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Theorem
2cn
5980
Description:
The number 2 is a complex number.
Assertion
Ref
Expression
2cn
Proof of Theorem
2cn
Step
Hyp
Ref
Expression
1
2re
5979
. 2
2
1
recn
5314
1
Colors of variables:
wff
set
class
Syntax hints:
wcel
958
cc
5232
c2
5961
This theorem is referenced by:
2p2e4
6001
times2t
6005
3p3e6
6008
4p3e7
6010
5p3e8
6013
6p3e9
6017
7p3e10
6020
2t2e4
6022
3t3e9
6024
4d2e2
6027
8th4div3
6031
halfpm6th
6032
halfclt
6033
half0t
6035
2halvest
6039
halfaddsubt
6041
nneo
6197
zeot
6199
zneo
6200
flhalft
6246
expubndt
6608
sq2
6638
cu2
6640
subsq2t
6643
discrlem1
6656
nnesq
6662
sqr2irrlem1
6724
sqr2irrlem4
6727
cjmulvalt
6802
recjt
6818
imcjt
6819
absmaxt
6897
abs3lem
6901
fac2
6937
fac3
6938
faclbnd2
6946
faclbnd4lem1
6948
faclbnd4lem3
6950
faclbnd4lem4
6951
faclbnd5
6953
fsum4
7025
climaddlem3
7116
fnsmnt
7226
erelem2
7320
erelem3
7321
ele3lem
7326
ege2le3lem2
7329
efaddlem8
7345
efaddlem12
7349
efaddlem20
7357
efaddlem22
7359
eirrlem1
7389
ef4p
7399
sinclt
7431
efi4pt
7435
sinnegt
7442
efivalt
7447
sinadd
7451
cosadd
7452
subcost
7460
sin01bndlem1
7467
sin01bndlem3
7469
cos01bndlem2
7470
cos01bndlem3
7471
cos1bnd
7474
cos2bnd
7475
cos01gt0
7477
sin02gt0
7478
sin4lt0
7481
znnenlem
7501
znnen
7502
ruclem1
7510
ruclem3
7512
ioo2bl
7912
bcthlem1
7999
bcthlem17
8015
bcthlem21
8019
bcthlem33
8031
ipval2
8357
ipid
8363
cnph
8478
ip0i
8484
ip1ilem
8485
ipdirilem
8488
ubthlem8
8536
ubthlem9
8537
minveclem16
8560
minveclem18
8562
minveclem19
8563
minveclem27
8571
minveclem35
8579
minveclem36
8580
minveclem37
8581
minveclem38
8582
sinco
8667
cosco
8668
sincn
8669
coscn
8670
pilem1
8671
sinhalfpilem
8679
cospi
8682
sin2pi
8684
cos2pi
8685
sinperlem2
8687
sinper
8690
cosper
8691
sin2pim
8692
cos2pim
8693
sinkpi
8697
sinhalfpip
8699
sinhalfpim
8700
coshalfpip
8701
coshalfpim
8702
sincosq3sgn
8706
sincosq4sgn
8707
sinq12gt0t
8708
sincosq1eq
8709
sincos4thpi
8710
sincos6thpi
8711
abssinper
8712
cosh111lem1
8714
eff1o
8748
pilog
8768
hvsubcan2
8931
norm-ii
9004
norm3lem
9016
normpar2
9023
polid2
9024
hhph
9045
projlem3
9188
projlem4
9189
projlem5
9190
projlem7
9192
projlem18
9203
mayete3
9673
cdj3lem1
10361
mslb1
10629
2wsms
10630
msra3
10631
This theorem was proved from axioms:
ax-1
4
ax-2
5
ax-3
6
ax-mp
7
ax-7
962
ax-gen
963
ax-8
964
ax-9
965
ax-10
966
ax-11
967
ax-12
968
ax-13
969
ax-14
970
ax-17
971
ax-4
973
ax-5o
975
ax-6o
978
ax-9o
1123
ax-10o
1140
ax-16
1210
ax-11o
1218
ax-ext
1459
ax-rep
2693
ax-sep
2703
ax-nul
2710
ax-pow
2742
ax-pr
2779
ax-un
2866
ax-inf2
4625
This theorem depends on definitions:
df-bi
147
df-or
224
df-an
225
df-3or
776
df-3an
777
df-ex
981
df-sb
1172
df-eu
1382
df-mo
1383
df-clab
1464
df-cleq
1469
df-clel
1472
df-ne
1587
df-ral
1649
df-rex
1650
df-reu
1651
df-rab
1652
df-v
1812
df-sbc
1942
df-csb
2002
df-dif
2049
df-un
2050
df-in
2051
df-ss
2053
df-pss
2055
df-nul
2281
df-if
2362
df-pw
2402
df-sn
2412
df-pr
2413
df-tp
2415
df-op
2416
df-uni
2504
df-int
2534
df-iun
2568
df-br
2620
df-opab
2667
df-tr
2681
df-eprel
2832
df-id
2835
df-po
2840
df-so
2850
df-fr
2917
df-we
2934
df-ord
2951
df-on
2952
df-lim
2953
df-suc
2954
df-om
3132
df-xp
3184
df-rel
3185
df-cnv
3186
df-co
3187
df-dm
3188
df-rn
3189
df-res
3190
df-ima
3191
df-fun
3192
df-fn
3193
df-f
3194
df-fv
3198
df-rdg
3932
df-opr
3965
df-oprab
3966
df-1st
4079
df-2nd
4080
df-1o
4133
df-oadd
4135
df-omul
4136
df-er
4261
df-ec
4263
df-qs
4266
df-ni
5000
df-pli
5001
df-mi
5002
df-lti
5003
df-plpq
5035
df-mpq
5036
df-enq
5037
df-nq
5038
df-plq
5039
df-mq
5040
df-rq
5041
df-ltq
5042
df-1q
5043
df-np
5086
df-1p
5087
df-plp
5088
df-mp
5089
df-ltp
5090
df-plpr
5164
df-mpr
5165
df-enr
5166
df-nr
5167
df-plr
5168
df-mr
5169
df-ltr
5170
df-0r
5171
df-1r
5172
df-m1r
5173
df-c
5240
df-0
5241
df-1
5242
df-i
5243
df-r
5244
df-plus
5245
df-mul
5246
df-sub
5356
df-neg
5358
df-2
5970
Copyright terms:
Public domain