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Mirrors > Home > MPE Home > Th. List > simp2d | Structured version Visualization version Unicode version |
Description: Deduce a conjunct from a triple conjunction. (Contributed by NM, 4-Sep-2005.) |
Ref | Expression |
---|---|
3simp1d.1 |
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Ref | Expression |
---|---|
simp2d |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3simp1d.1 |
. 2
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2 | simp2 1010 |
. 2
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3 | 1, 2 | syl 17 |
1
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