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Mirrors > Home > MPE Home > Th. List > com34 | Structured version Visualization version Unicode version |
Description: Commutation of antecedents. Swap 3rd and 4th. (Contributed by NM, 25-Apr-1994.) |
Ref | Expression |
---|---|
com4.1 |
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Ref | Expression |
---|---|
com34 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | com4.1 |
. 2
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2 | pm2.04 85 |
. 2
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3 | 1, 2 | syl6 34 |
1
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