Step |
Hyp |
Ref |
Expression |
1 |
|
iunhoiicc.k |
|- F/ k ph |
2 |
|
iunhoiicc.a |
|- ( ( ph /\ k e. X ) -> A e. RR ) |
3 |
|
iunhoiicc.b |
|- ( ( ph /\ k e. X ) -> B e. RR ) |
4 |
|
oveq2 |
|- ( n = m -> ( 1 / n ) = ( 1 / m ) ) |
5 |
4
|
oveq2d |
|- ( n = m -> ( B + ( 1 / n ) ) = ( B + ( 1 / m ) ) ) |
6 |
5
|
oveq2d |
|- ( n = m -> ( A [,) ( B + ( 1 / n ) ) ) = ( A [,) ( B + ( 1 / m ) ) ) ) |
7 |
6
|
ixpeq2dv |
|- ( n = m -> X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) = X_ k e. X ( A [,) ( B + ( 1 / m ) ) ) ) |
8 |
7
|
cbviinv |
|- |^|_ n e. NN X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) = |^|_ m e. NN X_ k e. X ( A [,) ( B + ( 1 / m ) ) ) |
9 |
8
|
eleq2i |
|- ( f e. |^|_ n e. NN X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) <-> f e. |^|_ m e. NN X_ k e. X ( A [,) ( B + ( 1 / m ) ) ) ) |
10 |
9
|
biimpi |
|- ( f e. |^|_ n e. NN X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) -> f e. |^|_ m e. NN X_ k e. X ( A [,) ( B + ( 1 / m ) ) ) ) |
11 |
10
|
adantl |
|- ( ( ph /\ f e. |^|_ n e. NN X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) ) -> f e. |^|_ m e. NN X_ k e. X ( A [,) ( B + ( 1 / m ) ) ) ) |
12 |
|
nfcv |
|- F/_ k f |
13 |
|
nfcv |
|- F/_ k NN |
14 |
|
nfixp1 |
|- F/_ k X_ k e. X ( A [,) ( B + ( 1 / m ) ) ) |
15 |
13 14
|
nfiin |
|- F/_ k |^|_ m e. NN X_ k e. X ( A [,) ( B + ( 1 / m ) ) ) |
16 |
12 15
|
nfel |
|- F/ k f e. |^|_ m e. NN X_ k e. X ( A [,) ( B + ( 1 / m ) ) ) |
17 |
1 16
|
nfan |
|- F/ k ( ph /\ f e. |^|_ m e. NN X_ k e. X ( A [,) ( B + ( 1 / m ) ) ) ) |
18 |
2
|
adantlr |
|- ( ( ( ph /\ f e. |^|_ m e. NN X_ k e. X ( A [,) ( B + ( 1 / m ) ) ) ) /\ k e. X ) -> A e. RR ) |
19 |
3
|
adantlr |
|- ( ( ( ph /\ f e. |^|_ m e. NN X_ k e. X ( A [,) ( B + ( 1 / m ) ) ) ) /\ k e. X ) -> B e. RR ) |
20 |
9
|
biimpri |
|- ( f e. |^|_ m e. NN X_ k e. X ( A [,) ( B + ( 1 / m ) ) ) -> f e. |^|_ n e. NN X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) ) |
21 |
20
|
adantl |
|- ( ( ph /\ f e. |^|_ m e. NN X_ k e. X ( A [,) ( B + ( 1 / m ) ) ) ) -> f e. |^|_ n e. NN X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) ) |
22 |
17 18 19 21
|
iinhoiicclem |
|- ( ( ph /\ f e. |^|_ m e. NN X_ k e. X ( A [,) ( B + ( 1 / m ) ) ) ) -> f e. X_ k e. X ( A [,] B ) ) |
23 |
11 22
|
syldan |
|- ( ( ph /\ f e. |^|_ n e. NN X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) ) -> f e. X_ k e. X ( A [,] B ) ) |
24 |
23
|
ralrimiva |
|- ( ph -> A. f e. |^|_ n e. NN X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) f e. X_ k e. X ( A [,] B ) ) |
25 |
|
dfss3 |
|- ( |^|_ n e. NN X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) C_ X_ k e. X ( A [,] B ) <-> A. f e. |^|_ n e. NN X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) f e. X_ k e. X ( A [,] B ) ) |
26 |
24 25
|
sylibr |
|- ( ph -> |^|_ n e. NN X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) C_ X_ k e. X ( A [,] B ) ) |
27 |
|
nfv |
|- F/ k n e. NN |
28 |
1 27
|
nfan |
|- F/ k ( ph /\ n e. NN ) |
29 |
2
|
rexrd |
|- ( ( ph /\ k e. X ) -> A e. RR* ) |
30 |
29
|
adantlr |
|- ( ( ( ph /\ n e. NN ) /\ k e. X ) -> A e. RR* ) |
31 |
3
|
adantlr |
|- ( ( ( ph /\ n e. NN ) /\ k e. X ) -> B e. RR ) |
32 |
|
nnrp |
|- ( n e. NN -> n e. RR+ ) |
33 |
32
|
ad2antlr |
|- ( ( ( ph /\ n e. NN ) /\ k e. X ) -> n e. RR+ ) |
34 |
33
|
rpreccld |
|- ( ( ( ph /\ n e. NN ) /\ k e. X ) -> ( 1 / n ) e. RR+ ) |
35 |
34
|
rpred |
|- ( ( ( ph /\ n e. NN ) /\ k e. X ) -> ( 1 / n ) e. RR ) |
36 |
31 35
|
readdcld |
|- ( ( ( ph /\ n e. NN ) /\ k e. X ) -> ( B + ( 1 / n ) ) e. RR ) |
37 |
36
|
rexrd |
|- ( ( ( ph /\ n e. NN ) /\ k e. X ) -> ( B + ( 1 / n ) ) e. RR* ) |
38 |
2
|
adantlr |
|- ( ( ( ph /\ n e. NN ) /\ k e. X ) -> A e. RR ) |
39 |
38
|
leidd |
|- ( ( ( ph /\ n e. NN ) /\ k e. X ) -> A <_ A ) |
40 |
31 34
|
ltaddrpd |
|- ( ( ( ph /\ n e. NN ) /\ k e. X ) -> B < ( B + ( 1 / n ) ) ) |
41 |
|
iccssico |
|- ( ( ( A e. RR* /\ ( B + ( 1 / n ) ) e. RR* ) /\ ( A <_ A /\ B < ( B + ( 1 / n ) ) ) ) -> ( A [,] B ) C_ ( A [,) ( B + ( 1 / n ) ) ) ) |
42 |
30 37 39 40 41
|
syl22anc |
|- ( ( ( ph /\ n e. NN ) /\ k e. X ) -> ( A [,] B ) C_ ( A [,) ( B + ( 1 / n ) ) ) ) |
43 |
28 42
|
ixpssixp |
|- ( ( ph /\ n e. NN ) -> X_ k e. X ( A [,] B ) C_ X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) ) |
44 |
43
|
ralrimiva |
|- ( ph -> A. n e. NN X_ k e. X ( A [,] B ) C_ X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) ) |
45 |
|
ssiin |
|- ( X_ k e. X ( A [,] B ) C_ |^|_ n e. NN X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) <-> A. n e. NN X_ k e. X ( A [,] B ) C_ X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) ) |
46 |
44 45
|
sylibr |
|- ( ph -> X_ k e. X ( A [,] B ) C_ |^|_ n e. NN X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) ) |
47 |
26 46
|
eqssd |
|- ( ph -> |^|_ n e. NN X_ k e. X ( A [,) ( B + ( 1 / n ) ) ) = X_ k e. X ( A [,] B ) ) |