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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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