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Mirrors > Home > MPE Home > Th. List > syl122anc | Structured version Visualization version Unicode version |
Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.) |
Ref | Expression |
---|---|
syl12anc.1 | |
syl12anc.2 | |
syl12anc.3 | |
syl22anc.4 | |
syl23anc.5 | |
syl122anc.6 |
Ref | Expression |
---|---|
syl122anc |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl12anc.1 | . 2 | |
2 | syl12anc.2 | . 2 | |
3 | syl12anc.3 | . 2 | |
4 | syl22anc.4 | . . 3 | |
5 | syl23anc.5 | . . 3 | |
6 | 4, 5 | jca 554 | . 2 |
7 | syl122anc.6 | . 2 | |
8 | 1, 2, 3, 6, 7 | syl121anc 1331 | 1 |
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