Step |
Hyp |
Ref |
Expression |
1 |
|
decsmflem.x |
|- F/ x ph |
2 |
|
decsmflem.y |
|- F/ y ph |
3 |
|
decsmflem.a |
|- ( ph -> A C_ RR ) |
4 |
|
decsmflem.f |
|- ( ph -> F : A --> RR* ) |
5 |
|
decsmflem.i |
|- ( ph -> A. x e. A A. y e. A ( x <_ y -> ( F ` y ) <_ ( F ` x ) ) ) |
6 |
|
decsmflem.j |
|- J = ( topGen ` ran (,) ) |
7 |
|
decsmflem.b |
|- B = ( SalGen ` J ) |
8 |
|
decsmflem.r |
|- ( ph -> R e. RR* ) |
9 |
|
decsmflem.l |
|- Y = { x e. A | R < ( F ` x ) } |
10 |
|
decsmflem.c |
|- C = sup ( Y , RR* , < ) |
11 |
|
decsmflem.d |
|- D = ( -oo (,) C ) |
12 |
|
decsmflem.e |
|- E = ( -oo (,] C ) |
13 |
|
mnfxr |
|- -oo e. RR* |
14 |
13
|
a1i |
|- ( ( ph /\ C e. Y ) -> -oo e. RR* ) |
15 |
|
ssrab2 |
|- { x e. A | R < ( F ` x ) } C_ A |
16 |
9 15
|
eqsstri |
|- Y C_ A |
17 |
16
|
a1i |
|- ( ph -> Y C_ A ) |
18 |
17 3
|
sstrd |
|- ( ph -> Y C_ RR ) |
19 |
18
|
sselda |
|- ( ( ph /\ C e. Y ) -> C e. RR ) |
20 |
14 19 6 7
|
iocborel |
|- ( ( ph /\ C e. Y ) -> ( -oo (,] C ) e. B ) |
21 |
12 20
|
eqeltrid |
|- ( ( ph /\ C e. Y ) -> E e. B ) |
22 |
|
nfrab1 |
|- F/_ x { x e. A | R < ( F ` x ) } |
23 |
9 22
|
nfcxfr |
|- F/_ x Y |
24 |
|
nfcv |
|- F/_ x RR* |
25 |
|
nfcv |
|- F/_ x < |
26 |
23 24 25
|
nfsup |
|- F/_ x sup ( Y , RR* , < ) |
27 |
10 26
|
nfcxfr |
|- F/_ x C |
28 |
27 23
|
nfel |
|- F/ x C e. Y |
29 |
1 28
|
nfan |
|- F/ x ( ph /\ C e. Y ) |
30 |
3
|
adantr |
|- ( ( ph /\ C e. Y ) -> A C_ RR ) |
31 |
4
|
adantr |
|- ( ( ph /\ C e. Y ) -> F : A --> RR* ) |
32 |
5
|
adantr |
|- ( ( ph /\ C e. Y ) -> A. x e. A A. y e. A ( x <_ y -> ( F ` y ) <_ ( F ` x ) ) ) |
33 |
8
|
adantr |
|- ( ( ph /\ C e. Y ) -> R e. RR* ) |
34 |
|
simpr |
|- ( ( ph /\ C e. Y ) -> C e. Y ) |
35 |
29 30 31 32 33 9 10 34 12
|
pimdecfgtioc |
|- ( ( ph /\ C e. Y ) -> Y = ( E i^i A ) ) |
36 |
|
ineq1 |
|- ( b = E -> ( b i^i A ) = ( E i^i A ) ) |
37 |
36
|
rspceeqv |
|- ( ( E e. B /\ Y = ( E i^i A ) ) -> E. b e. B Y = ( b i^i A ) ) |
38 |
21 35 37
|
syl2anc |
|- ( ( ph /\ C e. Y ) -> E. b e. B Y = ( b i^i A ) ) |
39 |
6 7
|
iooborel |
|- ( -oo (,) C ) e. B |
40 |
11 39
|
eqeltri |
|- D e. B |
41 |
40
|
a1i |
|- ( ph -> D e. B ) |
42 |
41
|
adantr |
|- ( ( ph /\ -. C e. Y ) -> D e. B ) |
43 |
28
|
nfn |
|- F/ x -. C e. Y |
44 |
1 43
|
nfan |
|- F/ x ( ph /\ -. C e. Y ) |
45 |
|
nfv |
|- F/ y -. C e. Y |
46 |
2 45
|
nfan |
|- F/ y ( ph /\ -. C e. Y ) |
47 |
3
|
adantr |
|- ( ( ph /\ -. C e. Y ) -> A C_ RR ) |
48 |
4
|
adantr |
|- ( ( ph /\ -. C e. Y ) -> F : A --> RR* ) |
49 |
5
|
adantr |
|- ( ( ph /\ -. C e. Y ) -> A. x e. A A. y e. A ( x <_ y -> ( F ` y ) <_ ( F ` x ) ) ) |
50 |
8
|
adantr |
|- ( ( ph /\ -. C e. Y ) -> R e. RR* ) |
51 |
|
simpr |
|- ( ( ph /\ -. C e. Y ) -> -. C e. Y ) |
52 |
44 46 47 48 49 50 9 10 51 11
|
pimdecfgtioo |
|- ( ( ph /\ -. C e. Y ) -> Y = ( D i^i A ) ) |
53 |
|
ineq1 |
|- ( b = D -> ( b i^i A ) = ( D i^i A ) ) |
54 |
53
|
rspceeqv |
|- ( ( D e. B /\ Y = ( D i^i A ) ) -> E. b e. B Y = ( b i^i A ) ) |
55 |
42 52 54
|
syl2anc |
|- ( ( ph /\ -. C e. Y ) -> E. b e. B Y = ( b i^i A ) ) |
56 |
38 55
|
pm2.61dan |
|- ( ph -> E. b e. B Y = ( b i^i A ) ) |