Step |
Hyp |
Ref |
Expression |
1 |
|
frege102d.r |
|
2 |
|
frege102d.a |
|
3 |
|
frege102d.b |
|
4 |
|
frege102d.c |
|
5 |
|
frege102d.ac |
|
6 |
|
frege102d.cb |
|
7 |
1
|
adantr |
|
8 |
2
|
adantr |
|
9 |
3
|
adantr |
|
10 |
4
|
adantr |
|
11 |
|
simpr |
|
12 |
6
|
adantr |
|
13 |
7 8 9 10 11 12
|
frege96d |
|
14 |
1
|
adantr |
|
15 |
|
simpr |
|
16 |
6
|
adantr |
|
17 |
15 16
|
eqbrtrd |
|
18 |
14 17
|
frege91d |
|
19 |
13 18 5
|
mpjaodan |
|