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Mirrors > Home > MPE Home > Th. List > 3expb | Structured version Visualization version Unicode version |
Description: Exportation from triple to double conjunction. (Contributed by NM, 20-Aug-1995.) |
Ref | Expression |
---|---|
3exp.1 |
Ref | Expression |
---|---|
3expb |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3exp.1 | . . 3 | |
2 | 1 | 3exp 1264 | . 2 |
3 | 2 | imp32 449 | 1 |
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