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Mirrors > Home > MPE Home > Th. List > prmnn | Structured version Visualization version Unicode version |
Description: A prime number is a positive integer. (Contributed by Paul Chapman, 22-Jun-2011.) |
Ref | Expression |
---|---|
prmnn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | isprm 15387 | . 2 | |
2 | 1 | simplbi 476 | 1 |
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