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Mirrors > Home > ILE Home > Th. List > com24 | Unicode version |
Description: Commutation of antecedents. Swap 2nd and 4th. (Contributed by NM, 25-Apr-1994.) (Proof shortened by Wolf Lammen, 28-Jul-2012.) |
Ref | Expression |
---|---|
com4.1 |
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Ref | Expression |
---|---|
com24 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | com4.1 |
. . 3
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2 | 1 | com4t 85 |
. 2
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3 | 2 | com13 80 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 |
This theorem is referenced by: com25 91 tfrlem9 6098 nnmordi 6289 fundmen 6577 fiintim 6693 elfzodifsumelfzo 9673 ssfzo12 9696 |
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