Step |
Hyp |
Ref |
Expression |
1 |
|
caragensal.o |
|
2 |
|
caragensal.s |
|
3 |
1 2
|
caragen0 |
|
4 |
1
|
adantr |
|
5 |
|
simpr |
|
6 |
4 2 5
|
caragendifcl |
|
7 |
6
|
ralrimiva |
|
8 |
1
|
ad2antrr |
|
9 |
|
elpwi |
|
10 |
9
|
ad2antlr |
|
11 |
|
simpr |
|
12 |
8 2 10 11
|
caragenunicl |
|
13 |
12
|
ex |
|
14 |
13
|
ralrimiva |
|
15 |
3 7 14
|
3jca |
|
16 |
2
|
fvexi |
|
17 |
16
|
a1i |
|
18 |
|
issal |
|
19 |
17 18
|
syl |
|
20 |
15 19
|
mpbird |
|