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Mirrors > Home > ILE Home > Th. List > sylancl | Unicode version |
Description: Syllogism inference combined with modus ponens. (Contributed by Jeff Madsen, 2-Sep-2009.) |
Ref | Expression |
---|---|
sylancl.1 | |
sylancl.2 | |
sylancl.3 |
Ref | Expression |
---|---|
sylancl |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sylancl.1 | . 2 | |
2 | sylancl.2 | . . 3 | |
3 | 2 | a1i 9 | . 2 |
4 | sylancl.3 | . 2 | |
5 | 1, 3, 4 | syl2anc 409 | 1 |
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