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Mirrors > Home > ILE Home > Th. List > syl3anc | Unicode version |
Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.) |
Ref | Expression |
---|---|
sylXanc.1 | |
sylXanc.2 | |
sylXanc.3 | |
syl111anc.4 |
Ref | Expression |
---|---|
syl3anc |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sylXanc.1 | . . 3 | |
2 | sylXanc.2 | . . 3 | |
3 | sylXanc.3 | . . 3 | |
4 | 1, 2, 3 | 3jca 1172 | . 2 |
5 | syl111anc.4 | . 2 | |
6 | 4, 5 | syl 14 | 1 |
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