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Mirrors > Home > ILE Home > Th. List > expt | Unicode version |
Description: Exportation theorem expressed with primitive connectives. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
expt |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pm3.2im 598 | . . 3 | |
2 | 1 | imim1d 74 | . 2 |
3 | 2 | com12 30 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-in1 576 ax-in2 577 |
This theorem is referenced by: (None) |
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