Step |
Hyp |
Ref |
Expression |
1 |
|
paddfval.l |
|
2 |
|
paddfval.j |
|
3 |
|
paddfval.a |
|
4 |
|
paddfval.p |
|
5 |
|
simpl1 |
|
6 |
|
simpl2 |
|
7 |
|
simpl3 |
|
8 |
7
|
snssd |
|
9 |
|
simpr |
|
10 |
|
snnzg |
|
11 |
7 10
|
syl |
|
12 |
1 2 3 4
|
elpaddn0 |
|
13 |
5 6 8 9 11 12
|
syl32anc |
|
14 |
|
oveq2 |
|
15 |
14
|
breq2d |
|
16 |
15
|
rexsng |
|
17 |
7 16
|
syl |
|
18 |
17
|
rexbidv |
|
19 |
18
|
anbi2d |
|
20 |
13 19
|
bitrd |
|