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Mirrors > Home > MPE Home > Th. List > syl121anc | Unicode version |
Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.) |
Ref | Expression |
---|---|
sylXanc.1 | |
sylXanc.2 | |
sylXanc.3 | |
sylXanc.4 | |
syl121anc.5 |
Ref | Expression |
---|---|
syl121anc |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sylXanc.1 | . 2 | |
2 | sylXanc.2 | . . 3 | |
3 | sylXanc.3 | . . 3 | |
4 | 2, 3 | jca 532 | . 2 |
5 | sylXanc.4 | . 2 | |
6 | syl121anc.5 | . 2 | |
7 | 1, 4, 5, 6 | syl3anc 1228 | 1 |
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