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| Mirrors > Home > ILE Home > Th. List > sylbid | Unicode version | ||
| Description: A syllogism deduction. (Contributed by NM, 3-Aug-1994.) | 
| Ref | Expression | 
|---|---|
| sylbid.1 | 
 | 
| sylbid.2 | 
 | 
| Ref | Expression | 
|---|---|
| sylbid | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | sylbid.1 | 
. . 3
 | |
| 2 | 1 | biimpd 144 | 
. 2
 | 
| 3 | sylbid.2 | 
. 2
 | |
| 4 | 2, 3 | syld 45 | 
1
 | 
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