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Mirrors > Home > ILE Home > Th. List > com13 | Unicode version |
Description: Commutation of antecedents. Swap 1st and 3rd. (Contributed by NM, 25-Apr-1994.) (Proof shortened by Wolf Lammen, 28-Jul-2012.) |
Ref | Expression |
---|---|
com3.1 |
Ref | Expression |
---|---|
com13 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | com3.1 | . . 3 | |
2 | 1 | com3r 78 | . 2 |
3 | 2 | com23 77 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 |
This theorem is referenced by: com24 86 an13s 531 an31s 534 funopg 4954 f1o2ndf1 5869 brecop 6219 elfz0ubfz0 9136 elfz0fzfz0 9137 fz0fzelfz0 9138 fz0fzdiffz0 9141 fzo1fzo0n0 9192 elfzodifsumelfzo 9210 ssfzo12 9233 ssfzo12bi 9234 facwordi 9667 oddnn02np1 10280 oddge22np1 10281 evennn02n 10282 evennn2n 10283 dfgcd2 10403 sqrt2irr 10541 bj-inf2vnlem2 10766 |
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