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Mirrors > Home > ILE Home > Th. List > com4l | Unicode version |
Description: Commutation of antecedents. Rotate left. (Contributed by NM, 25-Apr-1994.) (Proof shortened by O'Cat, 15-Aug-2004.) |
Ref | Expression |
---|---|
com4.1 |
Ref | Expression |
---|---|
com4l |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | com4.1 | . . 3 | |
2 | 1 | com3l 81 | . 2 |
3 | 2 | com34 83 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 |
This theorem is referenced by: com4t 85 com4r 86 com14 88 com5l 92 3impd 1210 facwordi 10643 fiinopn 12569 |
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