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| Mirrors > Home > ILE Home > Th. List > mpcom | Unicode version | ||
| Description: Modus ponens inference with commutation of antecedents. (Contributed by NM, 17-Mar-1996.) |
| Ref | Expression |
|---|---|
| mpcom.1 |
|
| mpcom.2 |
|
| Ref | Expression |
|---|---|
| mpcom |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpcom.1 |
. 2
| |
| 2 | mpcom.2 |
. . 3
| |
| 3 | 2 | com12 30 |
. 2
|
| 4 | 1, 3 | mpd 13 |
1
|
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