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Theorem
nnnn0t
6106
Description:
A natural number is a nonnegative integer.
Assertion
Ref
Expression
nnnn0t
Proof of Theorem
nnnn0t
Step
Hyp
Ref
Expression
1
nnssnn0
6102
. 2
2
1
sseli
2065
1
Colors of variables:
wff
set
class
Syntax hints:
wi
3
wcel
958
cn
5296
cn0
5297
This theorem is referenced by:
nnnn0
6107
dfn2
6112
nn0addclt
6120
nn0mulcl
6122
elnnnn0b
6173
elnnnn0c
6174
zltp1let
6181
nn0ind-raph
6214
quoremOLD
6252
expnnvalt
6572
expcllem
6575
expeq0t
6585
expge0t
6591
expgt1t
6592
expge1t
6593
expordit
6600
expnlbndt
6655
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
7499
infpnlem1
7506
infpnlem2
7507
bcthlem1
7999
bcthlem8
8006
bcthlem21
8019
ipcl
8365
ip1cnilem1
8373
ip1cnilem2
8374
ip1cnilem3
8375
ip1cnilem4
8376
ip1cnilem5
8377
ip1cnilem6
8378
sspival
8397
ipasslem3
8492
ipasslem4
8493
This theorem was proved from axioms:
ax-1
4
ax-2
5
ax-3
6
ax-mp
7
ax-7
962
ax-gen
963
ax-8
964
ax-10
966
ax-12
968
ax-17
971
ax-4
973
ax-5o
975
ax-6o
978
ax-9o
1123
ax-10o
1140
ax-16
1210
ax-11o
1218
ax-ext
1459
This theorem depends on definitions:
df-bi
147
df-or
224
df-an
225
df-ex
981
df-sb
1172
df-clab
1464
df-cleq
1469
df-clel
1472
df-v
1812
df-un
2050
df-in
2051
df-ss
2053
df-n0
6100
Copyright terms:
Public domain