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| Mirrors > Home > ILE Home > Th. List > 0cnd | Unicode version | ||
| Description: 0 is a complex number, deductive form. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| 0cnd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0cn 8231 |
. 2
| |
| 2 | 1 | a1i 9 |
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 1496 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-4 1559 ax-17 1575 ax-ial 1583 ax-ext 2213 ax-1cn 8185 ax-icn 8187 ax-addcl 8188 ax-mulcl 8190 ax-i2m1 8197 |
| This theorem depends on definitions: df-bi 117 df-cleq 2224 df-clel 2227 |
| This theorem is referenced by: mulap0r 8854 mulap0 8893 mul0eqap 8909 diveqap0 8921 eqneg 8971 div2subap 9076 prodgt0 9091 un0addcl 9494 un0mulcl 9495 modsumfzodifsn 10721 ser0 10858 ser0f 10859 abs00ap 11702 abs00 11704 abssubne0 11731 mul0inf 11881 clim0c 11926 sumrbdclem 12018 summodclem2a 12022 zsumdc 12025 fsum3 12028 isumz 12030 isumss 12032 fisumss 12033 fsum3cvg2 12035 fsum3ser 12038 fsumcl2lem 12039 fsumcl 12041 fsumadd 12047 fsumsplit 12048 sumsnf 12050 sumsplitdc 12073 fsummulc2 12089 ef0lem 12301 ef4p 12335 tanvalap 12349 modprm0 12907 pcmpt2 12997 4sqlem10 13040 4sqlem11 13054 fsumcncntop 15378 limcimolemlt 15475 dvmptcmulcn 15532 dvmptfsum 15536 dveflem 15537 dvef 15538 plyf 15548 elplyr 15551 elplyd 15552 ply1term 15554 plyaddlem 15560 plymullem 15561 plycolemc 15569 plycn 15573 dvply1 15576 ptolemy 15635 lgsdir2 15852 lgsdir 15854 apdiff 16780 iswomni0 16784 |
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