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| Mirrors > Home > MPE Home > Th. List > syl5ibcom | Structured version Visualization version Unicode version | ||
| Description: A mixed syllogism inference. (Contributed by NM, 19-Jun-2007.) |
| Ref | Expression |
|---|---|
| syl5ib.1 |
|
| syl5ib.2 |
|
| Ref | Expression |
|---|---|
| syl5ibcom |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl5ib.1 |
. . 3
| |
| 2 | syl5ib.2 |
. . 3
| |
| 3 | 1, 2 | syl5ib 234 |
. 2
|
| 4 | 3 | com12 32 |
1
|
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