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| Mirrors > Home > MPE Home > Th. List > sylan2br | Structured version Visualization version Unicode version | ||
| Description: A syllogism inference. (Contributed by NM, 21-Apr-1994.) |
| Ref | Expression |
|---|---|
| sylan2br.1 |
|
| sylan2br.2 |
|
| Ref | Expression |
|---|---|
| sylan2br |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sylan2br.1 |
. . 3
| |
| 2 | 1 | biimpri 218 |
. 2
|
| 3 | sylan2br.2 |
. 2
| |
| 4 | 2, 3 | sylan2 491 |
1
|
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