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Mirrors > Home > MPE Home > Th. List > rexrd | Structured version Visualization version Unicode version |
Description: A standard real is an extended real. (Contributed by Mario Carneiro, 28-May-2016.) |
Ref | Expression |
---|---|
rexrd.1 |
Ref | Expression |
---|---|
rexrd |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ressxr 10083 | . 2 | |
2 | rexrd.1 | . 2 | |
3 | 1, 2 | sseldi 3601 | 1 |
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