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Mirrors > Home > ILE Home > Th. List > syl22anc | Unicode version |
Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.) |
Ref | Expression |
---|---|
sylXanc.1 | |
sylXanc.2 | |
sylXanc.3 | |
sylXanc.4 | |
syl22anc.5 |
Ref | Expression |
---|---|
syl22anc |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sylXanc.1 | . . 3 | |
2 | sylXanc.2 | . . 3 | |
3 | 1, 2 | jca 304 | . 2 |
4 | sylXanc.3 | . 2 | |
5 | sylXanc.4 | . 2 | |
6 | syl22anc.5 | . 2 | |
7 | 3, 4, 5, 6 | syl12anc 1225 | 1 |
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