Step |
Hyp |
Ref |
Expression |
1 |
|
simpr |
|
2 |
|
predel |
|
3 |
2
|
3ad2ant2 |
|
4 |
3
|
adantr |
|
5 |
|
brxp |
|
6 |
1 4 5
|
sylanbrc |
|
7 |
|
brin |
|
8 |
|
predbrg |
|
9 |
8
|
ancoms |
|
10 |
9
|
3adant1 |
|
11 |
10
|
adantr |
|
12 |
|
simpl3 |
|
13 |
|
brxp |
|
14 |
4 12 13
|
sylanbrc |
|
15 |
|
brin |
|
16 |
11 14 15
|
sylanbrc |
|
17 |
|
breq2 |
|
18 |
|
breq1 |
|
19 |
17 18
|
anbi12d |
|
20 |
19
|
spcegv |
|
21 |
20
|
3ad2ant2 |
|
22 |
21
|
adantr |
|
23 |
|
vex |
|
24 |
|
brcog |
|
25 |
23 12 24
|
sylancr |
|
26 |
22 25
|
sylibrd |
|
27 |
|
simpl1 |
|
28 |
27
|
ssbrd |
|
29 |
26 28
|
syld |
|
30 |
16 29
|
mpan2d |
|
31 |
7 30
|
syl5bir |
|
32 |
6 31
|
mpan2d |
|
33 |
32
|
imdistanda |
|
34 |
23
|
elpred |
|
35 |
34
|
3ad2ant2 |
|
36 |
23
|
elpred |
|
37 |
36
|
3ad2ant3 |
|
38 |
33 35 37
|
3imtr4d |
|
39 |
38
|
ssrdv |
|