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Mirrors > Home > MPE Home > Th. List > rpcnne0d | Structured version Visualization version Unicode version |
Description: A positive real is a nonzero complex number. (Contributed by Mario Carneiro, 28-May-2016.) |
Ref | Expression |
---|---|
rpred.1 |
Ref | Expression |
---|---|
rpcnne0d |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rpred.1 | . . 3 | |
2 | 1 | rpcnd 11874 | . 2 |
3 | 1 | rpne0d 11877 | . 2 |
4 | 2, 3 | jca 554 | 1 |
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