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| Mirrors > Home > MPE Home > Th. List > pm2.61dan | Structured version Visualization version Unicode version | ||
| Description: Elimination of an antecedent. (Contributed by NM, 1-Jan-2005.) |
| Ref | Expression |
|---|---|
| pm2.61dan.1 |
|
| pm2.61dan.2 |
|
| Ref | Expression |
|---|---|
| pm2.61dan |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pm2.61dan.1 |
. . 3
| |
| 2 | 1 | ex 450 |
. 2
|
| 3 | pm2.61dan.2 |
. . 3
| |
| 4 | 3 | ex 450 |
. 2
|
| 5 | 2, 4 | pm2.61d 170 |
1
|
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