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Theorem
2re
5934
Description:
The number 2 is real.
Assertion
Ref
Expression
2re
Proof of Theorem
2re
Step
Hyp
Ref
Expression
1
df-2
5925
. 2
2
1re
5415
. . 3
3
2, 2
readdcl
5314
. 2
4
1, 3
eqeltr
1541
1
Colors of variables:
wff
set
class
Syntax hints:
wcel
956
(
class class class
)
co
3954
cr
5213
c1
5215
caddc
5217
c2
5916
This theorem is referenced by:
2cn
5935
3re
5936
2ne0
5945
3pos
5946
halfgt0
5984
halflt1
5985
halfpm6th
5987
rehalfclt
5989
halfpos2t
5992
halfnneg2t
5993
nominpos
5998
avglet
5999
nn0lele2x
6090
halfnz
6149
nneo
6152
flhalft
6197
expubndt
6547
discrlem1
6594
discrlem2
6595
nnesq
6600
nn0opthlem2
6603
sqr4
6655
sqr2gt1lt2
6657
sqr2irrlem1
6662
sqr2irrlem4
6665
sqr2irr
6667
sqr2re
6668
abstri
6837
abs3lem
6846
faclbnd2
6891
faclbnd4lem1
6893
faclbnd5
6898
climunii
7043
climaddlem3
7060
ser1f0
7114
fnsmnt
7169
expcnvlem5
7174
erelem1
7269
erelem2
7270
erelem3
7271
erelem4
7272
ele3lem
7276
ege2le3lem2
7279
efaddlem8
7295
efaddlem12
7299
efaddlem15
7302
efaddlem20
7307
efaddlem22
7309
efaddlem23
7310
efaddlem25
7312
eirrlem1
7338
eirrlem3
7340
reeff1olem2
7373
reeff1olem2OLD
7375
sin01bndlem1
7417
cos01bndlem2
7420
cos2bnd
7425
sin01gt0
7426
cos01gt0
7427
sin02gt0
7428
sincos2sgn
7430
sin4lt0
7431
znnen
7453
ruclem1
7461
ruclem2
7462
ruclem3
7463
ruclem13
7473
ruclem25
7485
ruclem26
7486
metge0
7771
bl2in
7795
dscmet
7870
bcthlem1
7949
bcthlem8
7956
bcthlem21
7969
nvge0
8254
ipid
8310
ubthlem12
8484
ubthlem13
8485
ubthlem14
8486
minveclem16
8504
minveclem21
8509
minveclem25
8513
minveclem26
8514
minveclem27
8515
minveclem35
8523
minveclem38
8526
pilem1
8609
pilem2
8610
pilem3
8611
pigt2lt4
8613
sinhalfpilem
8617
sinperlem1
8624
sincosq1lem
8639
sincosq1sgn
8640
sincosq2sgn
8641
sincosq3sgn
8642
sincosq4sgn
8643
sinq12gt0t
8644
sincos4thpi
8646
sincos6thpi
8647
cosh111lem1
8648
efif
8655
efifolem2
8657
efifolem3
8658
efifolem4
8659
efifolem6
8661
efifolem7
8662
efif1lem1
8664
efif1lem2
8665
efif1lem4
8667
efif1lem5
8668
efif1lem6
8669
efif1lem7
8670
circgrp
8679
shftefif1olem
8680
effoi
8684
efper
8686
normlem7
8921
norm-ii
8943
norm3lem
8955
norm3lemt
8958
normpar2
8962
bcsALT
8985
hlimcaui
9045
hlimunii
9047
projlem1
9125
projlem2
9126
projlem3
9127
projlem4
9128
projlem5
9129
projlem6
9130
projlem18
9142
projlem28
9152
hmopidmch
10017
stadd
10111
cdj3lem1
10295
dmse1
10503
msr3
10505
msr4
10506
mslb1
10509
msra3
10511
iintlem1
10512
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