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| Mirrors > Home > MPE Home > Th. List > pm2.61i | Structured version Visualization version Unicode version | ||
| Description: Inference eliminating an antecedent. (Contributed by NM, 5-Apr-1994.) (Proof shortened by Wolf Lammen, 12-Sep-2013.) |
| Ref | Expression |
|---|---|
| pm2.61i.1 |
|
| pm2.61i.2 |
|
| Ref | Expression |
|---|---|
| pm2.61i |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | id 22 |
. 2
| |
| 2 | pm2.61i.2 |
. . 3
| |
| 3 | pm2.61i.1 |
. . 3
| |
| 4 | 2, 3 | ja 173 |
. 2
|
| 5 | 1, 4 | ax-mp 5 |
1
|
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