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Theorem stoweidlem62 38035
Description: This theorem proves the Stone Weierstrass theorem for the non-trivial case in which T is nonempty. The proof follows [BrosowskiDeutsh] p. 89 (through page 92). (Contributed by Glauco Siliprandi, 20-Apr-2017.) (Revised by AV, 13-Sep-2020.)
Hypotheses
Ref Expression
stoweidlem62.1  |-  F/_ t F
stoweidlem62.2  |-  F/ f
ph
stoweidlem62.3  |-  F/ t
ph
stoweidlem62.4  |-  H  =  ( t  e.  T  |->  ( ( F `  t )  - inf ( ran  F ,  RR ,  <  ) ) )
stoweidlem62.5  |-  K  =  ( topGen `  ran  (,) )
stoweidlem62.6  |-  T  = 
U. J
stoweidlem62.7  |-  ( ph  ->  J  e.  Comp )
stoweidlem62.8  |-  C  =  ( J  Cn  K
)
stoweidlem62.9  |-  ( ph  ->  A  C_  C )
stoweidlem62.10  |-  ( (
ph  /\  f  e.  A  /\  g  e.  A
)  ->  ( t  e.  T  |->  ( ( f `  t )  +  ( g `  t ) ) )  e.  A )
stoweidlem62.11  |-  ( (
ph  /\  f  e.  A  /\  g  e.  A
)  ->  ( t  e.  T  |->  ( ( f `  t )  x.  ( g `  t ) ) )  e.  A )
stoweidlem62.12  |-  ( (
ph  /\  x  e.  RR )  ->  ( t  e.  T  |->  x )  e.  A )
stoweidlem62.13  |-  ( (
ph  /\  ( r  e.  T  /\  t  e.  T  /\  r  =/=  t ) )  ->  E. q  e.  A  ( q `  r
)  =/=  ( q `
 t ) )
stoweidlem62.14  |-  ( ph  ->  F  e.  C )
stoweidlem62.15  |-  ( ph  ->  E  e.  RR+ )
stoweidlem62.16  |-  ( ph  ->  T  =/=  (/) )
stoweidlem62.17  |-  ( ph  ->  E  <  ( 1  /  3 ) )
Assertion
Ref Expression
stoweidlem62  |-  ( ph  ->  E. f  e.  A  A. t  e.  T  ( abs `  ( ( f `  t )  -  ( F `  t ) ) )  <  E )
Distinct variable groups:    f, g,
t, A    f, q,
r, x, t, A   
f, E, g, t   
f, F, g    f, H, g    f, J, r, t    T, f, g, t    ph, f, g    E, q, r, x    H, q, r, x    T, q, r, x    ph, q,
r, x    t, K    x, F
Allowed substitution hints:    ph( t)    C( x, t, f, g, r, q)    F( t, r, q)    H( t)    J( x, g, q)    K( x, f, g, r, q)

Proof of Theorem stoweidlem62
Dummy variable  h is distinct from all other variables.
StepHypRef Expression
1 stoweidlem62.4 . . . . 5  |-  H  =  ( t  e.  T  |->  ( ( F `  t )  - inf ( ran  F ,  RR ,  <  ) ) )
2 nfmpt1 4485 . . . . 5  |-  F/_ t
( t  e.  T  |->  ( ( F `  t )  - inf ( ran  F ,  RR ,  <  ) ) )
31, 2nfcxfr 2610 . . . 4  |-  F/_ t H
4 stoweidlem62.3 . . . 4  |-  F/ t
ph
5 stoweidlem62.5 . . . 4  |-  K  =  ( topGen `  ran  (,) )
6 stoweidlem62.7 . . . 4  |-  ( ph  ->  J  e.  Comp )
7 stoweidlem62.6 . . . 4  |-  T  = 
U. J
8 stoweidlem62.16 . . . 4  |-  ( ph  ->  T  =/=  (/) )
9 stoweidlem62.8 . . . 4  |-  C  =  ( J  Cn  K
)
10 stoweidlem62.9 . . . 4  |-  ( ph  ->  A  C_  C )
11 eleq1 2537 . . . . . . 7  |-  ( g  =  h  ->  (
g  e.  A  <->  h  e.  A ) )
12113anbi3d 1371 . . . . . 6  |-  ( g  =  h  ->  (
( ph  /\  f  e.  A  /\  g  e.  A )  <->  ( ph  /\  f  e.  A  /\  h  e.  A )
) )
13 fveq1 5878 . . . . . . . . 9  |-  ( g  =  h  ->  (
g `  t )  =  ( h `  t ) )
1413oveq2d 6324 . . . . . . . 8  |-  ( g  =  h  ->  (
( f `  t
)  +  ( g `
 t ) )  =  ( ( f `
 t )  +  ( h `  t
) ) )
1514mpteq2dv 4483 . . . . . . 7  |-  ( g  =  h  ->  (
t  e.  T  |->  ( ( f `  t
)  +  ( g `
 t ) ) )  =  ( t  e.  T  |->  ( ( f `  t )  +  ( h `  t ) ) ) )
1615eleq1d 2533 . . . . . 6  |-  ( g  =  h  ->  (
( t  e.  T  |->  ( ( f `  t )  +  ( g `  t ) ) )  e.  A  <->  ( t  e.  T  |->  ( ( f `  t
)  +  ( h `
 t ) ) )  e.  A ) )
1712, 16imbi12d 327 . . . . 5  |-  ( g  =  h  ->  (
( ( ph  /\  f  e.  A  /\  g  e.  A )  ->  ( t  e.  T  |->  ( ( f `  t )  +  ( g `  t ) ) )  e.  A
)  <->  ( ( ph  /\  f  e.  A  /\  h  e.  A )  ->  ( t  e.  T  |->  ( ( f `  t )  +  ( h `  t ) ) )  e.  A
) ) )
18 stoweidlem62.10 . . . . 5  |-  ( (
ph  /\  f  e.  A  /\  g  e.  A
)  ->  ( t  e.  T  |->  ( ( f `  t )  +  ( g `  t ) ) )  e.  A )
1917, 18chvarv 2120 . . . 4  |-  ( (
ph  /\  f  e.  A  /\  h  e.  A
)  ->  ( t  e.  T  |->  ( ( f `  t )  +  ( h `  t ) ) )  e.  A )
2013oveq2d 6324 . . . . . . . 8  |-  ( g  =  h  ->  (
( f `  t
)  x.  ( g `
 t ) )  =  ( ( f `
 t )  x.  ( h `  t
) ) )
2120mpteq2dv 4483 . . . . . . 7  |-  ( g  =  h  ->  (
t  e.  T  |->  ( ( f `  t
)  x.  ( g `
 t ) ) )  =  ( t  e.  T  |->  ( ( f `  t )  x.  ( h `  t ) ) ) )
2221eleq1d 2533 . . . . . 6  |-  ( g  =  h  ->  (
( t  e.  T  |->  ( ( f `  t )  x.  (
g `  t )
) )  e.  A  <->  ( t  e.  T  |->  ( ( f `  t
)  x.  ( h `
 t ) ) )  e.  A ) )
2312, 22imbi12d 327 . . . . 5  |-  ( g  =  h  ->  (
( ( ph  /\  f  e.  A  /\  g  e.  A )  ->  ( t  e.  T  |->  ( ( f `  t )  x.  (
g `  t )
) )  e.  A
)  <->  ( ( ph  /\  f  e.  A  /\  h  e.  A )  ->  ( t  e.  T  |->  ( ( f `  t )  x.  (
h `  t )
) )  e.  A
) ) )
24 stoweidlem62.11 . . . . 5  |-  ( (
ph  /\  f  e.  A  /\  g  e.  A
)  ->  ( t  e.  T  |->  ( ( f `  t )  x.  ( g `  t ) ) )  e.  A )
2523, 24chvarv 2120 . . . 4  |-  ( (
ph  /\  f  e.  A  /\  h  e.  A
)  ->  ( t  e.  T  |->  ( ( f `  t )  x.  ( h `  t ) ) )  e.  A )
26 stoweidlem62.12 . . . 4  |-  ( (
ph  /\  x  e.  RR )  ->  ( t  e.  T  |->  x )  e.  A )
27 stoweidlem62.13 . . . 4  |-  ( (
ph  /\  ( r  e.  T  /\  t  e.  T  /\  r  =/=  t ) )  ->  E. q  e.  A  ( q `  r
)  =/=  ( q `
 t ) )
28 stoweidlem62.1 . . . . . 6  |-  F/_ t F
2928nfrn 5083 . . . . . . 7  |-  F/_ t ran  F
30 nfcv 2612 . . . . . . 7  |-  F/_ t RR
31 nfcv 2612 . . . . . . 7  |-  F/_ t  <
3229, 30, 31nfinf 8016 . . . . . 6  |-  F/_ tinf ( ran  F ,  RR ,  <  )
33 eqid 2471 . . . . . 6  |-  ( T  X.  { -uinf ( ran 
F ,  RR ,  <  ) } )  =  ( T  X.  { -uinf ( ran  F ,  RR ,  <  ) } )
34 cmptop 20487 . . . . . . 7  |-  ( J  e.  Comp  ->  J  e. 
Top )
356, 34syl 17 . . . . . 6  |-  ( ph  ->  J  e.  Top )
36 stoweidlem62.14 . . . . . 6  |-  ( ph  ->  F  e.  C )
3736, 9syl6eleq 2559 . . . . . . . 8  |-  ( ph  ->  F  e.  ( J  Cn  K ) )
3828, 4, 7, 5, 6, 37, 8stoweidlem29 38001 . . . . . . 7  |-  ( ph  ->  (inf ( ran  F ,  RR ,  <  )  e.  ran  F  /\ inf ( ran  F ,  RR ,  <  )  e.  RR  /\  A. t  e.  T inf ( ran  F ,  RR ,  <  )  <_  ( F `  t ) ) )
3938simp2d 1043 . . . . . 6  |-  ( ph  -> inf ( ran  F ,  RR ,  <  )  e.  RR )
4028, 32, 4, 7, 33, 5, 35, 9, 36, 39stoweidlem47 38020 . . . . 5  |-  ( ph  ->  ( t  e.  T  |->  ( ( F `  t )  - inf ( ran  F ,  RR ,  <  ) ) )  e.  C )
411, 40syl5eqel 2553 . . . 4  |-  ( ph  ->  H  e.  C )
4238simp3d 1044 . . . . . . . . 9  |-  ( ph  ->  A. t  e.  T inf ( ran  F ,  RR ,  <  )  <_  ( F `  t )
)
4342r19.21bi 2776 . . . . . . . 8  |-  ( (
ph  /\  t  e.  T )  -> inf ( ran 
F ,  RR ,  <  )  <_  ( F `  t ) )
445, 7, 9, 36fcnre 37409 . . . . . . . . . 10  |-  ( ph  ->  F : T --> RR )
4544fnvinran 37398 . . . . . . . . 9  |-  ( (
ph  /\  t  e.  T )  ->  ( F `  t )  e.  RR )
4639adantr 472 . . . . . . . . 9  |-  ( (
ph  /\  t  e.  T )  -> inf ( ran 
F ,  RR ,  <  )  e.  RR )
4745, 46subge0d 10224 . . . . . . . 8  |-  ( (
ph  /\  t  e.  T )  ->  (
0  <_  ( ( F `  t )  - inf ( ran  F ,  RR ,  <  ) )  <-> inf ( ran  F ,  RR ,  <  )  <_  ( F `  t )
) )
4843, 47mpbird 240 . . . . . . 7  |-  ( (
ph  /\  t  e.  T )  ->  0  <_  ( ( F `  t )  - inf ( ran  F ,  RR ,  <  ) ) )
49 simpr 468 . . . . . . . 8  |-  ( (
ph  /\  t  e.  T )  ->  t  e.  T )
5045, 46resubcld 10068 . . . . . . . 8  |-  ( (
ph  /\  t  e.  T )  ->  (
( F `  t
)  - inf ( ran  F ,  RR ,  <  ) )  e.  RR )
511fvmpt2 5972 . . . . . . . 8  |-  ( ( t  e.  T  /\  ( ( F `  t )  - inf ( ran  F ,  RR ,  <  ) )  e.  RR )  ->  ( H `  t )  =  ( ( F `  t
)  - inf ( ran  F ,  RR ,  <  ) ) )
5249, 50, 51syl2anc 673 . . . . . . 7  |-  ( (
ph  /\  t  e.  T )  ->  ( H `  t )  =  ( ( F `
 t )  - inf ( ran  F ,  RR ,  <  ) ) )
5348, 52breqtrrd 4422 . . . . . 6  |-  ( (
ph  /\  t  e.  T )  ->  0  <_  ( H `  t
) )
5453ex 441 . . . . 5  |-  ( ph  ->  ( t  e.  T  ->  0  <_  ( H `  t ) ) )
554, 54ralrimi 2800 . . . 4  |-  ( ph  ->  A. t  e.  T 
0  <_  ( H `  t ) )
56 stoweidlem62.15 . . . . 5  |-  ( ph  ->  E  e.  RR+ )
5756rphalfcld 11376 . . . 4  |-  ( ph  ->  ( E  /  2
)  e.  RR+ )
5856rpred 11364 . . . . . 6  |-  ( ph  ->  E  e.  RR )
5958rehalfcld 10882 . . . . 5  |-  ( ph  ->  ( E  /  2
)  e.  RR )
60 3re 10705 . . . . . . 7  |-  3  e.  RR
61 3ne0 10726 . . . . . . 7  |-  3  =/=  0
6260, 61rereccli 10394 . . . . . 6  |-  ( 1  /  3 )  e.  RR
6362a1i 11 . . . . 5  |-  ( ph  ->  ( 1  /  3
)  e.  RR )
64 rphalflt 11352 . . . . . 6  |-  ( E  e.  RR+  ->  ( E  /  2 )  < 
E )
6556, 64syl 17 . . . . 5  |-  ( ph  ->  ( E  /  2
)  <  E )
66 stoweidlem62.17 . . . . 5  |-  ( ph  ->  E  <  ( 1  /  3 ) )
6759, 58, 63, 65, 66lttrd 9813 . . . 4  |-  ( ph  ->  ( E  /  2
)  <  ( 1  /  3 ) )
683, 4, 5, 6, 7, 8, 9, 10, 19, 25, 26, 27, 41, 55, 57, 67stoweidlem61 38034 . . 3  |-  ( ph  ->  E. h  e.  A  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  ( 2  x.  ( E  /  2
) ) )
69 nfra1 2785 . . . . . . 7  |-  F/ t A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  ( 2  x.  ( E  /  2
) )
704, 69nfan 2031 . . . . . 6  |-  F/ t ( ph  /\  A. t  e.  T  ( abs `  ( ( h `
 t )  -  ( H `  t ) ) )  <  (
2  x.  ( E  /  2 ) ) )
71 rsp 2773 . . . . . . 7  |-  ( A. t  e.  T  ( abs `  ( ( h `
 t )  -  ( H `  t ) ) )  <  (
2  x.  ( E  /  2 ) )  ->  ( t  e.  T  ->  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  (
2  x.  ( E  /  2 ) ) ) )
7256rpcnd 11366 . . . . . . . . . 10  |-  ( ph  ->  E  e.  CC )
73 2cnd 10704 . . . . . . . . . 10  |-  ( ph  ->  2  e.  CC )
74 2ne0 10724 . . . . . . . . . . 11  |-  2  =/=  0
7574a1i 11 . . . . . . . . . 10  |-  ( ph  ->  2  =/=  0 )
7672, 73, 75divcan2d 10407 . . . . . . . . 9  |-  ( ph  ->  ( 2  x.  ( E  /  2 ) )  =  E )
7776breq2d 4407 . . . . . . . 8  |-  ( ph  ->  ( ( abs `  (
( h `  t
)  -  ( H `
 t ) ) )  <  ( 2  x.  ( E  / 
2 ) )  <->  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  E
) )
7877biimpd 212 . . . . . . 7  |-  ( ph  ->  ( ( abs `  (
( h `  t
)  -  ( H `
 t ) ) )  <  ( 2  x.  ( E  / 
2 ) )  -> 
( abs `  (
( h `  t
)  -  ( H `
 t ) ) )  <  E ) )
7971, 78sylan9r 670 . . . . . 6  |-  ( (
ph  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  (
2  x.  ( E  /  2 ) ) )  ->  ( t  e.  T  ->  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  E
) )
8070, 79ralrimi 2800 . . . . 5  |-  ( (
ph  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  (
2  x.  ( E  /  2 ) ) )  ->  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  E
)
8180ex 441 . . . 4  |-  ( ph  ->  ( A. t  e.  T  ( abs `  (
( h `  t
)  -  ( H `
 t ) ) )  <  ( 2  x.  ( E  / 
2 ) )  ->  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  E ) )
8281reximdv 2857 . . 3  |-  ( ph  ->  ( E. h  e.  A  A. t  e.  T  ( abs `  (
( h `  t
)  -  ( H `
 t ) ) )  <  ( 2  x.  ( E  / 
2 ) )  ->  E. h  e.  A  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  E ) )
8368, 82mpd 15 . 2  |-  ( ph  ->  E. h  e.  A  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  E )
84 nfmpt1 4485 . . 3  |-  F/_ t
( t  e.  T  |->  ( ( h `  t )  + inf ( ran  F ,  RR ,  <  ) ) )
85 nfcv 2612 . . 3  |-  F/_ t
h
86 nfv 1769 . . . . 5  |-  F/ t  h  e.  A
87 nfra1 2785 . . . . 5  |-  F/ t A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  E
8886, 87nfan 2031 . . . 4  |-  F/ t ( h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  E )
894, 88nfan 2031 . . 3  |-  F/ t ( ph  /\  (
h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  E ) )
90 eqid 2471 . . 3  |-  ( t  e.  T  |->  ( ( h `  t )  + inf ( ran  F ,  RR ,  <  )
) )  =  ( t  e.  T  |->  ( ( h `  t
)  + inf ( ran  F ,  RR ,  <  ) ) )
9144adantr 472 . . 3  |-  ( (
ph  /\  ( h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  E
) )  ->  F : T --> RR )
9239adantr 472 . . 3  |-  ( (
ph  /\  ( h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  E
) )  -> inf ( ran 
F ,  RR ,  <  )  e.  RR )
93183adant1r 1285 . . 3  |-  ( ( ( ph  /\  (
h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  E ) )  /\  f  e.  A  /\  g  e.  A
)  ->  ( t  e.  T  |->  ( ( f `  t )  +  ( g `  t ) ) )  e.  A )
9426adantlr 729 . . 3  |-  ( ( ( ph  /\  (
h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  E ) )  /\  x  e.  RR )  ->  ( t  e.  T  |->  x )  e.  A )
95 stoweidlem62.2 . . . . 5  |-  F/ f
ph
9610sseld 3417 . . . . . . . 8  |-  ( ph  ->  ( f  e.  A  ->  f  e.  C ) )
979eleq2i 2541 . . . . . . . 8  |-  ( f  e.  C  <->  f  e.  ( J  Cn  K
) )
9896, 97syl6ib 234 . . . . . . 7  |-  ( ph  ->  ( f  e.  A  ->  f  e.  ( J  Cn  K ) ) )
99 eqid 2471 . . . . . . . 8  |-  U. J  =  U. J
100 uniretop 21861 . . . . . . . . 9  |-  RR  =  U. ( topGen `  ran  (,) )
1015unieqi 4199 . . . . . . . . 9  |-  U. K  =  U. ( topGen `  ran  (,) )
102100, 101eqtr4i 2496 . . . . . . . 8  |-  RR  =  U. K
10399, 102cnf 20339 . . . . . . 7  |-  ( f  e.  ( J  Cn  K )  ->  f : U. J --> RR )
10498, 103syl6 33 . . . . . 6  |-  ( ph  ->  ( f  e.  A  ->  f : U. J --> RR ) )
105 feq2 5721 . . . . . . 7  |-  ( T  =  U. J  -> 
( f : T --> RR 
<->  f : U. J --> RR ) )
1067, 105mp1i 13 . . . . . 6  |-  ( ph  ->  ( f : T --> RR 
<->  f : U. J --> RR ) )
107104, 106sylibrd 242 . . . . 5  |-  ( ph  ->  ( f  e.  A  ->  f : T --> RR ) )
10895, 107ralrimi 2800 . . . 4  |-  ( ph  ->  A. f  e.  A  f : T --> RR )
109108adantr 472 . . 3  |-  ( (
ph  /\  ( h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  E
) )  ->  A. f  e.  A  f : T
--> RR )
110 simprl 772 . . 3  |-  ( (
ph  /\  ( h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  E
) )  ->  h  e.  A )
11152eqcomd 2477 . . . . . . . . 9  |-  ( (
ph  /\  t  e.  T )  ->  (
( F `  t
)  - inf ( ran  F ,  RR ,  <  ) )  =  ( H `
 t ) )
112111oveq2d 6324 . . . . . . . 8  |-  ( (
ph  /\  t  e.  T )  ->  (
( h `  t
)  -  ( ( F `  t )  - inf ( ran  F ,  RR ,  <  )
) )  =  ( ( h `  t
)  -  ( H `
 t ) ) )
113112fveq2d 5883 . . . . . . 7  |-  ( (
ph  /\  t  e.  T )  ->  ( abs `  ( ( h `
 t )  -  ( ( F `  t )  - inf ( ran  F ,  RR ,  <  ) ) ) )  =  ( abs `  (
( h `  t
)  -  ( H `
 t ) ) ) )
114113adantlr 729 . . . . . 6  |-  ( ( ( ph  /\  (
h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  E ) )  /\  t  e.  T
)  ->  ( abs `  ( ( h `  t )  -  (
( F `  t
)  - inf ( ran  F ,  RR ,  <  ) ) ) )  =  ( abs `  (
( h `  t
)  -  ( H `
 t ) ) ) )
115 simplrr 779 . . . . . . 7  |-  ( ( ( ph  /\  (
h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  E ) )  /\  t  e.  T
)  ->  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  E
)
116 rspa 2774 . . . . . . 7  |-  ( ( A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  E  /\  t  e.  T )  ->  ( abs `  ( ( h `
 t )  -  ( H `  t ) ) )  <  E
)
117115, 116sylancom 680 . . . . . 6  |-  ( ( ( ph  /\  (
h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  E ) )  /\  t  e.  T
)  ->  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  E
)
118114, 117eqbrtrd 4416 . . . . 5  |-  ( ( ( ph  /\  (
h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t ) ) )  <  E ) )  /\  t  e.  T
)  ->  ( abs `  ( ( h `  t )  -  (
( F `  t
)  - inf ( ran  F ,  RR ,  <  ) ) ) )  < 
E )
119118ex 441 . . . 4  |-  ( (
ph  /\  ( h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  E
) )  ->  (
t  e.  T  -> 
( abs `  (
( h `  t
)  -  ( ( F `  t )  - inf ( ran  F ,  RR ,  <  )
) ) )  < 
E ) )
12089, 119ralrimi 2800 . . 3  |-  ( (
ph  /\  ( h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  E
) )  ->  A. t  e.  T  ( abs `  ( ( h `  t )  -  (
( F `  t
)  - inf ( ran  F ,  RR ,  <  ) ) ) )  < 
E )
12184, 85, 32, 89, 90, 91, 92, 93, 94, 109, 110, 120stoweidlem21 37993 . 2  |-  ( (
ph  /\  ( h  e.  A  /\  A. t  e.  T  ( abs `  ( ( h `  t )  -  ( H `  t )
) )  <  E
) )  ->  E. f  e.  A  A. t  e.  T  ( abs `  ( ( f `  t )  -  ( F `  t )
) )  <  E
)
12283, 121rexlimddv 2875 1  |-  ( ph  ->  E. f  e.  A  A. t  e.  T  ( abs `  ( ( f `  t )  -  ( F `  t ) ) )  <  E )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    <-> wb 189    /\ wa 376    /\ w3a 1007    = wceq 1452   F/wnf 1675    e. wcel 1904   F/_wnfc 2599    =/= wne 2641   A.wral 2756   E.wrex 2757    C_ wss 3390   (/)c0 3722   {csn 3959   U.cuni 4190   class class class wbr 4395    |-> cmpt 4454    X. cxp 4837   ran crn 4840   -->wf 5585   ` cfv 5589  (class class class)co 6308  infcinf 7973   RRcr 9556   0cc0 9557   1c1 9558    + caddc 9560    x. cmul 9562    < clt 9693    <_ cle 9694    - cmin 9880   -ucneg 9881    / cdiv 10291   2c2 10681   3c3 10682   RR+crp 11325   (,)cioo 11660   abscabs 13374   topGenctg 15414   Topctop 19994    Cn ccn 20317   Compccmp 20478
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1677  ax-4 1690  ax-5 1766  ax-6 1813  ax-7 1859  ax-8 1906  ax-9 1913  ax-10 1932  ax-11 1937  ax-12 1950  ax-13 2104  ax-ext 2451  ax-rep 4508  ax-sep 4518  ax-nul 4527  ax-pow 4579  ax-pr 4639  ax-un 6602  ax-inf2 8164  ax-cnex 9613  ax-resscn 9614  ax-1cn 9615  ax-icn 9616  ax-addcl 9617  ax-addrcl 9618  ax-mulcl 9619  ax-mulrcl 9620  ax-mulcom 9621  ax-addass 9622  ax-mulass 9623  ax-distr 9624  ax-i2m1 9625  ax-1ne0 9626  ax-1rid 9627  ax-rnegex 9628  ax-rrecex 9629  ax-cnre 9630  ax-pre-lttri 9631  ax-pre-lttrn 9632  ax-pre-ltadd 9633  ax-pre-mulgt0 9634  ax-pre-sup 9635  ax-addf 9636  ax-mulf 9637
This theorem depends on definitions:  df-bi 190  df-or 377  df-an 378  df-3or 1008  df-3an 1009  df-tru 1455  df-fal 1458  df-ex 1672  df-nf 1676  df-sb 1806  df-eu 2323  df-mo 2324  df-clab 2458  df-cleq 2464  df-clel 2467  df-nfc 2601  df-ne 2643  df-nel 2644  df-ral 2761  df-rex 2762  df-reu 2763  df-rmo 2764  df-rab 2765  df-v 3033  df-sbc 3256  df-csb 3350  df-dif 3393  df-un 3395  df-in 3397  df-ss 3404  df-pss 3406  df-nul 3723  df-if 3873  df-pw 3944  df-sn 3960  df-pr 3962  df-tp 3964  df-op 3966  df-uni 4191  df-int 4227  df-iun 4271  df-iin 4272  df-br 4396  df-opab 4455  df-mpt 4456  df-tr 4491  df-eprel 4750  df-id 4754  df-po 4760  df-so 4761  df-fr 4798  df-se 4799  df-we 4800  df-xp 4845  df-rel 4846  df-cnv 4847  df-co 4848  df-dm 4849  df-rn 4850  df-res 4851  df-ima 4852  df-pred 5387  df-ord 5433  df-on 5434  df-lim 5435  df-suc 5436  df-iota 5553  df-fun 5591  df-fn 5592  df-f 5593  df-f1 5594  df-fo 5595  df-f1o 5596  df-fv 5597  df-isom 5598  df-riota 6270  df-ov 6311  df-oprab 6312  df-mpt2 6313  df-of 6550  df-om 6712  df-1st 6812  df-2nd 6813  df-supp 6934  df-wrecs 7046  df-recs 7108  df-rdg 7146  df-1o 7200  df-2o 7201  df-oadd 7204  df-er 7381  df-map 7492  df-pm 7493  df-ixp 7541  df-en 7588  df-dom 7589  df-sdom 7590  df-fin 7591  df-fsupp 7902  df-fi 7943  df-sup 7974  df-inf 7975  df-oi 8043  df-card 8391  df-cda 8616  df-pnf 9695  df-mnf 9696  df-xr 9697  df-ltxr 9698  df-le 9699  df-sub 9882  df-neg 9883  df-div 10292  df-nn 10632  df-2 10690  df-3 10691  df-4 10692  df-5 10693  df-6 10694  df-7 10695  df-8 10696  df-9 10697  df-10 10698  df-n0 10894  df-z 10962  df-dec 11075  df-uz 11183  df-q 11288  df-rp 11326  df-xneg 11432  df-xadd 11433  df-xmul 11434  df-ioo 11664  df-ioc 11665  df-ico 11666  df-icc 11667  df-fz 11811  df-fzo 11943  df-fl 12061  df-seq 12252  df-exp 12311  df-hash 12554  df-cj 13239  df-re 13240  df-im 13241  df-sqrt 13375  df-abs 13376  df-clim 13629  df-rlim 13630  df-sum 13830  df-struct 15201  df-ndx 15202  df-slot 15203  df-base 15204  df-sets 15205  df-ress 15206  df-plusg 15281  df-mulr 15282  df-starv 15283  df-sca 15284  df-vsca 15285  df-ip 15286  df-tset 15287  df-ple 15288  df-ds 15290  df-unif 15291  df-hom 15292  df-cco 15293  df-rest 15399  df-topn 15400  df-0g 15418  df-gsum 15419  df-topgen 15420  df-pt 15421  df-prds 15424  df-xrs 15478  df-qtop 15484  df-imas 15485  df-xps 15488  df-mre 15570  df-mrc 15571  df-acs 15573  df-mgm 16566  df-sgrp 16605  df-mnd 16615  df-submnd 16661  df-mulg 16754  df-cntz 17049  df-cmn 17510  df-psmet 19039  df-xmet 19040  df-met 19041  df-bl 19042  df-mopn 19043  df-cnfld 19048  df-top 19998  df-bases 19999  df-topon 20000  df-topsp 20001  df-cld 20111  df-cn 20320  df-cnp 20321  df-cmp 20479  df-tx 20654  df-hmeo 20847  df-xms 21413  df-ms 21414  df-tms 21415
This theorem is referenced by:  stoweid  38037
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