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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. Deduction associated with com23 86. Double deduction associated with com12 32. (Contributed by NM, 25-Apr-1994.) |
Ref | Expression |
---|---|
com4.1 |
Ref | Expression |
---|---|
com34 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | com4.1 | . 2 | |
2 | pm2.04 90 | . 2 | |
3 | 1, 2 | syl6 35 | 1 |
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