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| Mirrors > Home > NFE Home > Th. List > mp2an | Unicode version | ||
| Description: An inference based on modus ponens. (Contributed by NM, 13-Apr-1995.) |
| Ref | Expression |
|---|---|
| mp2an.1 |
|
| mp2an.2 |
|
| mp2an.3 |
|
| Ref | Expression |
|---|---|
| mp2an |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mp2an.2 |
. 2
| |
| 2 | mp2an.1 |
. . 3
| |
| 3 | mp2an.3 |
. . 3
| |
| 4 | 2, 3 | mpan 651 |
. 2
|
| 5 | 1, 4 | ax-mp 5 |
1
|
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