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Mirrors > Home > ILE 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 422 | . 2 |
5 | 1, 4 | ax-mp 5 | 1 |
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