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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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