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| Mirrors > Home > ILE Home > Th. List > sylancr | Unicode version | ||
| Description: Syllogism inference combined with modus ponens. (Contributed by Jeff Madsen, 2-Sep-2009.) | 
| Ref | Expression | 
|---|---|
| sylancr.1 | 
 | 
| sylancr.2 | 
 | 
| sylancr.3 | 
 | 
| Ref | Expression | 
|---|---|
| sylancr | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | sylancr.1 | 
. . 3
 | |
| 2 | 1 | a1i 9 | 
. 2
 | 
| 3 | sylancr.2 | 
. 2
 | |
| 4 | sylancr.3 | 
. 2
 | |
| 5 | 2, 3, 4 | syl2anc 411 | 
1
 | 
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