Step |
Hyp |
Ref |
Expression |
1 |
|
ltrnu.l |
|
2 |
|
ltrnu.j |
|
3 |
|
ltrnu.m |
|
4 |
|
ltrnu.a |
|
5 |
|
ltrnu.h |
|
6 |
|
ltrnu.t |
|
7 |
|
an4 |
|
8 |
|
simpr |
|
9 |
|
simplr |
|
10 |
|
eqid |
|
11 |
1 2 3 4 5 10 6
|
isltrn |
|
12 |
11
|
ad2antrr |
|
13 |
|
simpr |
|
14 |
12 13
|
syl6bi |
|
15 |
9 14
|
mpd |
|
16 |
|
breq1 |
|
17 |
16
|
notbid |
|
18 |
17
|
anbi1d |
|
19 |
|
id |
|
20 |
|
fveq2 |
|
21 |
19 20
|
oveq12d |
|
22 |
21
|
oveq1d |
|
23 |
22
|
eqeq1d |
|
24 |
18 23
|
imbi12d |
|
25 |
|
breq1 |
|
26 |
25
|
notbid |
|
27 |
26
|
anbi2d |
|
28 |
|
id |
|
29 |
|
fveq2 |
|
30 |
28 29
|
oveq12d |
|
31 |
30
|
oveq1d |
|
32 |
31
|
eqeq2d |
|
33 |
27 32
|
imbi12d |
|
34 |
24 33
|
rspc2v |
|
35 |
8 15 34
|
sylc |
|
36 |
35
|
impr |
|
37 |
7 36
|
sylan2b |
|
38 |
37
|
3impb |
|