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Mirrors > Home > MPE Home > Th. List > imnan | Unicode version |
Description: Express implication in terms of conjunction. (Contributed by NM, 9-Apr-1994.) |
Ref | Expression |
---|---|
imnan |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-an 371 | . 2 | |
2 | 1 | con2bii 332 | 1 |
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