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| Mirrors > Home > MPE Home > Th. List > mpisyl | Structured version Visualization version Unicode version | ||
| Description: A syllogism combined with a modus ponens inference. (Contributed by Alan Sare, 25-Jul-2011.) |
| Ref | Expression |
|---|---|
| mpisyl.1 |
|
| mpisyl.2 |
|
| mpisyl.3 |
|
| Ref | Expression |
|---|---|
| mpisyl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpisyl.1 |
. 2
| |
| 2 | mpisyl.2 |
. . 3
| |
| 3 | mpisyl.3 |
. . 3
| |
| 4 | 2, 3 | mpi 20 |
. 2
|
| 5 | 1, 4 | syl 17 |
1
|
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