 2213 ax-1cn 8125 ax-icn 8127 ax-addcl 8128 ax-mulcl 8130 ax-i2m1 8137 |
| This theorem depends on definitions: df-bi 117 df-cleq 2224 df-clel 2227 |
| This theorem is referenced by: 0cnd 8172 c0ex 8173 addlid 8318 00id 8320 cnegexlem2 8355 negcl 8379 subid 8398 subid1 8399 neg0 8425 negid 8426 negsub 8427 subneg 8428 negneg 8429 negeq0 8433 negsubdi 8435 renegcl 8440 mul02 8566 mul01 8568 mulneg1 8574 ixi 8763 negap0 8810 muleqadd 8848 divvalap 8854 div0ap 8882 recgt0 9030 0m0e0 9255 2muline0 9369 elznn0 9494 ser0 10796 0exp0e1 10807 expeq0 10833 0exp 10837 sq0 10893 bcval5 11026 shftval3 11405 shftidt2 11410 cjap0 11485 cjne0 11486 abs0 11636 abs2dif 11684 clim0 11863 climz 11870 serclim0 11883 sumrbdclem 11956 fsum3cvg 11957 summodclem3 11959 summodclem2a 11960 fisumss 11971 fsumrelem 12050 ef0 12251 eftlub 12269 sin0 12308 tan0 12310 4sqlem11 12992 cncrng 14602 cnfld0 14604 cnbl0 15277 cnblcld 15278 dvconst 15437 dvconstre 15439 dvconstss 15441 dvcnp2cntop 15442 dvrecap 15456 dveflem 15469 plyun0 15479 plycjlemc 15503 plycj 15504 dvply2g 15509 sinhalfpilem 15534 sin2kpi 15554 cos2kpi 15555 sinkpi 15590 1sgm2ppw 15738 dcapnconst 16717 |
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