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Mirrors > Home > MPE Home > Th. List > sylan2b | Structured version Visualization version Unicode version |
Description: A syllogism inference. (Contributed by NM, 21-Apr-1994.) |
Ref | Expression |
---|---|
sylan2b.1 | |
sylan2b.2 |
Ref | Expression |
---|---|
sylan2b |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sylan2b.1 | . . 3 | |
2 | 1 | biimpi 206 | . 2 |
3 | sylan2b.2 | . 2 | |
4 | 2, 3 | sylan2 491 | 1 |
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