| Step |
Hyp |
Ref |
Expression |
| 1 |
|
mercolem3 |
|- ( ( ps -> ch ) -> ( ps -> ( ph -> ch ) ) ) |
| 2 |
|
mercolem8 |
|- ( ( ph -> ps ) -> ( ( ps -> ( ph -> ch ) ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) |
| 3 |
|
mercolem6 |
|- ( ( ( ph -> ps ) -> ( ( ps -> ( ph -> ch ) ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) -> ( ( ps -> ( ph -> ch ) ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) |
| 4 |
2 3
|
ax-mp |
|- ( ( ps -> ( ph -> ch ) ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) |
| 5 |
|
mercolem3 |
|- ( ( ( ps -> ( ph -> ch ) ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) -> ( ( ps -> ( ph -> ch ) ) -> ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) ) |
| 6 |
4 5
|
ax-mp |
|- ( ( ps -> ( ph -> ch ) ) -> ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) |
| 7 |
|
mercolem8 |
|- ( ( ( ps -> ch ) -> ( ps -> ( ph -> ch ) ) ) -> ( ( ( ps -> ( ph -> ch ) ) -> ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) -> ( ( ( ps -> ch ) -> ( ps -> ( ph -> ch ) ) ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) ) ) ) |
| 8 |
|
mercolem6 |
|- ( ( ( ( ps -> ch ) -> ( ps -> ( ph -> ch ) ) ) -> ( ( ( ps -> ( ph -> ch ) ) -> ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) -> ( ( ( ps -> ch ) -> ( ps -> ( ph -> ch ) ) ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) ) ) ) -> ( ( ( ps -> ( ph -> ch ) ) -> ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) -> ( ( ( ps -> ch ) -> ( ps -> ( ph -> ch ) ) ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) ) ) ) |
| 9 |
7 8
|
ax-mp |
|- ( ( ( ps -> ( ph -> ch ) ) -> ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) -> ( ( ( ps -> ch ) -> ( ps -> ( ph -> ch ) ) ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) ) ) |
| 10 |
6 9
|
ax-mp |
|- ( ( ( ps -> ch ) -> ( ps -> ( ph -> ch ) ) ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) ) |
| 11 |
1 10
|
ax-mp |
|- ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) |
| 12 |
|
mercolem6 |
|- ( ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) -> ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) ) |
| 13 |
11 12
|
ax-mp |
|- ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) |
| 14 |
|
mercolem6 |
|- ( ( ( ps -> ch ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) -> ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) ) |
| 15 |
13 14
|
ax-mp |
|- ( ( ph -> ps ) -> ( ( ps -> ch ) -> ( ph -> ch ) ) ) |