Step |
Hyp |
Ref |
Expression |
1 |
|
soseq.1 |
|
2 |
|
soseq.2 |
|
3 |
|
soseq.3 |
|
4 |
|
soseq.4 |
|
5 |
|
sopo |
|
6 |
1 5
|
ax-mp |
|
7 |
6 2 3
|
poseq |
|
8 |
|
eleq1w |
|
9 |
8
|
anbi1d |
|
10 |
|
fveq1 |
|
11 |
10
|
eqeq1d |
|
12 |
11
|
ralbidv |
|
13 |
|
fveq1 |
|
14 |
13
|
breq1d |
|
15 |
12 14
|
anbi12d |
|
16 |
15
|
rexbidv |
|
17 |
9 16
|
anbi12d |
|
18 |
|
eleq1w |
|
19 |
18
|
anbi2d |
|
20 |
|
fveq1 |
|
21 |
20
|
eqeq2d |
|
22 |
21
|
ralbidv |
|
23 |
|
fveq1 |
|
24 |
23
|
breq2d |
|
25 |
22 24
|
anbi12d |
|
26 |
25
|
rexbidv |
|
27 |
19 26
|
anbi12d |
|
28 |
17 27 3
|
brabg |
|
29 |
28
|
bianabs |
|
30 |
|
eleq1w |
|
31 |
30
|
anbi1d |
|
32 |
|
fveq1 |
|
33 |
32
|
eqeq1d |
|
34 |
33
|
ralbidv |
|
35 |
|
fveq1 |
|
36 |
35
|
breq1d |
|
37 |
34 36
|
anbi12d |
|
38 |
37
|
rexbidv |
|
39 |
31 38
|
anbi12d |
|
40 |
|
eleq1w |
|
41 |
40
|
anbi2d |
|
42 |
|
fveq1 |
|
43 |
42
|
eqeq2d |
|
44 |
43
|
ralbidv |
|
45 |
|
fveq1 |
|
46 |
45
|
breq2d |
|
47 |
44 46
|
anbi12d |
|
48 |
47
|
rexbidv |
|
49 |
41 48
|
anbi12d |
|
50 |
39 49 3
|
brabg |
|
51 |
50
|
bianabs |
|
52 |
51
|
ancoms |
|
53 |
29 52
|
orbi12d |
|
54 |
53
|
notbid |
|
55 |
|
ralinexa |
|
56 |
|
andi |
|
57 |
|
eqcom |
|
58 |
57
|
ralbii |
|
59 |
58
|
anbi1i |
|
60 |
59
|
orbi2i |
|
61 |
56 60
|
bitri |
|
62 |
61
|
rexbii |
|
63 |
|
r19.43 |
|
64 |
62 63
|
bitri |
|
65 |
55 64
|
xchbinx |
|
66 |
|
feq2 |
|
67 |
66
|
cbvrexvw |
|
68 |
67
|
abbii |
|
69 |
2 68
|
eqtri |
|
70 |
69
|
orderseqlem |
|
71 |
69
|
orderseqlem |
|
72 |
|
sotrieq |
|
73 |
1 72
|
mpan |
|
74 |
70 71 73
|
syl2an |
|
75 |
74
|
imbi2d |
|
76 |
75
|
ralbidv |
|
77 |
|
vex |
|
78 |
|
fveq2 |
|
79 |
|
fveq2 |
|
80 |
78 79
|
eqeq12d |
|
81 |
77 80
|
sbcie |
|
82 |
81
|
ralbii |
|
83 |
82
|
imbi1i |
|
84 |
83
|
ralbii |
|
85 |
|
tfisg |
|
86 |
84 85
|
sylbir |
|
87 |
|
vex |
|
88 |
|
feq1 |
|
89 |
88
|
rexbidv |
|
90 |
87 89 2
|
elab2 |
|
91 |
|
feq2 |
|
92 |
91
|
cbvrexvw |
|
93 |
90 92
|
bitri |
|
94 |
|
vex |
|
95 |
|
feq1 |
|
96 |
95
|
rexbidv |
|
97 |
94 96 2
|
elab2 |
|
98 |
|
feq2 |
|
99 |
98
|
cbvrexvw |
|
100 |
97 99
|
bitri |
|
101 |
93 100
|
anbi12i |
|
102 |
|
reeanv |
|
103 |
101 102
|
bitr4i |
|
104 |
|
onss |
|
105 |
|
ssralv |
|
106 |
104 105
|
syl |
|
107 |
106
|
ad2antlr |
|
108 |
|
fveq2 |
|
109 |
|
fveq2 |
|
110 |
108 109
|
eqeq12d |
|
111 |
110
|
rspcv |
|
112 |
111
|
a1i |
|
113 |
|
ffvelrn |
|
114 |
|
fdm |
|
115 |
|
eloni |
|
116 |
|
ordirr |
|
117 |
115 116
|
syl |
|
118 |
|
eleq2 |
|
119 |
118
|
notbid |
|
120 |
119
|
biimparc |
|
121 |
117 120
|
sylan |
|
122 |
|
ndmfv |
|
123 |
|
eqtr2 |
|
124 |
|
eleq1 |
|
125 |
124
|
biimprd |
|
126 |
123 125
|
syl |
|
127 |
126
|
ex |
|
128 |
121 122 127
|
3syl |
|
129 |
128
|
com23 |
|
130 |
114 129
|
sylan2 |
|
131 |
130
|
adantlr |
|
132 |
113 131
|
syl5 |
|
133 |
132
|
exp4b |
|
134 |
133
|
imp32 |
|
135 |
112 134
|
syldd |
|
136 |
135
|
com23 |
|
137 |
136
|
imp |
|
138 |
4 137
|
mtoi |
|
139 |
138
|
ex |
|
140 |
107 139
|
syld |
|
141 |
|
onss |
|
142 |
|
ssralv |
|
143 |
141 142
|
syl |
|
144 |
143
|
ad2antrr |
|
145 |
|
fveq2 |
|
146 |
|
fveq2 |
|
147 |
145 146
|
eqeq12d |
|
148 |
147
|
rspcv |
|
149 |
148
|
a1i |
|
150 |
|
ffvelrn |
|
151 |
|
fdm |
|
152 |
|
eloni |
|
153 |
|
ordirr |
|
154 |
152 153
|
syl |
|
155 |
|
eleq2 |
|
156 |
155
|
notbid |
|
157 |
156
|
biimparc |
|
158 |
|
ndmfv |
|
159 |
157 158
|
syl |
|
160 |
154 159
|
sylan |
|
161 |
|
eqtr |
|
162 |
|
eleq1 |
|
163 |
162
|
biimpd |
|
164 |
161 163
|
syl |
|
165 |
164
|
expcom |
|
166 |
165
|
com23 |
|
167 |
160 166
|
syl |
|
168 |
167
|
adantll |
|
169 |
151 168
|
sylan2 |
|
170 |
150 169
|
syl5 |
|
171 |
170
|
exp4b |
|
172 |
171
|
com23 |
|
173 |
172
|
imp32 |
|
174 |
149 173
|
syldd |
|
175 |
174
|
com23 |
|
176 |
175
|
imp |
|
177 |
4 176
|
mtoi |
|
178 |
177
|
ex |
|
179 |
144 178
|
syld |
|
180 |
140 179
|
jcad |
|
181 |
|
ordtri3or |
|
182 |
115 152 181
|
syl2an |
|
183 |
182
|
adantr |
|
184 |
|
3orel13 |
|
185 |
180 183 184
|
syl6ci |
|
186 |
185 144
|
jcad |
|
187 |
|
ffn |
|
188 |
|
ffn |
|
189 |
|
eqfnfv2 |
|
190 |
187 188 189
|
syl2an |
|
191 |
190
|
adantl |
|
192 |
186 191
|
sylibrd |
|
193 |
192
|
ex |
|
194 |
193
|
rexlimivv |
|
195 |
103 194
|
sylbi |
|
196 |
86 195
|
syl5 |
|
197 |
76 196
|
sylbird |
|
198 |
65 197
|
syl5bir |
|
199 |
54 198
|
sylbid |
|
200 |
199
|
orrd |
|
201 |
|
3orcomb |
|
202 |
|
df-3or |
|
203 |
201 202
|
bitr2i |
|
204 |
200 203
|
sylib |
|
205 |
204
|
rgen2 |
|
206 |
|
df-so |
|
207 |
7 205 206
|
mpbir2an |
|