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Mirrors > Home > ILE Home > Th. List > syl13anc | Unicode version |
Description: Syllogism combined with contraction. (Contributed by NM, 11-Mar-2012.) |
Ref | Expression |
---|---|
sylXanc.1 |
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sylXanc.2 |
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sylXanc.3 |
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sylXanc.4 |
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syl13anc.5 |
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Ref | Expression |
---|---|
syl13anc |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sylXanc.1 |
. 2
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2 | sylXanc.2 |
. . 3
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3 | sylXanc.3 |
. . 3
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4 | sylXanc.4 |
. . 3
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5 | 2, 3, 4 | 3jca 1177 |
. 2
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6 | syl13anc.5 |
. 2
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7 | 1, 5, 6 | syl2anc 411 |
1
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