Step |
Hyp |
Ref |
Expression |
1 |
|
chsh |
|
2 |
|
shocsh |
|
3 |
|
shsel |
|
4 |
1 2 3
|
syl2anc2 |
|
5 |
4
|
biimpa |
|
6 |
1 2
|
syl |
|
7 |
|
ocin |
|
8 |
1 7
|
syl |
|
9 |
|
pjhthmo |
|
10 |
1 6 8 9
|
syl3anc |
|
11 |
10
|
adantr |
|
12 |
|
reu5 |
|
13 |
|
df-rmo |
|
14 |
13
|
anbi2i |
|
15 |
12 14
|
bitri |
|
16 |
5 11 15
|
sylanbrc |
|
17 |
|
riotacl |
|
18 |
16 17
|
syl |
|
19 |
|
eleq1 |
|
20 |
18 19
|
syl5ibcom |
|
21 |
20
|
pm4.71rd |
|
22 |
|
shsss |
|
23 |
1 2 22
|
syl2anc2 |
|
24 |
23
|
sselda |
|
25 |
|
pjhval |
|
26 |
24 25
|
syldan |
|
27 |
26
|
eqeq1d |
|
28 |
|
id |
|
29 |
|
oveq1 |
|
30 |
29
|
eqeq2d |
|
31 |
30
|
rexbidv |
|
32 |
31
|
riota2 |
|
33 |
28 16 32
|
syl2anr |
|
34 |
33
|
pm5.32da |
|
35 |
21 27 34
|
3bitr4d |
|