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| Mirrors > Home > MPE Home > Th. List > mpi | Structured version Visualization version Unicode version | ||
| Description: A nested modus ponens inference. Inference associated with com12 32. (Contributed by NM, 29-Dec-1992.) (Proof shortened by Stefan Allan, 20-Mar-2006.) |
| Ref | Expression |
|---|---|
| mpi.1 |
|
| mpi.2 |
|
| Ref | Expression |
|---|---|
| mpi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpi.1 |
. . 3
| |
| 2 | 1 | a1i 11 |
. 2
|
| 3 | mpi.2 |
. 2
| |
| 4 | 2, 3 | mpd 15 |
1
|
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