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Theorem
2cn
5935
Description:
The number 2 is a complex number.
Assertion
Ref
Expression
2cn
Proof of Theorem
2cn
Step
Hyp
Ref
Expression
1
2re
5934
. 2
2
1
recn
5294
1
Colors of variables:
wff
set
class
Syntax hints:
wcel
956
cc
5212
c2
5916
This theorem is referenced by:
2p2e4
5956
times2t
5960
3p3e6
5963
4p3e7
5965
5p3e8
5968
6p3e9
5972
7p3e10
5975
2t2e4
5977
3t3e9
5979
4d2e2
5982
8th4div3
5986
halfpm6th
5987
halfclt
5988
half0t
5990
2halvest
5994
halfaddsubt
5996
nneo
6152
zeot
6154
zneo
6155
zneoOLD
6156
flhalft
6197
expubndt
6547
sq2
6577
cu2
6579
subsq2t
6582
discrlem1
6594
nnesq
6600
sqr2irrlem1
6662
sqr2irrlem4
6665
cjmulvalt
6745
recjt
6761
imcjt
6762
abs3lem
6846
fac2
6882
fac3
6883
faclbnd2
6891
faclbnd4lem1
6893
faclbnd4lem3
6895
faclbnd4lem4
6896
faclbnd5
6898
fsum4
6971
climaddlem3
7060
fnsmnt
7169
erelem2
7270
erelem3
7271
ele3lem
7276
ege2le3lem2
7279
efaddlem8
7295
efaddlem12
7299
efaddlem20
7307
efaddlem22
7309
eirrlem1
7338
ef4p
7348
sinclt
7381
efi4pt
7385
sinnegt
7392
efivalt
7397
sinadd
7401
cosadd
7402
subcost
7410
sin01bndlem1
7417
sin01bndlem3
7419
cos01bndlem2
7420
cos01bndlem3
7421
cos1bnd
7424
cos2bnd
7425
cos01gt0
7427
sin02gt0
7428
sin4lt0
7431
znnenlem
7451
znnenlemOLD
7452
znnen
7453
ruclem1
7461
ruclem3
7463
ioo2bl
7864
bcthlem1
7949
bcthlem17
7965
bcthlem21
7969
bcthlem33
7981
ipval2
8304
ipid
8310
cnph
8422
ip0i
8428
ip1ilem
8429
ipdirilem
8432
ubthlem8
8480
ubthlem9
8481
minveclem16
8504
minveclem18
8506
minveclem19
8507
minveclem27
8515
minveclem35
8523
minveclem36
8524
minveclem37
8525
minveclem38
8526
sinco
8605
cosco
8606
sincn
8607
coscn
8608
pilem1
8609
sinhalfpilem
8617
cospi
8620
sin2pi
8622
cos2pi
8623
sinperlem2
8625
sinper
8628
cosper
8629
sin2pim
8630
cos2pim
8631
sinhalfpip
8635
sinhalfpim
8636
coshalfpip
8637
coshalfpim
8638
sincosq3sgn
8642
sincosq4sgn
8643
sinq12gt0t
8644
sincosq1eq
8645
sincos4thpi
8646
sincos6thpi
8647
cosh111lem1
8648
eff1o
8687
pilog
8707
hvsubcan2
8870
norm-ii
8943
norm3lem
8955
normpar2
8962
polid2
8963
hhph
8984
projlem3
9127
projlem4
9128
projlem5
9129
projlem7
9131
projlem18
9142
mayete3
9613
cdj3lem1
10295
mslb1
10509
2wsms
10510
msra3
10511
This theorem was proved from axioms:
ax-1
4
ax-2
5
ax-3
6
ax-mp
7
ax-7
960
ax-gen
961
ax-8
962
ax-9
963
ax-10
964
ax-11
965
ax-12
966
ax-13
967
ax-14
968
ax-17
969
ax-4
971
ax-5o
973
ax-6o
976
ax-9o
1121
ax-10o
1138
ax-16
1208
ax-11o
1216
ax-ext
1457
ax-rep
2688
ax-sep
2698
ax-nul
2705
ax-pow
2737
ax-pr
2774
ax-un
2861
ax-inf2
4605
This theorem depends on definitions:
df-bi
147
df-or
224
df-an
225
df-3or
775
df-3an
776
df-ex
979
df-sb
1170
df-eu
1380
df-mo
1381
df-clab
1462
df-cleq
1467
df-clel
1470
df-ne
1584
df-ral
1646
df-rex
1647
df-reu
1648
df-rab
1649
df-v
1808
df-sbc
1938
df-csb
1998
df-dif
2045
df-un
2046
df-in
2047
df-ss
2049
df-pss
2051
df-nul
2277
df-if
2358
df-pw
2398
df-sn
2408
df-pr
2409
df-tp
2411
df-op
2412
df-uni
2499
df-int
2529
df-iun
2563
df-br
2615
df-opab
2662
df-tr
2676
df-eprel
2827
df-id
2830
df-po
2835
df-so
2845
df-fr
2912
df-we
2929
df-ord
2946
df-on
2947
df-lim
2948
df-suc
2949
df-om
3127
df-xp
3179
df-rel
3180
df-cnv
3181
df-co
3182
df-dm
3183
df-rn
3184
df-res
3185
df-ima
3186
df-fun
3187
df-fn
3188
df-f
3189
df-fv
3193
df-rdg
3923
df-opr
3956
df-oprab
3957
df-1st
4069
df-2nd
4070
df-1o
4123
df-oadd
4125
df-omul
4126
df-er
4251
df-ec
4253
df-qs
4256
df-ni
4980
df-pli
4981
df-mi
4982
df-lti
4983
df-plpq
5015
df-mpq
5016
df-enq
5017
df-nq
5018
df-plq
5019
df-mq
5020
df-rq
5021
df-ltq
5022
df-1q
5023
df-np
5066
df-1p
5067
df-plp
5068
df-mp
5069
df-ltp
5070
df-plpr
5144
df-mpr
5145
df-enr
5146
df-nr
5147
df-plr
5148
df-mr
5149
df-ltr
5150
df-0r
5151
df-1r
5152
df-m1r
5153
df-c
5220
df-0
5221
df-1
5222
df-i
5223
df-r
5224
df-plus
5225
df-mul
5226
df-sub
5336
df-neg
5338
df-2
5925
Copyright terms:
Public domain