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Theorem
2cn
5941
Description:
The number 2 is a complex number.
Assertion
Ref
Expression
2cn
Proof of Theorem
2cn
Step
Hyp
Ref
Expression
1
2re
5940
. 2
2
1
recn
5301
1
Colors of variables:
wff
set
class
Syntax hints:
wcel
957
cc
5219
c2
5922
This theorem is referenced by:
2p2e4
5962
times2t
5966
3p3e6
5969
4p3e7
5971
5p3e8
5974
6p3e9
5978
7p3e10
5981
2t2e4
5983
3t3e9
5985
4d2e2
5988
8th4div3
5992
halfpm6th
5993
halfclt
5994
half0t
5996
2halvest
6000
halfaddsubt
6002
nneo
6158
zeot
6160
zneo
6161
zneoOLD
6162
flhalft
6206
expubndt
6558
sq2
6588
cu2
6590
subsq2t
6593
discrlem1
6606
nnesq
6612
sqr2irrlem1
6675
sqr2irrlem4
6678
cjmulvalt
6763
recjt
6779
imcjt
6780
absmaxt
6862
abs3lem
6866
fac2
6903
fac3
6904
faclbnd2
6912
faclbnd4lem1
6914
faclbnd4lem3
6916
faclbnd4lem4
6917
faclbnd5
6919
fsum4
6993
climaddlem3
7085
fnsmnt
7197
erelem2
7298
erelem3
7299
ele3lem
7304
ege2le3lem2
7307
efaddlem8
7323
efaddlem12
7327
efaddlem20
7335
efaddlem22
7337
eirrlem1
7366
ef4p
7376
sinclt
7409
efi4pt
7413
sinnegt
7420
efivalt
7425
sinadd
7429
cosadd
7430
subcost
7438
sin01bndlem1
7445
sin01bndlem3
7447
cos01bndlem2
7448
cos01bndlem3
7449
cos1bnd
7452
cos2bnd
7453
cos01gt0
7455
sin02gt0
7456
sin4lt0
7459
znnenlem
7479
znnenlemOLD
7480
znnen
7481
ruclem1
7489
ruclem3
7491
ioo2bl
7895
bcthlem1
7982
bcthlem17
7998
bcthlem21
8002
bcthlem33
8014
ipval2
8343
ipid
8349
cnph
8462
ip0i
8468
ip1ilem
8469
ipdirilem
8472
ubthlem8
8520
ubthlem9
8521
minveclem16
8544
minveclem18
8546
minveclem19
8547
minveclem27
8555
minveclem35
8563
minveclem36
8564
minveclem37
8565
minveclem38
8566
sinco
8650
cosco
8651
sincn
8652
coscn
8653
pilem1
8654
sinhalfpilem
8662
cospi
8665
sin2pi
8667
cos2pi
8668
sinperlem2
8670
sinper
8673
cosper
8674
sin2pim
8675
cos2pim
8676
sinhalfpip
8680
sinhalfpim
8681
coshalfpip
8682
coshalfpim
8683
sincosq3sgn
8687
sincosq4sgn
8688
sinq12gt0t
8689
sincosq1eq
8690
sincos4thpi
8691
sincos6thpi
8692
cosh111lem1
8693
eff1o
8732
pilog
8752
hvsubcan2
8915
norm-ii
8988
norm3lem
9000
normpar2
9007
polid2
9008
hhph
9032
hhphOLD
9033
projlem3
9176
projlem4
9177
projlem5
9178
projlem7
9180
projlem18
9191
mayete3
9664
cdj3lem1
10352
mslb1
10580
2wsms
10581
msra3
10582
This theorem was proved from axioms:
ax-1
4
ax-2
5
ax-3
6
ax-mp
7
ax-7
961
ax-gen
962
ax-8
963
ax-9
964
ax-10
965
ax-11
966
ax-12
967
ax-13
968
ax-14
969
ax-17
970
ax-4
972
ax-5o
974
ax-6o
977
ax-9o
1122
ax-10o
1139
ax-16
1210
ax-11o
1218
ax-ext
1459
ax-rep
2690
ax-sep
2700
ax-nul
2707
ax-pow
2739
ax-pr
2776
ax-un
2863
ax-inf2
4612
This theorem depends on definitions:
df-bi
147
df-or
224
df-an
225
df-3or
775
df-3an
776
df-ex
980
df-sb
1172
df-eu
1382
df-mo
1383
df-clab
1464
df-cleq
1469
df-clel
1472
df-ne
1586
df-ral
1648
df-rex
1649
df-reu
1650
df-rab
1651
df-v
1810
df-sbc
1940
df-csb
2000
df-dif
2047
df-un
2048
df-in
2049
df-ss
2051
df-pss
2053
df-nul
2279
df-if
2360
df-pw
2400
df-sn
2410
df-pr
2411
df-tp
2413
df-op
2414
df-uni
2501
df-int
2531
df-iun
2565
df-br
2617
df-opab
2664
df-tr
2678
df-eprel
2829
df-id
2832
df-po
2837
df-so
2847
df-fr
2914
df-we
2931
df-ord
2948
df-on
2949
df-lim
2950
df-suc
2951
df-om
3129
df-xp
3181
df-rel
3182
df-cnv
3183
df-co
3184
df-dm
3185
df-rn
3186
df-res
3187
df-ima
3188
df-fun
3189
df-fn
3190
df-f
3191
df-fv
3195
df-rdg
3929
df-opr
3962
df-oprab
3963
df-1st
4076
df-2nd
4077
df-1o
4130
df-oadd
4132
df-omul
4133
df-er
4258
df-ec
4260
df-qs
4263
df-ni
4987
df-pli
4988
df-mi
4989
df-lti
4990
df-plpq
5022
df-mpq
5023
df-enq
5024
df-nq
5025
df-plq
5026
df-mq
5027
df-rq
5028
df-ltq
5029
df-1q
5030
df-np
5073
df-1p
5074
df-plp
5075
df-mp
5076
df-ltp
5077
df-plpr
5151
df-mpr
5152
df-enr
5153
df-nr
5154
df-plr
5155
df-mr
5156
df-ltr
5157
df-0r
5158
df-1r
5159
df-m1r
5160
df-c
5227
df-0
5228
df-1
5229
df-i
5230
df-r
5231
df-plus
5232
df-mul
5233
df-sub
5343
df-neg
5345
df-2
5931
Copyright terms:
Public domain