Step |
Hyp |
Ref |
Expression |
1 |
|
cnvopab |
|
2 |
|
3ancoma |
|
3 |
|
ffvelrn |
|
4 |
|
ax-his1 |
|
5 |
3 4
|
sylan |
|
6 |
5
|
adantrl |
|
7 |
|
ffvelrn |
|
8 |
|
ax-his1 |
|
9 |
7 8
|
sylan2 |
|
10 |
9
|
adantll |
|
11 |
6 10
|
eqeq12d |
|
12 |
11
|
ancoms |
|
13 |
|
hicl |
|
14 |
3 13
|
sylan2 |
|
15 |
14
|
adantll |
|
16 |
|
hicl |
|
17 |
7 16
|
sylan |
|
18 |
17
|
adantrl |
|
19 |
|
cj11 |
|
20 |
15 18 19
|
syl2anc |
|
21 |
12 20
|
bitr2d |
|
22 |
21
|
an4s |
|
23 |
22
|
anassrs |
|
24 |
|
eqcom |
|
25 |
23 24
|
bitrdi |
|
26 |
25
|
ralbidva |
|
27 |
26
|
ralbidva |
|
28 |
|
ralcom |
|
29 |
27 28
|
bitrdi |
|
30 |
29
|
pm5.32i |
|
31 |
|
df-3an |
|
32 |
|
df-3an |
|
33 |
30 31 32
|
3bitr4i |
|
34 |
2 33
|
bitri |
|
35 |
34
|
opabbii |
|
36 |
1 35
|
eqtri |
|
37 |
|
dfadj2 |
|
38 |
37
|
cnveqi |
|
39 |
|
dfadj2 |
|
40 |
36 38 39
|
3eqtr4i |
|