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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 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-i2m1 7911 |
. 2
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2 | ax-icn 7901 |
. . . 4
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3 | mulcl 7933 |
. . . 4
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4 | 2, 2, 3 | mp2an 426 |
. . 3
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5 | ax-1cn 7899 |
. . 3
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6 | addcl 7931 |
. . 3
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7 | 4, 5, 6 | mp2an 426 |
. 2
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8 | 1, 7 | eqeltrri 2251 |
1
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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 1447 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-4 1510 ax-17 1526 ax-ial 1534 ax-ext 2159 ax-1cn 7899 ax-icn 7901 ax-addcl 7902 ax-mulcl 7904 ax-i2m1 7911 |
This theorem depends on definitions: df-bi 117 df-cleq 2170 df-clel 2173 |
This theorem is referenced by: 0cnd 7945 c0ex 7946 addlid 8090 00id 8092 cnegexlem2 8127 negcl 8151 subid 8170 subid1 8171 neg0 8197 negid 8198 negsub 8199 subneg 8200 negneg 8201 negeq0 8205 negsubdi 8207 renegcl 8212 mul02 8338 mul01 8340 mulneg1 8346 ixi 8534 negap0 8581 muleqadd 8619 divvalap 8625 div0ap 8653 recgt0 8801 0m0e0 9025 2muline0 9138 elznn0 9262 ser0 10507 0exp0e1 10518 expeq0 10544 0exp 10548 sq0 10603 bcval5 10734 shftval3 10827 shftidt2 10832 cjap0 10907 cjne0 10908 abs0 11058 abs2dif 11106 clim0 11284 climz 11291 serclim0 11304 sumrbdclem 11376 fsum3cvg 11377 summodclem3 11379 summodclem2a 11380 fisumss 11391 fsumrelem 11470 ef0 11671 eftlub 11689 sin0 11728 tan0 11730 cncrng 13268 cnfld0 13270 cnbl0 13816 cnblcld 13817 dvconst 13943 dvcnp2cntop 13945 dvrecap 13959 dveflem 13969 sinhalfpilem 13994 sin2kpi 14014 cos2kpi 14015 sinkpi 14050 dcapnconst 14579 |
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