Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > com23 | Unicode version |
Description: Commutation of antecedents. Swap 2nd and 3rd. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen, 4-Aug-2012.) |
Ref | Expression |
---|---|
com3.1 |
Ref | Expression |
---|---|
com23 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | com3.1 | . 2 | |
2 | pm2.27 40 | . 2 | |
3 | 1, 2 | syl9 72 | 1 |
Copyright terms: Public domain | W3C validator |