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| Mirrors > Home > ILE Home > Th. List > mpd | Unicode version | ||
| Description: A modus ponens deduction. (Contributed by NM, 5-Aug-1993.) | 
| Ref | Expression | 
|---|---|
| mpd.1 | 
 | 
| mpd.2 | 
 | 
| Ref | Expression | 
|---|---|
| mpd | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | mpd.1 | 
. 2
 | |
| 2 | mpd.2 | 
. . 3
 | |
| 3 | 2 | a2i 11 | 
. 2
 | 
| 4 | 1, 3 | ax-mp 5 | 
1
 | 
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