Step |
Hyp |
Ref |
Expression |
1 |
|
lmmbr.2 |
|
2 |
|
lmmbr.3 |
|
3 |
1 2
|
lmmbr |
|
4 |
|
df-3an |
|
5 |
|
uzf |
|
6 |
|
ffn |
|
7 |
|
reseq2 |
|
8 |
|
id |
|
9 |
7 8
|
feq12d |
|
10 |
9
|
rexrn |
|
11 |
5 6 10
|
mp2b |
|
12 |
|
simp2l |
|
13 |
|
elfvdm |
|
14 |
13
|
3ad2ant1 |
|
15 |
|
cnex |
|
16 |
|
elpmg |
|
17 |
14 15 16
|
sylancl |
|
18 |
12 17
|
mpbid |
|
19 |
18
|
simpld |
|
20 |
|
ffvresb |
|
21 |
19 20
|
syl |
|
22 |
|
rpxr |
|
23 |
|
elbl |
|
24 |
22 23
|
syl3an3 |
|
25 |
|
xmetsym |
|
26 |
25
|
breq1d |
|
27 |
26
|
3expa |
|
28 |
27
|
pm5.32da |
|
29 |
28
|
3adant3 |
|
30 |
24 29
|
bitrd |
|
31 |
30
|
3adant2l |
|
32 |
31
|
anbi2d |
|
33 |
|
3anass |
|
34 |
32 33
|
bitr4di |
|
35 |
34
|
ralbidv |
|
36 |
21 35
|
bitrd |
|
37 |
36
|
rexbidv |
|
38 |
11 37
|
syl5bb |
|
39 |
38
|
3expa |
|
40 |
39
|
ralbidva |
|
41 |
40
|
pm5.32da |
|
42 |
2 41
|
syl |
|
43 |
4 42
|
syl5bb |
|
44 |
|
df-3an |
|
45 |
43 44
|
bitr4di |
|
46 |
3 45
|
bitrd |
|