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Description: The number 2 is nonzero. (Contributed by NM, 9-Nov-2007)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | 2ne0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2nn | ||
| 2 | 1 | nnne0i |