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Theorem neipcfilu 18318
Description: In an uniform space, a neighboring filter is a Cauchy filter base. (Contributed by Thierry Arnoux, 24-Jan-2018.)
Hypotheses
Ref Expression
neipcfilu.x  |-  X  =  ( Base `  W
)
neipcfilu.j  |-  J  =  ( TopOpen `  W )
neipcfilu.u  |-  U  =  (UnifSt `  W )
Assertion
Ref Expression
neipcfilu  |-  ( ( W  e. UnifSp  /\  W  e. 
TopSp  /\  P  e.  X
)  ->  ( ( nei `  J ) `  { P } )  e.  (CauFilu `  U ) )

Proof of Theorem neipcfilu
Dummy variables  v 
a  w  u are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 simp2 958 . . . . 5  |-  ( ( W  e. UnifSp  /\  W  e. 
TopSp  /\  P  e.  X
)  ->  W  e.  TopSp
)
2 neipcfilu.x . . . . . 6  |-  X  =  ( Base `  W
)
3 neipcfilu.j . . . . . 6  |-  J  =  ( TopOpen `  W )
42, 3istps 16993 . . . . 5  |-  ( W  e.  TopSp 
<->  J  e.  (TopOn `  X ) )
51, 4sylib 189 . . . 4  |-  ( ( W  e. UnifSp  /\  W  e. 
TopSp  /\  P  e.  X
)  ->  J  e.  (TopOn `  X ) )
6 simp3 959 . . . . 5  |-  ( ( W  e. UnifSp  /\  W  e. 
TopSp  /\  P  e.  X
)  ->  P  e.  X )
76snssd 3935 . . . 4  |-  ( ( W  e. UnifSp  /\  W  e. 
TopSp  /\  P  e.  X
)  ->  { P }  C_  X )
8 snnzg 3913 . . . . 5  |-  ( P  e.  X  ->  { P }  =/=  (/) )
96, 8syl 16 . . . 4  |-  ( ( W  e. UnifSp  /\  W  e. 
TopSp  /\  P  e.  X
)  ->  { P }  =/=  (/) )
10 neifil 17904 . . . 4  |-  ( ( J  e.  (TopOn `  X )  /\  { P }  C_  X  /\  { P }  =/=  (/) )  -> 
( ( nei `  J
) `  { P } )  e.  ( Fil `  X ) )
115, 7, 9, 10syl3anc 1184 . . 3  |-  ( ( W  e. UnifSp  /\  W  e. 
TopSp  /\  P  e.  X
)  ->  ( ( nei `  J ) `  { P } )  e.  ( Fil `  X
) )
12 filfbas 17872 . . 3  |-  ( ( ( nei `  J
) `  { P } )  e.  ( Fil `  X )  ->  ( ( nei `  J ) `  { P } )  e.  (
fBas `  X )
)
1311, 12syl 16 . 2  |-  ( ( W  e. UnifSp  /\  W  e. 
TopSp  /\  P  e.  X
)  ->  ( ( nei `  J ) `  { P } )  e.  ( fBas `  X
) )
14 eqid 2435 . . . . . . . . . 10  |-  ( w
" { P }
)  =  ( w
" { P }
)
15 imaeq1 5190 . . . . . . . . . . . 12  |-  ( v  =  w  ->  (
v " { P } )  =  ( w " { P } ) )
1615eqeq2d 2446 . . . . . . . . . . 11  |-  ( v  =  w  ->  (
( w " { P } )  =  ( v " { P } )  <->  ( w " { P } )  =  ( w " { P } ) ) )
1716rspcev 3044 . . . . . . . . . 10  |-  ( ( w  e.  U  /\  ( w " { P } )  =  ( w " { P } ) )  ->  E. v  e.  U  ( w " { P } )  =  ( v " { P } ) )
1814, 17mpan2 653 . . . . . . . . 9  |-  ( w  e.  U  ->  E. v  e.  U  ( w " { P } )  =  ( v " { P } ) )
19 vex 2951 . . . . . . . . . 10  |-  w  e. 
_V
20 imaexg 5209 . . . . . . . . . 10  |-  ( w  e.  _V  ->  (
w " { P } )  e.  _V )
21 eqid 2435 . . . . . . . . . . 11  |-  ( v  e.  U  |->  ( v
" { P }
) )  =  ( v  e.  U  |->  ( v " { P } ) )
2221elrnmpt 5109 . . . . . . . . . 10  |-  ( ( w " { P } )  e.  _V  ->  ( ( w " { P } )  e. 
ran  ( v  e.  U  |->  ( v " { P } ) )  <->  E. v  e.  U  ( w " { P } )  =  ( v " { P } ) ) )
2319, 20, 22mp2b 10 . . . . . . . . 9  |-  ( ( w " { P } )  e.  ran  ( v  e.  U  |->  ( v " { P } ) )  <->  E. v  e.  U  ( w " { P } )  =  ( v " { P } ) )
2418, 23sylibr 204 . . . . . . . 8  |-  ( w  e.  U  ->  (
w " { P } )  e.  ran  ( v  e.  U  |->  ( v " { P } ) ) )
2524ad2antlr 708 . . . . . . 7  |-  ( ( ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U
)  /\  w  e.  U )  /\  (
( w " { P } )  X.  (
w " { P } ) )  C_  v )  ->  (
w " { P } )  e.  ran  ( v  e.  U  |->  ( v " { P } ) ) )
26 neipcfilu.u . . . . . . . . . . . . 13  |-  U  =  (UnifSt `  W )
272, 26, 3isusp 18283 . . . . . . . . . . . 12  |-  ( W  e. UnifSp 
<->  ( U  e.  (UnifOn `  X )  /\  J  =  (unifTop `  U )
) )
2827simplbi 447 . . . . . . . . . . 11  |-  ( W  e. UnifSp  ->  U  e.  (UnifOn `  X ) )
29283ad2ant1 978 . . . . . . . . . 10  |-  ( ( W  e. UnifSp  /\  W  e. 
TopSp  /\  P  e.  X
)  ->  U  e.  (UnifOn `  X ) )
30 eqid 2435 . . . . . . . . . . 11  |-  (unifTop `  U
)  =  (unifTop `  U
)
3130utopsnneip 18270 . . . . . . . . . 10  |-  ( ( U  e.  (UnifOn `  X )  /\  P  e.  X )  ->  (
( nei `  (unifTop `  U ) ) `  { P } )  =  ran  ( v  e.  U  |->  ( v " { P } ) ) )
3229, 6, 31syl2anc 643 . . . . . . . . 9  |-  ( ( W  e. UnifSp  /\  W  e. 
TopSp  /\  P  e.  X
)  ->  ( ( nei `  (unifTop `  U
) ) `  { P } )  =  ran  ( v  e.  U  |->  ( v " { P } ) ) )
3332eleq2d 2502 . . . . . . . 8  |-  ( ( W  e. UnifSp  /\  W  e. 
TopSp  /\  P  e.  X
)  ->  ( (
w " { P } )  e.  ( ( nei `  (unifTop `  U ) ) `  { P } )  <->  ( w " { P } )  e.  ran  ( v  e.  U  |->  ( v
" { P }
) ) ) )
3433ad3antrrr 711 . . . . . . 7  |-  ( ( ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U
)  /\  w  e.  U )  /\  (
( w " { P } )  X.  (
w " { P } ) )  C_  v )  ->  (
( w " { P } )  e.  ( ( nei `  (unifTop `  U ) ) `  { P } )  <->  ( w " { P } )  e.  ran  ( v  e.  U  |->  ( v
" { P }
) ) ) )
3525, 34mpbird 224 . . . . . 6  |-  ( ( ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U
)  /\  w  e.  U )  /\  (
( w " { P } )  X.  (
w " { P } ) )  C_  v )  ->  (
w " { P } )  e.  ( ( nei `  (unifTop `  U ) ) `  { P } ) )
36 simpl1 960 . . . . . . . . . 10  |-  ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  (
v  e.  U  /\  w  e.  U  /\  ( ( w " { P } )  X.  ( w " { P } ) )  C_  v ) )  ->  W  e. UnifSp )
37363anassrs 1175 . . . . . . . . 9  |-  ( ( ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U
)  /\  w  e.  U )  /\  (
( w " { P } )  X.  (
w " { P } ) )  C_  v )  ->  W  e. UnifSp )
3827simprbi 451 . . . . . . . . 9  |-  ( W  e. UnifSp  ->  J  =  (unifTop `  U ) )
3937, 38syl 16 . . . . . . . 8  |-  ( ( ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U
)  /\  w  e.  U )  /\  (
( w " { P } )  X.  (
w " { P } ) )  C_  v )  ->  J  =  (unifTop `  U )
)
4039fveq2d 5724 . . . . . . 7  |-  ( ( ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U
)  /\  w  e.  U )  /\  (
( w " { P } )  X.  (
w " { P } ) )  C_  v )  ->  ( nei `  J )  =  ( nei `  (unifTop `  U ) ) )
4140fveq1d 5722 . . . . . 6  |-  ( ( ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U
)  /\  w  e.  U )  /\  (
( w " { P } )  X.  (
w " { P } ) )  C_  v )  ->  (
( nei `  J
) `  { P } )  =  ( ( nei `  (unifTop `  U ) ) `  { P } ) )
4235, 41eleqtrrd 2512 . . . . 5  |-  ( ( ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U
)  /\  w  e.  U )  /\  (
( w " { P } )  X.  (
w " { P } ) )  C_  v )  ->  (
w " { P } )  e.  ( ( nei `  J
) `  { P } ) )
43 simpr 448 . . . . 5  |-  ( ( ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U
)  /\  w  e.  U )  /\  (
( w " { P } )  X.  (
w " { P } ) )  C_  v )  ->  (
( w " { P } )  X.  (
w " { P } ) )  C_  v )
44 id 20 . . . . . . . 8  |-  ( a  =  ( w " { P } )  -> 
a  =  ( w
" { P }
) )
4544, 44xpeq12d 4895 . . . . . . 7  |-  ( a  =  ( w " { P } )  -> 
( a  X.  a
)  =  ( ( w " { P } )  X.  (
w " { P } ) ) )
4645sseq1d 3367 . . . . . 6  |-  ( a  =  ( w " { P } )  -> 
( ( a  X.  a )  C_  v  <->  ( ( w " { P } )  X.  (
w " { P } ) )  C_  v ) )
4746rspcev 3044 . . . . 5  |-  ( ( ( w " { P } )  e.  ( ( nei `  J
) `  { P } )  /\  (
( w " { P } )  X.  (
w " { P } ) )  C_  v )  ->  E. a  e.  ( ( nei `  J
) `  { P } ) ( a  X.  a )  C_  v )
4842, 43, 47syl2anc 643 . . . 4  |-  ( ( ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U
)  /\  w  e.  U )  /\  (
( w " { P } )  X.  (
w " { P } ) )  C_  v )  ->  E. a  e.  ( ( nei `  J
) `  { P } ) ( a  X.  a )  C_  v )
4929adantr 452 . . . . 5  |-  ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U )  ->  U  e.  (UnifOn `  X )
)
506adantr 452 . . . . 5  |-  ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U )  ->  P  e.  X )
51 simpr 448 . . . . 5  |-  ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U )  ->  v  e.  U )
52 simpll1 996 . . . . . . . 8  |-  ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U
)  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  ->  U  e.  (UnifOn `  X
) )
53 simplr 732 . . . . . . . 8  |-  ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U
)  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  ->  u  e.  U )
54 ustexsym 18237 . . . . . . . 8  |-  ( ( U  e.  (UnifOn `  X )  /\  u  e.  U )  ->  E. w  e.  U  ( `' w  =  w  /\  w  C_  u ) )
5552, 53, 54syl2anc 643 . . . . . . 7  |-  ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U
)  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  ->  E. w  e.  U  ( `' w  =  w  /\  w  C_  u ) )
5652ad2antrr 707 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U )  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  /\  w  e.  U )  /\  ( `' w  =  w  /\  w  C_  u ) )  ->  U  e.  (UnifOn `  X
) )
57 simplr 732 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U )  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  /\  w  e.  U )  /\  ( `' w  =  w  /\  w  C_  u ) )  ->  w  e.  U )
58 ustssxp 18226 . . . . . . . . . . . 12  |-  ( ( U  e.  (UnifOn `  X )  /\  w  e.  U )  ->  w  C_  ( X  X.  X
) )
5956, 57, 58syl2anc 643 . . . . . . . . . . 11  |-  ( ( ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U )  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  /\  w  e.  U )  /\  ( `' w  =  w  /\  w  C_  u ) )  ->  w  C_  ( X  X.  X ) )
60 simpll2 997 . . . . . . . . . . . 12  |-  ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U
)  /\  u  e.  U )  /\  (
( u  o.  u
)  C_  v  /\  w  e.  U  /\  ( `' w  =  w  /\  w  C_  u ) ) )  ->  P  e.  X )
61603anassrs 1175 . . . . . . . . . . 11  |-  ( ( ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U )  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  /\  w  e.  U )  /\  ( `' w  =  w  /\  w  C_  u ) )  ->  P  e.  X )
62 ustneism 18245 . . . . . . . . . . 11  |-  ( ( w  C_  ( X  X.  X )  /\  P  e.  X )  ->  (
( w " { P } )  X.  (
w " { P } ) )  C_  ( w  o.  `' w ) )
6359, 61, 62syl2anc 643 . . . . . . . . . 10  |-  ( ( ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U )  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  /\  w  e.  U )  /\  ( `' w  =  w  /\  w  C_  u ) )  -> 
( ( w " { P } )  X.  ( w " { P } ) )  C_  ( w  o.  `' w ) )
64 simprl 733 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U )  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  /\  w  e.  U )  /\  ( `' w  =  w  /\  w  C_  u ) )  ->  `' w  =  w
)
6564coeq2d 5027 . . . . . . . . . . 11  |-  ( ( ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U )  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  /\  w  e.  U )  /\  ( `' w  =  w  /\  w  C_  u ) )  -> 
( w  o.  `' w )  =  ( w  o.  w ) )
66 coss1 5020 . . . . . . . . . . . . . 14  |-  ( w 
C_  u  ->  (
w  o.  w ) 
C_  ( u  o.  w ) )
67 coss2 5021 . . . . . . . . . . . . . 14  |-  ( w 
C_  u  ->  (
u  o.  w ) 
C_  ( u  o.  u ) )
6866, 67sstrd 3350 . . . . . . . . . . . . 13  |-  ( w 
C_  u  ->  (
w  o.  w ) 
C_  ( u  o.  u ) )
6968ad2antll 710 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U )  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  /\  w  e.  U )  /\  ( `' w  =  w  /\  w  C_  u ) )  -> 
( w  o.  w
)  C_  ( u  o.  u ) )
70 simpllr 736 . . . . . . . . . . . 12  |-  ( ( ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U )  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  /\  w  e.  U )  /\  ( `' w  =  w  /\  w  C_  u ) )  -> 
( u  o.  u
)  C_  v )
7169, 70sstrd 3350 . . . . . . . . . . 11  |-  ( ( ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U )  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  /\  w  e.  U )  /\  ( `' w  =  w  /\  w  C_  u ) )  -> 
( w  o.  w
)  C_  v )
7265, 71eqsstrd 3374 . . . . . . . . . 10  |-  ( ( ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U )  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  /\  w  e.  U )  /\  ( `' w  =  w  /\  w  C_  u ) )  -> 
( w  o.  `' w )  C_  v
)
7363, 72sstrd 3350 . . . . . . . . 9  |-  ( ( ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U )  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  /\  w  e.  U )  /\  ( `' w  =  w  /\  w  C_  u ) )  -> 
( ( w " { P } )  X.  ( w " { P } ) )  C_  v )
7473ex 424 . . . . . . . 8  |-  ( ( ( ( ( U  e.  (UnifOn `  X
)  /\  P  e.  X  /\  v  e.  U
)  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  /\  w  e.  U )  ->  ( ( `' w  =  w  /\  w  C_  u )  ->  (
( w " { P } )  X.  (
w " { P } ) )  C_  v ) )
7574reximdva 2810 . . . . . . 7  |-  ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U
)  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  -> 
( E. w  e.  U  ( `' w  =  w  /\  w  C_  u )  ->  E. w  e.  U  ( (
w " { P } )  X.  (
w " { P } ) )  C_  v ) )
7655, 75mpd 15 . . . . . 6  |-  ( ( ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U
)  /\  u  e.  U )  /\  (
u  o.  u ) 
C_  v )  ->  E. w  e.  U  ( ( w " { P } )  X.  ( w " { P } ) )  C_  v )
77 ustexhalf 18232 . . . . . . 7  |-  ( ( U  e.  (UnifOn `  X )  /\  v  e.  U )  ->  E. u  e.  U  ( u  o.  u )  C_  v
)
78773adant2 976 . . . . . 6  |-  ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U )  ->  E. u  e.  U  ( u  o.  u )  C_  v
)
7976, 78r19.29a 2842 . . . . 5  |-  ( ( U  e.  (UnifOn `  X )  /\  P  e.  X  /\  v  e.  U )  ->  E. w  e.  U  ( (
w " { P } )  X.  (
w " { P } ) )  C_  v )
8049, 50, 51, 79syl3anc 1184 . . . 4  |-  ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U )  ->  E. w  e.  U  ( (
w " { P } )  X.  (
w " { P } ) )  C_  v )
8148, 80r19.29a 2842 . . 3  |-  ( ( ( W  e. UnifSp  /\  W  e.  TopSp  /\  P  e.  X )  /\  v  e.  U )  ->  E. a  e.  ( ( nei `  J
) `  { P } ) ( a  X.  a )  C_  v )
8281ralrimiva 2781 . 2  |-  ( ( W  e. UnifSp  /\  W  e. 
TopSp  /\  P  e.  X
)  ->  A. v  e.  U  E. a  e.  ( ( nei `  J
) `  { P } ) ( a  X.  a )  C_  v )
83 iscfilu 18310 . . 3  |-  ( U  e.  (UnifOn `  X
)  ->  ( (
( nei `  J
) `  { P } )  e.  (CauFilu `  U )  <->  ( (
( nei `  J
) `  { P } )  e.  (
fBas `  X )  /\  A. v  e.  U  E. a  e.  (
( nei `  J
) `  { P } ) ( a  X.  a )  C_  v ) ) )
8429, 83syl 16 . 2  |-  ( ( W  e. UnifSp  /\  W  e. 
TopSp  /\  P  e.  X
)  ->  ( (
( nei `  J
) `  { P } )  e.  (CauFilu `  U )  <->  ( (
( nei `  J
) `  { P } )  e.  (
fBas `  X )  /\  A. v  e.  U  E. a  e.  (
( nei `  J
) `  { P } ) ( a  X.  a )  C_  v ) ) )
8513, 82, 84mpbir2and 889 1  |-  ( ( W  e. UnifSp  /\  W  e. 
TopSp  /\  P  e.  X
)  ->  ( ( nei `  J ) `  { P } )  e.  (CauFilu `  U ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    <-> wb 177    /\ wa 359    /\ w3a 936    = wceq 1652    e. wcel 1725    =/= wne 2598   A.wral 2697   E.wrex 2698   _Vcvv 2948    C_ wss 3312   (/)c0 3620   {csn 3806    e. cmpt 4258    X. cxp 4868   `'ccnv 4869   ran crn 4871   "cima 4873    o. ccom 4874   ` cfv 5446   Basecbs 13461   TopOpenctopn 13641   fBascfbas 16681  TopOnctopon 16951   TopSpctps 16953   neicnei 17153   Filcfil 17869  UnifOncust 18221  unifTopcutop 18252  UnifStcuss 18275  UnifSpcusp 18276  CauFiluccfilu 18308
This theorem is referenced by:  ucnextcn  18326
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1555  ax-5 1566  ax-17 1626  ax-9 1666  ax-8 1687  ax-13 1727  ax-14 1729  ax-6 1744  ax-7 1749  ax-11 1761  ax-12 1950  ax-ext 2416  ax-rep 4312  ax-sep 4322  ax-nul 4330  ax-pow 4369  ax-pr 4395  ax-un 4693
This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3or 937  df-3an 938  df-tru 1328  df-ex 1551  df-nf 1554  df-sb 1659  df-eu 2284  df-mo 2285  df-clab 2422  df-cleq 2428  df-clel 2431  df-nfc 2560  df-ne 2600  df-nel 2601  df-ral 2702  df-rex 2703  df-reu 2704  df-rab 2706  df-v 2950  df-sbc 3154  df-csb 3244  df-dif 3315  df-un 3317  df-in 3319  df-ss 3326  df-pss 3328  df-nul 3621  df-if 3732  df-pw 3793  df-sn 3812  df-pr 3813  df-tp 3814  df-op 3815  df-uni 4008  df-int 4043  df-iun 4087  df-br 4205  df-opab 4259  df-mpt 4260  df-tr 4295  df-eprel 4486  df-id 4490  df-po 4495  df-so 4496  df-fr 4533  df-we 4535  df-ord 4576  df-on 4577  df-lim 4578  df-suc 4579  df-om 4838  df-xp 4876  df-rel 4877  df-cnv 4878  df-co 4879  df-dm 4880  df-rn 4881  df-res 4882  df-ima 4883  df-iota 5410  df-fun 5448  df-fn 5449  df-f 5450  df-f1 5451  df-fo 5452  df-f1o 5453  df-fv 5454  df-ov 6076  df-oprab 6077  df-mpt2 6078  df-recs 6625  df-rdg 6660  df-1o 6716  df-oadd 6720  df-er 6897  df-en 7102  df-fin 7105  df-fi 7408  df-fbas 16691  df-top 16955  df-topon 16958  df-topsp 16959  df-nei 17154  df-fil 17870  df-ust 18222  df-utop 18253  df-usp 18279  df-cfilu 18309
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