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Theorem
2cn
6126
Description:
The number 2 is a complex number.
Assertion
Ref
Expression
2cn
Proof of Theorem
2cn
Step
Hyp
Ref
Expression
1
2re
6125
. 2
2
1
recni
5468
1
Colors of variables:
wff
set
class
Syntax hints:
wcel
994
cc
5386
c2
6107
This theorem is referenced by:
2p2e4
6147
times2
6151
3p3e6
6154
4p3e7
6156
5p3e8
6159
6p3e9
6163
7p3e10
6166
2t2e4
6168
3t3e9
6170
4d2e2
6173
8th4div3
6177
halfpm6th
6178
halfcl
6179
half0
6181
2halves
6185
halfaddsub
6187
nneoi
6368
zeo
6370
zneo
6371
flhalf
6446
expubnd
6805
sq2
6835
cu2
6837
subsq2
6840
discrlem1
6857
nnesqi
6863
sqr2irrlem1
6925
sqr2irrlem4
6928
cjmulval
7003
recj
7019
imcj
7020
absmax
7100
abs3lemi
7104
fac2
7140
fac3
7141
faclbnd2
7149
faclbnd4lem1
7151
faclbnd4lem3
7153
faclbnd4lem4
7154
faclbnd5
7156
fsum4
7228
climaddlem3
7319
arisumi
7430
erelem2
7525
erelem3
7526
ele3lem
7531
ege2le3lem2
7534
efaddlem8
7550
efaddlem12
7554
efaddlem20
7562
efaddlem22
7564
eirrlem1
7594
ef4pi
7607
sincl
7639
efi4p
7643
sinneg
7650
efival
7655
sinaddi
7659
cosaddi
7660
subcos
7668
cos2tsin
7672
sin01bndlem1
7676
sin01bndlem3
7678
cos01bndlem2
7679
cos01bndlem3
7680
cos1bnd
7683
cos2bnd
7684
cos01gt0
7686
sin02gt0
7687
sin4lt0
7690
znnenlem
7713
znnen
7714
ruclem1
7722
ruclem3
7724
ioo2bl
8123
bcthlem1
8210
bcthlem17
8226
bcthlem21
8230
bcthlem33
8242
ipval2
8611
ipid
8617
cnph
8734
ip0i
8740
ip1ilem
8741
ipdirilem
8744
ubthlem8
8794
ubthlem9
8795
minveclem16
8820
minveclem18
8822
minveclem19
8823
minveclem27
8831
minveclem35
8839
minveclem36
8840
minveclem37
8841
minveclem38
8842
sinco
8934
cosco
8935
sincn
8936
coscn
8937
pilem1
8938
sinhalfpilem
8946
cospi
8949
sin2pi
8951
cos2pi
8952
sinperlem2
8954
sinper
8957
cosper
8958
sin2pim
8959
cos2pim
8960
sinhalfpip
8966
sinhalfpim
8967
coshalfpip
8968
coshalfpim
8969
sincosq3sgn
8973
sincosq4sgn
8974
sinq12gt0t
8975
sincosq1eq
8977
sincos4thpi
8978
sincos6thpi
8979
abssinper
8980
coskpi
8982
sineq0re
8985
cosh111lem1
8986
eff1o
9020
pilog
9040
hvsubcan2i
9206
norm-ii.i
9280
norm3lem
9292
normpar2i
9299
polid2i
9300
hhph
9321
projlem3
9464
projlem4
9465
projlem5
9466
projlem7
9468
projlem18
9479
mayete3i
9951
mayete3OLDi
9952
cdj3lem1
10643
mslb1
11152
2wsms
11153
msra3
11154
rddif
11869
fsumltisumi
11886
csbrni
11895
trirni
11896
isbnd3
11997
heiborlem32
12042
heiborlem33
12043
phtpycolem2
12094
phtpycolem3
12095
phtpycolem4
12096
phtpyco
12098
This theorem was proved from axioms:
ax-1
4
ax-2
5
ax-3
6
ax-mp
7
ax-7
998
ax-gen
999
ax-8
1000
ax-9
1001
ax-10
1002
ax-11
1003
ax-12
1004
ax-13
1005
ax-14
1006
ax-17
1007
ax-4
1009
ax-5o
1011
ax-6o
1014
ax-9o
1159
ax-10o
1177
ax-16
1247
ax-11o
1255
ax-ext
1500
ax-rep
2767
ax-sep
2777
ax-nul
2784
ax-pow
2818
ax-pr
2855
ax-un
3089
ax-inf2
4770
This theorem depends on definitions:
df-bi
145
df-or
222
df-an
223
df-3or
782
df-3an
783
df-ex
1017
df-sb
1209
df-eu
1421
df-mo
1422
df-clab
1506
df-cleq
1511
df-clel
1514
df-ne
1630
df-ral
1695
df-rex
1696
df-reu
1697
df-rab
1698
df-v
1858
df-sbc
1987
df-csb
2052
df-dif
2101
df-un
2102
df-in
2103
df-ss
2105
df-pss
2107
df-nul
2333
df-if
2416
df-pw
2459
df-sn
2470
df-pr
2471
df-tp
2473
df-op
2474
df-uni
2570
df-int
2601
df-iun
2635
df-br
2693
df-opab
2741
df-tr
2755
df-eprel
2910
df-id
2913
df-po
2918
df-so
2929
df-fr
2947
df-we
2962
df-ord
2978
df-on
2979
df-lim
2980
df-suc
2981
df-om
3219
df-xp
3265
df-rel
3266
df-cnv
3267
df-co
3268
df-dm
3269
df-rn
3270
df-res
3271
df-ima
3272
df-fun
3273
df-fn
3274
df-f
3275
df-fv
3279
df-opr
4023
df-oprab
4024
df-1st
4140
df-2nd
4141
df-rdg
4233
df-1o
4269
df-oadd
4271
df-omul
4272
df-er
4401
df-ec
4403
df-qs
4406
df-ni
5154
df-pli
5155
df-mi
5156
df-lti
5157
df-plpq
5189
df-mpq
5190
df-enq
5191
df-nq
5192
df-plq
5193
df-mq
5194
df-rq
5195
df-ltq
5196
df-1q
5197
df-np
5240
df-1p
5241
df-plp
5242
df-mp
5243
df-ltp
5244
df-plpr
5318
df-mpr
5319
df-enr
5320
df-nr
5321
df-plr
5322
df-mr
5323
df-ltr
5324
df-0r
5325
df-1r
5326
df-m1r
5327
df-c
5394
df-0
5395
df-1
5396
df-i
5397
df-r
5398
df-plus
5399
df-mul
5400
df-sub
5510
df-neg
5512
df-2
6116
Copyright terms:
Public domain