Step |
Hyp |
Ref |
Expression |
1 |
|
2ndcctbss.1 |
|
2 |
|
2ndcctbss.2 |
|
3 |
|
simpr |
|
4 |
|
is2ndc |
|
5 |
3 4
|
sylib |
|
6 |
|
vex |
|
7 |
6 6
|
xpex |
|
8 |
|
3simpa |
|
9 |
8
|
ssopab2i |
|
10 |
|
df-xp |
|
11 |
9 2 10
|
3sstr4i |
|
12 |
|
ssdomg |
|
13 |
7 11 12
|
mp2 |
|
14 |
6
|
xpdom1 |
|
15 |
|
omex |
|
16 |
15
|
xpdom2 |
|
17 |
|
domtr |
|
18 |
14 16 17
|
syl2anc |
|
19 |
|
xpomen |
|
20 |
|
domentr |
|
21 |
18 19 20
|
sylancl |
|
22 |
21
|
adantr |
|
23 |
22
|
ad2antll |
|
24 |
|
domtr |
|
25 |
13 23 24
|
sylancr |
|
26 |
2
|
relopabiv |
|
27 |
|
simpr |
|
28 |
|
1st2nd |
|
29 |
26 27 28
|
sylancr |
|
30 |
29 27
|
eqeltrrd |
|
31 |
|
df-br |
|
32 |
|
fvex |
|
33 |
|
fvex |
|
34 |
|
simpl |
|
35 |
34
|
eleq1d |
|
36 |
|
simpr |
|
37 |
36
|
eleq1d |
|
38 |
|
sseq1 |
|
39 |
|
sseq2 |
|
40 |
38 39
|
bi2anan9 |
|
41 |
40
|
rexbidv |
|
42 |
35 37 41
|
3anbi123d |
|
43 |
32 33 42 2
|
braba |
|
44 |
31 43
|
bitr3i |
|
45 |
44
|
simp3bi |
|
46 |
30 45
|
syl |
|
47 |
|
fvi |
|
48 |
47
|
ad3antrrr |
|
49 |
48
|
rexeqdv |
|
50 |
46 49
|
mpbird |
|
51 |
50
|
ralrimiva |
|
52 |
|
fvex |
|
53 |
|
sseq2 |
|
54 |
|
sseq1 |
|
55 |
53 54
|
anbi12d |
|
56 |
52 55
|
axcc4dom |
|
57 |
25 51 56
|
syl2anc |
|
58 |
47
|
ad2antrr |
|
59 |
58
|
feq3d |
|
60 |
59
|
anbi1d |
|
61 |
|
2ndctop |
|
62 |
61
|
adantl |
|
63 |
62
|
ad2antrr |
|
64 |
|
frn |
|
65 |
64
|
ad2antrl |
|
66 |
|
bastg |
|
67 |
66
|
ad3antrrr |
|
68 |
67 1
|
sseqtrrdi |
|
69 |
65 68
|
sstrd |
|
70 |
|
simprrl |
|
71 |
|
simprr |
|
72 |
71
|
ad2antlr |
|
73 |
70 72
|
eleqtrrd |
|
74 |
|
simprrr |
|
75 |
|
tg2 |
|
76 |
73 74 75
|
syl2anc |
|
77 |
|
bastg |
|
78 |
77
|
ad2antrl |
|
79 |
78
|
ad2antrr |
|
80 |
1
|
eqeq2i |
|
81 |
80
|
biimpi |
|
82 |
81
|
adantl |
|
83 |
82
|
ad2antll |
|
84 |
83
|
ad2antrr |
|
85 |
79 84
|
sseqtrd |
|
86 |
|
simprl |
|
87 |
85 86
|
sseldd |
|
88 |
|
simprrl |
|
89 |
|
tg2 |
|
90 |
87 88 89
|
syl2anc |
|
91 |
66
|
ad3antrrr |
|
92 |
91
|
ad2antrr |
|
93 |
72
|
ad2antrr |
|
94 |
93 1
|
eqtr2di |
|
95 |
92 94
|
sseqtrd |
|
96 |
|
simprl |
|
97 |
95 96
|
sseldd |
|
98 |
|
simprrl |
|
99 |
|
tg2 |
|
100 |
97 98 99
|
syl2anc |
|
101 |
|
ffn |
|
102 |
101
|
ad2antrr |
|
103 |
102
|
ad2antlr |
|
104 |
103
|
ad2antrr |
|
105 |
|
simprl |
|
106 |
86
|
ad2antrr |
|
107 |
|
simplrl |
|
108 |
|
simprrr |
|
109 |
|
simprr |
|
110 |
109
|
ad2antlr |
|
111 |
|
sseq2 |
|
112 |
|
sseq1 |
|
113 |
111 112
|
anbi12d |
|
114 |
113
|
rspcev |
|
115 |
107 108 110 114
|
syl12anc |
|
116 |
|
df-br |
|
117 |
|
vex |
|
118 |
|
vex |
|
119 |
|
simpl |
|
120 |
119
|
eleq1d |
|
121 |
|
simpr |
|
122 |
121
|
eleq1d |
|
123 |
|
sseq1 |
|
124 |
|
sseq2 |
|
125 |
123 124
|
bi2anan9 |
|
126 |
125
|
rexbidv |
|
127 |
120 122 126
|
3anbi123d |
|
128 |
117 118 127 2
|
braba |
|
129 |
116 128
|
bitr3i |
|
130 |
105 106 115 129
|
syl3anbrc |
|
131 |
|
fnfvelrn |
|
132 |
104 130 131
|
syl2anc |
|
133 |
|
simprl |
|
134 |
|
simplll |
|
135 |
|
simplrl |
|
136 |
|
simprrr |
|
137 |
109
|
ad2antlr |
|
138 |
135 136 137 114
|
syl12anc |
|
139 |
133 134 138 129
|
syl3anbrc |
|
140 |
|
fveq2 |
|
141 |
|
fveq2 |
|
142 |
140 141
|
sseq12d |
|
143 |
|
fveq2 |
|
144 |
141 143
|
sseq12d |
|
145 |
142 144
|
anbi12d |
|
146 |
145
|
rspcv |
|
147 |
139 146
|
syl |
|
148 |
117 118
|
op1st |
|
149 |
148
|
sseq1i |
|
150 |
117 118
|
op2nd |
|
151 |
150
|
sseq2i |
|
152 |
149 151
|
anbi12i |
|
153 |
|
simprl |
|
154 |
|
simprl |
|
155 |
154
|
ad2antlr |
|
156 |
153 155
|
sseldd |
|
157 |
|
simprr |
|
158 |
|
simplrr |
|
159 |
158
|
ad2antrr |
|
160 |
157 159
|
sstrd |
|
161 |
156 160
|
jca |
|
162 |
161
|
ex |
|
163 |
152 162
|
syl5bi |
|
164 |
147 163
|
syldc |
|
165 |
164
|
exp4c |
|
166 |
165
|
ad2antlr |
|
167 |
166
|
adantl |
|
168 |
167
|
imp41 |
|
169 |
|
eleq2 |
|
170 |
|
sseq1 |
|
171 |
169 170
|
anbi12d |
|
172 |
171
|
rspcev |
|
173 |
132 168 172
|
syl2anc |
|
174 |
100 173
|
rexlimddv |
|
175 |
90 174
|
rexlimddv |
|
176 |
76 175
|
rexlimddv |
|
177 |
176
|
expr |
|
178 |
177
|
ralrimivv |
|
179 |
|
basgen2 |
|
180 |
63 69 178 179
|
syl3anc |
|
181 |
180 63
|
eqeltrd |
|
182 |
|
tgclb |
|
183 |
181 182
|
sylibr |
|
184 |
|
omelon |
|
185 |
25
|
adantr |
|
186 |
|
ondomen |
|
187 |
184 185 186
|
sylancr |
|
188 |
101
|
ad2antrl |
|
189 |
|
dffn4 |
|
190 |
188 189
|
sylib |
|
191 |
|
fodomnum |
|
192 |
187 190 191
|
sylc |
|
193 |
|
domtr |
|
194 |
192 185 193
|
syl2anc |
|
195 |
180
|
eqcomd |
|
196 |
|
breq1 |
|
197 |
|
sseq1 |
|
198 |
|
fveq2 |
|
199 |
198
|
eqeq2d |
|
200 |
196 197 199
|
3anbi123d |
|
201 |
200
|
rspcev |
|
202 |
183 194 65 195 201
|
syl13anc |
|
203 |
202
|
ex |
|
204 |
60 203
|
sylbid |
|
205 |
204
|
exlimdv |
|
206 |
57 205
|
mpd |
|
207 |
5 206
|
rexlimddv |
|