Step |
Hyp |
Ref |
Expression |
1 |
|
fourierdlem31.i |
|- F/ i ph |
2 |
|
fourierdlem31.r |
|- F/ r ph |
3 |
|
fourierdlem31.iv |
|- F/_ i V |
4 |
|
fourierdlem31.a |
|- ( ph -> A e. Fin ) |
5 |
|
fourierdlem31.exm |
|- ( ph -> A. i e. A E. m e. NN A. r e. ( m (,) +oo ) ch ) |
6 |
|
fourierdlem31.m |
|- M = { m e. NN | A. r e. ( m (,) +oo ) ch } |
7 |
|
fourierdlem31.v |
|- V = ( i e. A |-> inf ( M , RR , < ) ) |
8 |
|
fourierdlem31.n |
|- N = sup ( ran V , RR , < ) |
9 |
|
1nn |
|- 1 e. NN |
10 |
|
rzal |
|- ( A = (/) -> A. i e. A ch ) |
11 |
10
|
ralrimivw |
|- ( A = (/) -> A. r e. ( 1 (,) +oo ) A. i e. A ch ) |
12 |
|
oveq1 |
|- ( n = 1 -> ( n (,) +oo ) = ( 1 (,) +oo ) ) |
13 |
12
|
raleqdv |
|- ( n = 1 -> ( A. r e. ( n (,) +oo ) A. i e. A ch <-> A. r e. ( 1 (,) +oo ) A. i e. A ch ) ) |
14 |
13
|
rspcev |
|- ( ( 1 e. NN /\ A. r e. ( 1 (,) +oo ) A. i e. A ch ) -> E. n e. NN A. r e. ( n (,) +oo ) A. i e. A ch ) |
15 |
9 11 14
|
sylancr |
|- ( A = (/) -> E. n e. NN A. r e. ( n (,) +oo ) A. i e. A ch ) |
16 |
15
|
adantl |
|- ( ( ph /\ A = (/) ) -> E. n e. NN A. r e. ( n (,) +oo ) A. i e. A ch ) |
17 |
6
|
a1i |
|- ( ( ph /\ i e. A ) -> M = { m e. NN | A. r e. ( m (,) +oo ) ch } ) |
18 |
17
|
infeq1d |
|- ( ( ph /\ i e. A ) -> inf ( M , RR , < ) = inf ( { m e. NN | A. r e. ( m (,) +oo ) ch } , RR , < ) ) |
19 |
|
ssrab2 |
|- { m e. NN | A. r e. ( m (,) +oo ) ch } C_ NN |
20 |
|
nnuz |
|- NN = ( ZZ>= ` 1 ) |
21 |
19 20
|
sseqtri |
|- { m e. NN | A. r e. ( m (,) +oo ) ch } C_ ( ZZ>= ` 1 ) |
22 |
5
|
r19.21bi |
|- ( ( ph /\ i e. A ) -> E. m e. NN A. r e. ( m (,) +oo ) ch ) |
23 |
|
rabn0 |
|- ( { m e. NN | A. r e. ( m (,) +oo ) ch } =/= (/) <-> E. m e. NN A. r e. ( m (,) +oo ) ch ) |
24 |
22 23
|
sylibr |
|- ( ( ph /\ i e. A ) -> { m e. NN | A. r e. ( m (,) +oo ) ch } =/= (/) ) |
25 |
|
infssuzcl |
|- ( ( { m e. NN | A. r e. ( m (,) +oo ) ch } C_ ( ZZ>= ` 1 ) /\ { m e. NN | A. r e. ( m (,) +oo ) ch } =/= (/) ) -> inf ( { m e. NN | A. r e. ( m (,) +oo ) ch } , RR , < ) e. { m e. NN | A. r e. ( m (,) +oo ) ch } ) |
26 |
21 24 25
|
sylancr |
|- ( ( ph /\ i e. A ) -> inf ( { m e. NN | A. r e. ( m (,) +oo ) ch } , RR , < ) e. { m e. NN | A. r e. ( m (,) +oo ) ch } ) |
27 |
19 26
|
sseldi |
|- ( ( ph /\ i e. A ) -> inf ( { m e. NN | A. r e. ( m (,) +oo ) ch } , RR , < ) e. NN ) |
28 |
18 27
|
eqeltrd |
|- ( ( ph /\ i e. A ) -> inf ( M , RR , < ) e. NN ) |
29 |
28
|
ex |
|- ( ph -> ( i e. A -> inf ( M , RR , < ) e. NN ) ) |
30 |
1 29
|
ralrimi |
|- ( ph -> A. i e. A inf ( M , RR , < ) e. NN ) |
31 |
7
|
rnmptss |
|- ( A. i e. A inf ( M , RR , < ) e. NN -> ran V C_ NN ) |
32 |
30 31
|
syl |
|- ( ph -> ran V C_ NN ) |
33 |
32
|
adantr |
|- ( ( ph /\ -. A = (/) ) -> ran V C_ NN ) |
34 |
|
ltso |
|- < Or RR |
35 |
34
|
a1i |
|- ( ( ph /\ -. A = (/) ) -> < Or RR ) |
36 |
|
mptfi |
|- ( A e. Fin -> ( i e. A |-> inf ( M , RR , < ) ) e. Fin ) |
37 |
4 36
|
syl |
|- ( ph -> ( i e. A |-> inf ( M , RR , < ) ) e. Fin ) |
38 |
7 37
|
eqeltrid |
|- ( ph -> V e. Fin ) |
39 |
|
rnfi |
|- ( V e. Fin -> ran V e. Fin ) |
40 |
38 39
|
syl |
|- ( ph -> ran V e. Fin ) |
41 |
40
|
adantr |
|- ( ( ph /\ -. A = (/) ) -> ran V e. Fin ) |
42 |
|
neqne |
|- ( -. A = (/) -> A =/= (/) ) |
43 |
|
n0 |
|- ( A =/= (/) <-> E. i i e. A ) |
44 |
42 43
|
sylib |
|- ( -. A = (/) -> E. i i e. A ) |
45 |
44
|
adantl |
|- ( ( ph /\ -. A = (/) ) -> E. i i e. A ) |
46 |
|
nfv |
|- F/ i -. A = (/) |
47 |
1 46
|
nfan |
|- F/ i ( ph /\ -. A = (/) ) |
48 |
3
|
nfrn |
|- F/_ i ran V |
49 |
|
nfcv |
|- F/_ i (/) |
50 |
48 49
|
nfne |
|- F/ i ran V =/= (/) |
51 |
|
simpr |
|- ( ( ph /\ i e. A ) -> i e. A ) |
52 |
7
|
elrnmpt1 |
|- ( ( i e. A /\ inf ( M , RR , < ) e. NN ) -> inf ( M , RR , < ) e. ran V ) |
53 |
51 28 52
|
syl2anc |
|- ( ( ph /\ i e. A ) -> inf ( M , RR , < ) e. ran V ) |
54 |
53
|
ne0d |
|- ( ( ph /\ i e. A ) -> ran V =/= (/) ) |
55 |
54
|
ex |
|- ( ph -> ( i e. A -> ran V =/= (/) ) ) |
56 |
55
|
adantr |
|- ( ( ph /\ -. A = (/) ) -> ( i e. A -> ran V =/= (/) ) ) |
57 |
47 50 56
|
exlimd |
|- ( ( ph /\ -. A = (/) ) -> ( E. i i e. A -> ran V =/= (/) ) ) |
58 |
45 57
|
mpd |
|- ( ( ph /\ -. A = (/) ) -> ran V =/= (/) ) |
59 |
|
nnssre |
|- NN C_ RR |
60 |
33 59
|
sstrdi |
|- ( ( ph /\ -. A = (/) ) -> ran V C_ RR ) |
61 |
|
fisupcl |
|- ( ( < Or RR /\ ( ran V e. Fin /\ ran V =/= (/) /\ ran V C_ RR ) ) -> sup ( ran V , RR , < ) e. ran V ) |
62 |
35 41 58 60 61
|
syl13anc |
|- ( ( ph /\ -. A = (/) ) -> sup ( ran V , RR , < ) e. ran V ) |
63 |
33 62
|
sseldd |
|- ( ( ph /\ -. A = (/) ) -> sup ( ran V , RR , < ) e. NN ) |
64 |
8 63
|
eqeltrid |
|- ( ( ph /\ -. A = (/) ) -> N e. NN ) |
65 |
|
nfcv |
|- F/_ i RR |
66 |
|
nfcv |
|- F/_ i < |
67 |
48 65 66
|
nfsup |
|- F/_ i sup ( ran V , RR , < ) |
68 |
8 67
|
nfcxfr |
|- F/_ i N |
69 |
|
nfcv |
|- F/_ i (,) |
70 |
|
nfcv |
|- F/_ i +oo |
71 |
68 69 70
|
nfov |
|- F/_ i ( N (,) +oo ) |
72 |
71
|
nfcri |
|- F/ i r e. ( N (,) +oo ) |
73 |
1 72
|
nfan |
|- F/ i ( ph /\ r e. ( N (,) +oo ) ) |
74 |
7
|
fvmpt2 |
|- ( ( i e. A /\ inf ( M , RR , < ) e. NN ) -> ( V ` i ) = inf ( M , RR , < ) ) |
75 |
51 28 74
|
syl2anc |
|- ( ( ph /\ i e. A ) -> ( V ` i ) = inf ( M , RR , < ) ) |
76 |
28
|
nnxrd |
|- ( ( ph /\ i e. A ) -> inf ( M , RR , < ) e. RR* ) |
77 |
75 76
|
eqeltrd |
|- ( ( ph /\ i e. A ) -> ( V ` i ) e. RR* ) |
78 |
77
|
adantr |
|- ( ( ( ph /\ i e. A ) /\ r e. ( N (,) +oo ) ) -> ( V ` i ) e. RR* ) |
79 |
|
pnfxr |
|- +oo e. RR* |
80 |
79
|
a1i |
|- ( ( ( ph /\ i e. A ) /\ r e. ( N (,) +oo ) ) -> +oo e. RR* ) |
81 |
|
elioore |
|- ( r e. ( N (,) +oo ) -> r e. RR ) |
82 |
81
|
adantl |
|- ( ( ( ph /\ i e. A ) /\ r e. ( N (,) +oo ) ) -> r e. RR ) |
83 |
75 28
|
eqeltrd |
|- ( ( ph /\ i e. A ) -> ( V ` i ) e. NN ) |
84 |
83
|
nnred |
|- ( ( ph /\ i e. A ) -> ( V ` i ) e. RR ) |
85 |
84
|
adantr |
|- ( ( ( ph /\ i e. A ) /\ r e. ( N (,) +oo ) ) -> ( V ` i ) e. RR ) |
86 |
|
ne0i |
|- ( i e. A -> A =/= (/) ) |
87 |
86
|
adantl |
|- ( ( ph /\ i e. A ) -> A =/= (/) ) |
88 |
87
|
neneqd |
|- ( ( ph /\ i e. A ) -> -. A = (/) ) |
89 |
88 64
|
syldan |
|- ( ( ph /\ i e. A ) -> N e. NN ) |
90 |
89
|
nnred |
|- ( ( ph /\ i e. A ) -> N e. RR ) |
91 |
90
|
adantr |
|- ( ( ( ph /\ i e. A ) /\ r e. ( N (,) +oo ) ) -> N e. RR ) |
92 |
88 60
|
syldan |
|- ( ( ph /\ i e. A ) -> ran V C_ RR ) |
93 |
32 59
|
sstrdi |
|- ( ph -> ran V C_ RR ) |
94 |
|
fimaxre2 |
|- ( ( ran V C_ RR /\ ran V e. Fin ) -> E. x e. RR A. y e. ran V y <_ x ) |
95 |
93 40 94
|
syl2anc |
|- ( ph -> E. x e. RR A. y e. ran V y <_ x ) |
96 |
95
|
adantr |
|- ( ( ph /\ i e. A ) -> E. x e. RR A. y e. ran V y <_ x ) |
97 |
75 53
|
eqeltrd |
|- ( ( ph /\ i e. A ) -> ( V ` i ) e. ran V ) |
98 |
|
suprub |
|- ( ( ( ran V C_ RR /\ ran V =/= (/) /\ E. x e. RR A. y e. ran V y <_ x ) /\ ( V ` i ) e. ran V ) -> ( V ` i ) <_ sup ( ran V , RR , < ) ) |
99 |
92 54 96 97 98
|
syl31anc |
|- ( ( ph /\ i e. A ) -> ( V ` i ) <_ sup ( ran V , RR , < ) ) |
100 |
99 8
|
breqtrrdi |
|- ( ( ph /\ i e. A ) -> ( V ` i ) <_ N ) |
101 |
100
|
adantr |
|- ( ( ( ph /\ i e. A ) /\ r e. ( N (,) +oo ) ) -> ( V ` i ) <_ N ) |
102 |
91
|
rexrd |
|- ( ( ( ph /\ i e. A ) /\ r e. ( N (,) +oo ) ) -> N e. RR* ) |
103 |
|
simpr |
|- ( ( ( ph /\ i e. A ) /\ r e. ( N (,) +oo ) ) -> r e. ( N (,) +oo ) ) |
104 |
|
ioogtlb |
|- ( ( N e. RR* /\ +oo e. RR* /\ r e. ( N (,) +oo ) ) -> N < r ) |
105 |
102 80 103 104
|
syl3anc |
|- ( ( ( ph /\ i e. A ) /\ r e. ( N (,) +oo ) ) -> N < r ) |
106 |
85 91 82 101 105
|
lelttrd |
|- ( ( ( ph /\ i e. A ) /\ r e. ( N (,) +oo ) ) -> ( V ` i ) < r ) |
107 |
82
|
ltpnfd |
|- ( ( ( ph /\ i e. A ) /\ r e. ( N (,) +oo ) ) -> r < +oo ) |
108 |
78 80 82 106 107
|
eliood |
|- ( ( ( ph /\ i e. A ) /\ r e. ( N (,) +oo ) ) -> r e. ( ( V ` i ) (,) +oo ) ) |
109 |
18 26
|
eqeltrd |
|- ( ( ph /\ i e. A ) -> inf ( M , RR , < ) e. { m e. NN | A. r e. ( m (,) +oo ) ch } ) |
110 |
75 109
|
eqeltrd |
|- ( ( ph /\ i e. A ) -> ( V ` i ) e. { m e. NN | A. r e. ( m (,) +oo ) ch } ) |
111 |
|
nfcv |
|- F/_ m A |
112 |
|
nfrab1 |
|- F/_ m { m e. NN | A. r e. ( m (,) +oo ) ch } |
113 |
6 112
|
nfcxfr |
|- F/_ m M |
114 |
|
nfcv |
|- F/_ m RR |
115 |
|
nfcv |
|- F/_ m < |
116 |
113 114 115
|
nfinf |
|- F/_ m inf ( M , RR , < ) |
117 |
111 116
|
nfmpt |
|- F/_ m ( i e. A |-> inf ( M , RR , < ) ) |
118 |
7 117
|
nfcxfr |
|- F/_ m V |
119 |
|
nfcv |
|- F/_ m i |
120 |
118 119
|
nffv |
|- F/_ m ( V ` i ) |
121 |
120 112
|
nfel |
|- F/ m ( V ` i ) e. { m e. NN | A. r e. ( m (,) +oo ) ch } |
122 |
120
|
nfel1 |
|- F/ m ( V ` i ) e. NN |
123 |
|
nfcv |
|- F/_ m (,) |
124 |
|
nfcv |
|- F/_ m +oo |
125 |
120 123 124
|
nfov |
|- F/_ m ( ( V ` i ) (,) +oo ) |
126 |
|
nfv |
|- F/ m ch |
127 |
125 126
|
nfralw |
|- F/ m A. r e. ( ( V ` i ) (,) +oo ) ch |
128 |
122 127
|
nfan |
|- F/ m ( ( V ` i ) e. NN /\ A. r e. ( ( V ` i ) (,) +oo ) ch ) |
129 |
121 128
|
nfbi |
|- F/ m ( ( V ` i ) e. { m e. NN | A. r e. ( m (,) +oo ) ch } <-> ( ( V ` i ) e. NN /\ A. r e. ( ( V ` i ) (,) +oo ) ch ) ) |
130 |
|
eleq1 |
|- ( m = ( V ` i ) -> ( m e. { m e. NN | A. r e. ( m (,) +oo ) ch } <-> ( V ` i ) e. { m e. NN | A. r e. ( m (,) +oo ) ch } ) ) |
131 |
|
eleq1 |
|- ( m = ( V ` i ) -> ( m e. NN <-> ( V ` i ) e. NN ) ) |
132 |
|
oveq1 |
|- ( m = ( V ` i ) -> ( m (,) +oo ) = ( ( V ` i ) (,) +oo ) ) |
133 |
|
nfcv |
|- F/_ r ( m (,) +oo ) |
134 |
|
nfcv |
|- F/_ r A |
135 |
|
nfra1 |
|- F/ r A. r e. ( m (,) +oo ) ch |
136 |
|
nfcv |
|- F/_ r NN |
137 |
135 136
|
nfrabw |
|- F/_ r { m e. NN | A. r e. ( m (,) +oo ) ch } |
138 |
6 137
|
nfcxfr |
|- F/_ r M |
139 |
|
nfcv |
|- F/_ r RR |
140 |
|
nfcv |
|- F/_ r < |
141 |
138 139 140
|
nfinf |
|- F/_ r inf ( M , RR , < ) |
142 |
134 141
|
nfmpt |
|- F/_ r ( i e. A |-> inf ( M , RR , < ) ) |
143 |
7 142
|
nfcxfr |
|- F/_ r V |
144 |
|
nfcv |
|- F/_ r i |
145 |
143 144
|
nffv |
|- F/_ r ( V ` i ) |
146 |
|
nfcv |
|- F/_ r (,) |
147 |
|
nfcv |
|- F/_ r +oo |
148 |
145 146 147
|
nfov |
|- F/_ r ( ( V ` i ) (,) +oo ) |
149 |
133 148
|
raleqf |
|- ( ( m (,) +oo ) = ( ( V ` i ) (,) +oo ) -> ( A. r e. ( m (,) +oo ) ch <-> A. r e. ( ( V ` i ) (,) +oo ) ch ) ) |
150 |
132 149
|
syl |
|- ( m = ( V ` i ) -> ( A. r e. ( m (,) +oo ) ch <-> A. r e. ( ( V ` i ) (,) +oo ) ch ) ) |
151 |
131 150
|
anbi12d |
|- ( m = ( V ` i ) -> ( ( m e. NN /\ A. r e. ( m (,) +oo ) ch ) <-> ( ( V ` i ) e. NN /\ A. r e. ( ( V ` i ) (,) +oo ) ch ) ) ) |
152 |
130 151
|
bibi12d |
|- ( m = ( V ` i ) -> ( ( m e. { m e. NN | A. r e. ( m (,) +oo ) ch } <-> ( m e. NN /\ A. r e. ( m (,) +oo ) ch ) ) <-> ( ( V ` i ) e. { m e. NN | A. r e. ( m (,) +oo ) ch } <-> ( ( V ` i ) e. NN /\ A. r e. ( ( V ` i ) (,) +oo ) ch ) ) ) ) |
153 |
|
rabid |
|- ( m e. { m e. NN | A. r e. ( m (,) +oo ) ch } <-> ( m e. NN /\ A. r e. ( m (,) +oo ) ch ) ) |
154 |
120 129 152 153
|
vtoclgf |
|- ( ( V ` i ) e. NN -> ( ( V ` i ) e. { m e. NN | A. r e. ( m (,) +oo ) ch } <-> ( ( V ` i ) e. NN /\ A. r e. ( ( V ` i ) (,) +oo ) ch ) ) ) |
155 |
83 154
|
syl |
|- ( ( ph /\ i e. A ) -> ( ( V ` i ) e. { m e. NN | A. r e. ( m (,) +oo ) ch } <-> ( ( V ` i ) e. NN /\ A. r e. ( ( V ` i ) (,) +oo ) ch ) ) ) |
156 |
110 155
|
mpbid |
|- ( ( ph /\ i e. A ) -> ( ( V ` i ) e. NN /\ A. r e. ( ( V ` i ) (,) +oo ) ch ) ) |
157 |
156
|
simprd |
|- ( ( ph /\ i e. A ) -> A. r e. ( ( V ` i ) (,) +oo ) ch ) |
158 |
157
|
r19.21bi |
|- ( ( ( ph /\ i e. A ) /\ r e. ( ( V ` i ) (,) +oo ) ) -> ch ) |
159 |
108 158
|
syldan |
|- ( ( ( ph /\ i e. A ) /\ r e. ( N (,) +oo ) ) -> ch ) |
160 |
159
|
an32s |
|- ( ( ( ph /\ r e. ( N (,) +oo ) ) /\ i e. A ) -> ch ) |
161 |
160
|
ex |
|- ( ( ph /\ r e. ( N (,) +oo ) ) -> ( i e. A -> ch ) ) |
162 |
73 161
|
ralrimi |
|- ( ( ph /\ r e. ( N (,) +oo ) ) -> A. i e. A ch ) |
163 |
162
|
ex |
|- ( ph -> ( r e. ( N (,) +oo ) -> A. i e. A ch ) ) |
164 |
2 163
|
ralrimi |
|- ( ph -> A. r e. ( N (,) +oo ) A. i e. A ch ) |
165 |
164
|
adantr |
|- ( ( ph /\ -. A = (/) ) -> A. r e. ( N (,) +oo ) A. i e. A ch ) |
166 |
|
oveq1 |
|- ( n = N -> ( n (,) +oo ) = ( N (,) +oo ) ) |
167 |
|
nfcv |
|- F/_ r ( n (,) +oo ) |
168 |
143
|
nfrn |
|- F/_ r ran V |
169 |
168 139 140
|
nfsup |
|- F/_ r sup ( ran V , RR , < ) |
170 |
8 169
|
nfcxfr |
|- F/_ r N |
171 |
170 146 147
|
nfov |
|- F/_ r ( N (,) +oo ) |
172 |
167 171
|
raleqf |
|- ( ( n (,) +oo ) = ( N (,) +oo ) -> ( A. r e. ( n (,) +oo ) A. i e. A ch <-> A. r e. ( N (,) +oo ) A. i e. A ch ) ) |
173 |
166 172
|
syl |
|- ( n = N -> ( A. r e. ( n (,) +oo ) A. i e. A ch <-> A. r e. ( N (,) +oo ) A. i e. A ch ) ) |
174 |
173
|
rspcev |
|- ( ( N e. NN /\ A. r e. ( N (,) +oo ) A. i e. A ch ) -> E. n e. NN A. r e. ( n (,) +oo ) A. i e. A ch ) |
175 |
64 165 174
|
syl2anc |
|- ( ( ph /\ -. A = (/) ) -> E. n e. NN A. r e. ( n (,) +oo ) A. i e. A ch ) |
176 |
16 175
|
pm2.61dan |
|- ( ph -> E. n e. NN A. r e. ( n (,) +oo ) A. i e. A ch ) |