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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 |
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syl12anc.2 |
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syl12anc.3 |
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syl22anc.4 |
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syl23anc.5 |
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syl122anc.6 |
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Ref | Expression |
---|---|
syl122anc |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl12anc.1 |
. 2
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2 | syl12anc.2 |
. 2
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3 | syl12anc.3 |
. 2
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4 | syl22anc.4 |
. . 3
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5 | syl23anc.5 |
. . 3
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6 | 4, 5 | jca 554 |
. 2
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7 | syl122anc.6 |
. 2
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8 | 1, 2, 3, 6, 7 | syl121anc 1331 |
1
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