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Description: 2 is a nonzero real number. (Contributed by David A. Wheeler, 8-Dec-2018)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | 2rene0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2re | ||
| 2 | 2ne0 | ||
| 3 | 1 2 | pm3.2i |