| Step |
Hyp |
Ref |
Expression |
| 1 |
|
adj1 |
|
| 2 |
|
simp2 |
|
| 3 |
|
dmadjop |
|
| 4 |
3
|
ffvelcdmda |
|
| 5 |
4
|
3adant2 |
|
| 6 |
|
ax-his1 |
|
| 7 |
2 5 6
|
syl2anc |
|
| 8 |
|
adjcl |
|
| 9 |
8
|
3adant3 |
|
| 10 |
|
simp3 |
|
| 11 |
|
ax-his1 |
|
| 12 |
9 10 11
|
syl2anc |
|
| 13 |
1 7 12
|
3eqtr3d |
|
| 14 |
|
hicl |
|
| 15 |
5 2 14
|
syl2anc |
|
| 16 |
|
hicl |
|
| 17 |
10 9 16
|
syl2anc |
|
| 18 |
|
cj11 |
|
| 19 |
15 17 18
|
syl2anc |
|
| 20 |
13 19
|
mpbid |
|
| 21 |
20
|
3com23 |
|