Step |
Hyp |
Ref |
Expression |
1 |
|
islpln5.b |
|
2 |
|
islpln5.l |
|
3 |
|
islpln5.j |
|
4 |
|
islpln5.a |
|
5 |
|
islpln5.p |
|
6 |
|
eqid |
|
7 |
1 2 3 4 6 5
|
islpln3 |
|
8 |
|
df-rex |
|
9 |
|
r19.41v |
|
10 |
|
an13 |
|
11 |
9 10
|
bitri |
|
12 |
11
|
exbii |
|
13 |
|
ovex |
|
14 |
|
an12 |
|
15 |
|
eleq1 |
|
16 |
|
breq2 |
|
17 |
16
|
notbid |
|
18 |
|
oveq1 |
|
19 |
18
|
eqeq2d |
|
20 |
17 19
|
anbi12d |
|
21 |
20
|
anbi2d |
|
22 |
|
3anass |
|
23 |
21 22
|
bitr4di |
|
24 |
15 23
|
anbi12d |
|
25 |
14 24
|
syl5bb |
|
26 |
25
|
rexbidv |
|
27 |
|
r19.42v |
|
28 |
|
r19.42v |
|
29 |
26 27 28
|
3bitr3g |
|
30 |
13 29
|
ceqsexv |
|
31 |
12 30
|
bitri |
|
32 |
|
simpll |
|
33 |
|
simprl |
|
34 |
|
simprr |
|
35 |
1 3 4
|
hlatjcl |
|
36 |
32 33 34 35
|
syl3anc |
|
37 |
36
|
biantrurd |
|
38 |
31 37
|
bitr4id |
|
39 |
38
|
2rexbidva |
|
40 |
|
rexcom4 |
|
41 |
40
|
rexbii |
|
42 |
|
rexcom4 |
|
43 |
41 42
|
bitri |
|
44 |
39 43
|
bitr3di |
|
45 |
|
rexcom |
|
46 |
45
|
rexbii |
|
47 |
|
rexcom |
|
48 |
46 47
|
bitri |
|
49 |
1 3 4 6
|
islln2 |
|
50 |
49
|
adantr |
|
51 |
50
|
anbi1d |
|
52 |
|
r19.42v |
|
53 |
|
r19.42v |
|
54 |
53
|
rexbii |
|
55 |
|
an32 |
|
56 |
52 54 55
|
3bitr4ri |
|
57 |
51 56
|
syl6bb |
|
58 |
57
|
rexbidv |
|
59 |
48 58
|
bitr4id |
|
60 |
|
r19.42v |
|
61 |
59 60
|
syl6bb |
|
62 |
61
|
exbidv |
|
63 |
44 62
|
bitrd |
|
64 |
8 63
|
bitr4id |
|
65 |
7 64
|
bitrd |
|