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| Mirrors > Home > ILE Home > Th. List > sylan2 | Unicode version | ||
| Description: A syllogism inference. (Contributed by NM, 21-Apr-1994.) (Proof shortened by Wolf Lammen, 22-Nov-2012.) | 
| Ref | Expression | 
|---|---|
| sylan2.1 | 
 | 
| sylan2.2 | 
 | 
| Ref | Expression | 
|---|---|
| sylan2 | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | sylan2.1 | 
. . 3
 | |
| 2 | 1 | adantl 277 | 
. 2
 | 
| 3 | sylan2.2 | 
. 2
 | |
| 4 | 2, 3 | syldan 282 | 
1
 | 
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