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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 8318 |
. 2
| |
| 2 | 1 | a1i 9 |
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-5 1500 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-4 1563 ax-17 1579 ax-ial 1587 ax-ext 2220 ax-1cn 8272 ax-icn 8274 ax-addcl 8275 ax-mulcl 8277 ax-i2m1 8284 |
| This proof depends on definitions: df-bi 117 df-cleq 2231 df-clel 2234 |
| This theorem is used by: addeq0 8703 mulap0r 8943 mulap0 8982 msq0 8997 mul0eqap 9000 diveqap0 9012 eqneg 9062 div2subap 9167 prodgt0 9182 un0addcl 9596 un0mulcl 9597 modsumfzodifsn 10833 ser0 10970 ser0f 10971 resq01 11095 sq01 11660 abs00ap 11828 abs00 11830 abssubne0 11857 mul0inf 12007 clim0c 12052 sumrbdclem 12144 summodclem2a 12148 zsumdc 12151 fsum3 12154 isumz 12156 isumss 12158 fisumss 12159 fsum3cvg2 12161 fsum3ser 12164 fsumcl2lem 12165 fsumcl 12167 fsumadd 12173 fsumsplit 12174 sumsnf 12176 sumsplitdc 12199 fsummulc2 12215 ef0lem 12427 ef4p 12461 tanvalap 12475 modprm0 13033 pcmpt2 13123 4sqlem10 13166 4sqlem11 13180 ballotfilemic 13250 ballotfilem1c 13251 fsumcncntop 15668 limcimolemlt 15765 dvmptcmulcn 15822 dvmptfsum 15826 dveflem 15827 dvef 15828 plyf 15838 elplyr 15841 elplyd 15842 ply1term 15844 plyaddlem 15850 plymullem 15851 plycolemc 15859 plycn 15863 dvply1 15866 ptolemy 15925 lgsdir2 16152 lgsdir 16154 apdiff 17097 iswomni0 17101 |
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