Step |
Hyp |
Ref |
Expression |
1 |
|
ssltex1 |
|
2 |
|
ssltss1 |
|
3 |
1 2
|
elpwd |
|
4 |
|
df-br |
|
5 |
4
|
biimpi |
|
6 |
|
ssltex2 |
|
7 |
|
elimasng |
|
8 |
1 6 7
|
syl2anc |
|
9 |
5 8
|
mpbird |
|
10 |
|
riotaex |
|
11 |
|
breq1 |
|
12 |
|
breq2 |
|
13 |
11 12
|
bi2anan9 |
|
14 |
13
|
rabbidv |
|
15 |
14
|
imaeq2d |
|
16 |
15
|
inteqd |
|
17 |
16
|
eqeq2d |
|
18 |
14 17
|
riotaeqbidv |
|
19 |
|
sneq |
|
20 |
19
|
imaeq2d |
|
21 |
|
df-scut |
|
22 |
18 20 21
|
ovmpox |
|
23 |
10 22
|
mp3an3 |
|
24 |
3 9 23
|
syl2anc |
|