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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 8149 |
. 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 1493 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-4 1556 ax-17 1572 ax-ial 1580 ax-ext 2211 ax-1cn 8103 ax-icn 8105 ax-addcl 8106 ax-mulcl 8108 ax-i2m1 8115 |
| This theorem depends on definitions: df-bi 117 df-cleq 2222 df-clel 2225 |
| This theorem is referenced by: mulap0r 8773 mulap0 8812 mul0eqap 8828 diveqap0 8840 eqneg 8890 div2subap 8995 prodgt0 9010 un0addcl 9413 un0mulcl 9414 modsumfzodifsn 10630 ser0 10767 ser0f 10768 abs00ap 11589 abs00 11591 abssubne0 11618 mul0inf 11768 clim0c 11813 sumrbdclem 11904 summodclem2a 11908 zsumdc 11911 fsum3 11914 isumz 11916 isumss 11918 fisumss 11919 fsum3cvg2 11921 fsum3ser 11924 fsumcl2lem 11925 fsumcl 11927 fsumadd 11933 fsumsplit 11934 sumsnf 11936 sumsplitdc 11959 fsummulc2 11975 ef0lem 12187 ef4p 12221 tanvalap 12235 modprm0 12793 pcmpt2 12883 4sqlem10 12926 4sqlem11 12940 fsumcncntop 15257 limcimolemlt 15354 dvmptcmulcn 15411 dvmptfsum 15415 dveflem 15416 dvef 15417 plyf 15427 elplyr 15430 elplyd 15431 ply1term 15433 plyaddlem 15439 plymullem 15440 plycolemc 15448 plycn 15452 dvply1 15455 ptolemy 15514 lgsdir2 15728 lgsdir 15730 apdiff 16504 iswomni0 16507 |
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