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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 8324 |
. 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 8278 ax-icn 8280 ax-addcl 8281 ax-mulcl 8283 ax-i2m1 8290 |
| This proof depends on definitions: df-bi 117 df-cleq 2231 df-clel 2234 |
| This theorem is used by: addeq0 8710 mulap0r 8951 mulap0 8990 msq0 9005 mul0eqap 9008 diveqap0 9020 eqneg 9070 div2subap 9175 prodgt0 9190 un0addcl 9607 un0mulcl 9608 modsumfzodifsn 10854 ser0 10991 ser0f 10992 resq01 11116 sq01 11682 abs00ap 11850 abs00 11852 abssubne0 11880 mul0inf 12032 clim0c 12077 sumrbdclem 12169 summodclem2a 12173 zsumdc 12176 fsum3 12179 isumz 12181 isumss 12183 fisumss 12184 fsum3cvg2 12186 fsum3ser 12189 fsumcl2lem 12190 fsumcl 12192 fsumadd 12198 fsumsplit 12199 sumsnf 12201 sumsplitdc 12224 fsummulc2 12240 ef0lem 12452 ef4p 12486 tanvalap 12500 modprm0 13062 pcmpt2 13152 4sqlem10 13195 4sqlem11 13209 ballotfilemic 13308 ballotfilem1c 13309 fsumcncntop 15793 limcimolemlt 15890 dvmptcmulcn 15947 dvmptfsum 15951 dveflem 15952 dvef 15953 plyf 15963 elplyr 15966 elplyd 15967 ply1term 15969 plyaddlem 15975 plymullem 15976 plycolemc 15984 plycn 15988 dvply1 15991 ptolemy 16051 prmorcht 16282 lgsdir2 16357 lgsdir 16359 apdiff 17304 iswomni0 17308 |
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