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Theorem
nnnn0t
6108
Description:
A natural number is a nonnegative integer.
Assertion
Ref
Expression
nnnn0t
Proof of Theorem
nnnn0t
Step
Hyp
Ref
Expression
1
nnssnn0
6104
. 2
2
1
sseli
2068
1
Colors of variables:
wff
set
class
Syntax hints:
wi
3
wcel
960
cn
5308
cn0
5309
This theorem is referenced by:
nnnn0
6109
dfn2
6114
nn0addclt
6122
nn0mulcl
6124
elnnnn0b
6175
elnnnn0c
6176
zltp1let
6183
nn0ind-raph
6216
expnnvalt
6573
expcllem
6576
expeq0t
6586
expge0t
6592
expgt1t
6593
expge1t
6594
expordit
6601
expnlbndt
6656
facdivt
6942
facwordit
6944
faclbnd
6945
faclbnd3
6947
faclbnd4lem3
6950
faclbnd4lem4
6951
faclbnd5
6953
faclbnd6
6954
facavgt
6955
bccl2t
6971
bcclt
6972
ser1ser0
7048
binomlem1
7066
binomlem2
7067
binomlem3
7068
binomlem5
7070
binomlem6
7071
bcxmas
7076
climubi
7153
isumnn0nna
7208
fnsmnt
7226
expcnvlem2
7228
expcnv
7233
geolimilem
7235
geoisum1c
7245
0.999...
7246
cvgratlem1ALT
7247
cvgratlem2ALT
7248
cvgratlem1
7250
cvgratlem2
7251
cvgratlem5
7254
efcltlem1
7304
efcltlem2
7305
dfef2
7307
efseq0ex
7311
erelem1
7319
erelem2
7320
erelem3
7321
erelem6
7324
efaddlem3
7340
efaddlem6
7343
efaddlem9
7346
efaddlem15
7352
efaddlem17
7354
efaddlem19
7356
efaddlem27
7364
eftlubclt
7376
reeftlclt
7380
abspef01tlub
7395
absefm1le
7412
xpnnen
7500
infpnlem1
7507
infpnlem2
7508
bcthlem1
7996
bcthlem8
8003
bcthlem21
8016
ipcl
8361
ip1cnilem1
8369
ip1cnilem2
8370
ip1cnilem3
8371
ip1cnilem4
8372
ip1cnilem5
8373
ip1cnilem6
8374
sspival
8393
ipasslem3
8488
ipasslem4
8489
This theorem was proved from axioms:
ax-1
4
ax-2
5
ax-3
6
ax-mp
7
ax-7
964
ax-gen
965
ax-8
966
ax-10
968
ax-12
970
ax-17
973
ax-4
975
ax-5o
977
ax-6o
980
ax-9o
1125
ax-10o
1142
ax-16
1212
ax-11o
1220
ax-ext
1462
This theorem depends on definitions:
df-bi
147
df-or
224
df-an
225
df-ex
983
df-sb
1174
df-clab
1467
df-cleq
1472
df-clel
1475
df-v
1815
df-un
2053
df-in
2054
df-ss
2056
df-n0
6102
Copyright terms:
Public domain