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| Mirrors > Home > ILE Home > Th. List > sylan | Unicode version | ||
| Description: A syllogism inference. (Contributed by NM, 21-Apr-1994.) (Proof shortened by Wolf Lammen, 22-Nov-2012.) |
| Ref | Expression |
|---|---|
| sylan.1 |
|
| sylan.2 |
|
| Ref | Expression |
|---|---|
| sylan |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sylan.1 |
. 2
| |
| 2 | sylan.2 |
. . 3
| |
| 3 | 2 | expcom 116 |
. 2
|
| 4 | 1, 3 | mpan9 281 |
1
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