Step |
Hyp |
Ref |
Expression |
1 |
|
filnet.h |
|
2 |
|
filnet.d |
|
3 |
1 2
|
filnetlem3 |
|
4 |
3
|
simpri |
|
5 |
4
|
simprd |
|
6 |
|
f2ndres |
|
7 |
4
|
simpld |
|
8 |
|
fssres2 |
|
9 |
6 7 8
|
sylancr |
|
10 |
|
filtop |
|
11 |
|
xpexg |
|
12 |
10 11
|
mpdan |
|
13 |
12 7
|
ssexd |
|
14 |
|
fex |
|
15 |
9 13 14
|
syl2anc |
|
16 |
|
dirdm |
|
17 |
5 16
|
syl |
|
18 |
3
|
simpli |
|
19 |
17 18
|
syl6reqr |
|
20 |
19
|
feq2d |
|
21 |
9 20
|
mpbid |
|
22 |
|
eqid |
|
23 |
22
|
tailf |
|
24 |
5 23
|
syl |
|
25 |
19
|
feq2d |
|
26 |
24 25
|
mpbird |
|
27 |
26
|
adantr |
|
28 |
|
ffn |
|
29 |
|
imaeq2 |
|
30 |
29
|
sseq1d |
|
31 |
30
|
rexrn |
|
32 |
27 28 31
|
3syl |
|
33 |
|
fo2nd |
|
34 |
|
fofn |
|
35 |
33 34
|
ax-mp |
|
36 |
|
ssv |
|
37 |
|
fnssres |
|
38 |
35 36 37
|
mp2an |
|
39 |
|
fnfun |
|
40 |
38 39
|
ax-mp |
|
41 |
27
|
ffvelrnda |
|
42 |
41
|
elpwid |
|
43 |
19
|
ad2antrr |
|
44 |
42 43
|
sseqtrrd |
|
45 |
|
fndm |
|
46 |
38 45
|
ax-mp |
|
47 |
44 46
|
sseqtrrdi |
|
48 |
|
funimass4 |
|
49 |
40 47 48
|
sylancr |
|
50 |
5
|
ad2antrr |
|
51 |
|
simpr |
|
52 |
51 43
|
eleqtrd |
|
53 |
|
vex |
|
54 |
53
|
a1i |
|
55 |
22
|
eltail |
|
56 |
50 52 54 55
|
syl3anc |
|
57 |
51
|
biantrurd |
|
58 |
57
|
anbi1d |
|
59 |
|
vex |
|
60 |
1 2 59 53
|
filnetlem1 |
|
61 |
58 60
|
syl6bbr |
|
62 |
56 61
|
bitr4d |
|
63 |
62
|
imbi1d |
|
64 |
|
fvres |
|
65 |
64
|
eleq1d |
|
66 |
65
|
adantr |
|
67 |
66
|
pm5.74i |
|
68 |
|
impexp |
|
69 |
67 68
|
bitri |
|
70 |
63 69
|
syl6bb |
|
71 |
70
|
ralbidv2 |
|
72 |
49 71
|
bitrd |
|
73 |
72
|
rexbidva |
|
74 |
|
vex |
|
75 |
|
vex |
|
76 |
74 75
|
op1std |
|
77 |
76
|
sseq1d |
|
78 |
74 75
|
op2ndd |
|
79 |
78
|
eleq1d |
|
80 |
77 79
|
imbi12d |
|
81 |
80
|
raliunxp |
|
82 |
|
sneq |
|
83 |
|
id |
|
84 |
82 83
|
xpeq12d |
|
85 |
84
|
cbviunv |
|
86 |
1 85
|
eqtri |
|
87 |
86
|
raleqi |
|
88 |
|
dfss3 |
|
89 |
88
|
imbi2i |
|
90 |
|
r19.21v |
|
91 |
89 90
|
bitr4i |
|
92 |
91
|
ralbii |
|
93 |
81 87 92
|
3bitr4i |
|
94 |
93
|
rexbii |
|
95 |
1
|
rexeqi |
|
96 |
|
vex |
|
97 |
|
vex |
|
98 |
96 97
|
op1std |
|
99 |
98
|
sseq2d |
|
100 |
99
|
imbi1d |
|
101 |
100
|
ralbidv |
|
102 |
101
|
rexiunxp |
|
103 |
94 95 102
|
3bitri |
|
104 |
|
fileln0 |
|
105 |
104
|
adantlr |
|
106 |
|
r19.9rzv |
|
107 |
105 106
|
syl |
|
108 |
|
ssid |
|
109 |
|
sseq1 |
|
110 |
|
sseq1 |
|
111 |
109 110
|
imbi12d |
|
112 |
111
|
rspcv |
|
113 |
108 112
|
mpii |
|
114 |
113
|
adantl |
|
115 |
|
sstr2 |
|
116 |
115
|
com12 |
|
117 |
116
|
ralrimivw |
|
118 |
114 117
|
impbid1 |
|
119 |
107 118
|
bitr3d |
|
120 |
119
|
rexbidva |
|
121 |
103 120
|
syl5bb |
|
122 |
32 73 121
|
3bitrd |
|
123 |
122
|
pm5.32da |
|
124 |
|
filn0 |
|
125 |
96
|
snnz |
|
126 |
104 125
|
jctil |
|
127 |
|
neanior |
|
128 |
126 127
|
sylib |
|
129 |
|
ss0b |
|
130 |
|
xpeq0 |
|
131 |
129 130
|
bitri |
|
132 |
128 131
|
sylnibr |
|
133 |
132
|
ralrimiva |
|
134 |
|
r19.2z |
|
135 |
124 133 134
|
syl2anc |
|
136 |
|
rexnal |
|
137 |
135 136
|
sylib |
|
138 |
1
|
sseq1i |
|
139 |
|
ss0b |
|
140 |
|
iunss |
|
141 |
138 139 140
|
3bitr3i |
|
142 |
141
|
necon3abii |
|
143 |
137 142
|
sylibr |
|
144 |
|
dmresi |
|
145 |
1 2
|
filnetlem2 |
|
146 |
145
|
simpli |
|
147 |
|
dmss |
|
148 |
146 147
|
ax-mp |
|
149 |
144 148
|
eqsstrri |
|
150 |
145
|
simpri |
|
151 |
|
dmss |
|
152 |
150 151
|
ax-mp |
|
153 |
|
dmxpid |
|
154 |
152 153
|
sseqtri |
|
155 |
149 154
|
eqssi |
|
156 |
155
|
tailfb |
|
157 |
5 143 156
|
syl2anc |
|
158 |
|
elfm |
|
159 |
10 157 9 158
|
syl3anc |
|
160 |
|
filfbas |
|
161 |
|
elfg |
|
162 |
160 161
|
syl |
|
163 |
123 159 162
|
3bitr4d |
|
164 |
163
|
eqrdv |
|
165 |
|
fgfil |
|
166 |
164 165
|
eqtr2d |
|
167 |
21 166
|
jca |
|
168 |
|
feq1 |
|
169 |
|
oveq2 |
|
170 |
169
|
fveq1d |
|
171 |
170
|
eqeq2d |
|
172 |
168 171
|
anbi12d |
|
173 |
172
|
spcegv |
|
174 |
15 167 173
|
sylc |
|
175 |
|
dmeq |
|
176 |
175
|
feq2d |
|
177 |
|
fveq2 |
|
178 |
177
|
rneqd |
|
179 |
178
|
fveq2d |
|
180 |
179
|
eqeq2d |
|
181 |
176 180
|
anbi12d |
|
182 |
181
|
exbidv |
|
183 |
182
|
rspcev |
|
184 |
5 174 183
|
syl2anc |
|