| Step |
Hyp |
Ref |
Expression |
| 1 |
|
merco1 |
|
| 2 |
|
merco1lem17 |
|
| 3 |
1 2
|
ax-mp |
|
| 4 |
|
merco1lem17 |
|
| 5 |
3 4
|
ax-mp |
|
| 6 |
|
merco1lem5 |
|
| 7 |
|
merco1lem3 |
|
| 8 |
6 7
|
ax-mp |
|
| 9 |
|
merco1lem5 |
|
| 10 |
8 9
|
ax-mp |
|
| 11 |
|
merco1lem4 |
|
| 12 |
10 11
|
ax-mp |
|
| 13 |
|
merco1 |
|
| 14 |
|
merco1lem2 |
|
| 15 |
13 14
|
ax-mp |
|
| 16 |
12 15
|
ax-mp |
|
| 17 |
|
merco1lem9 |
|
| 18 |
16 17
|
ax-mp |
|
| 19 |
5 18
|
ax-mp |
|