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Mirrors > Home > MPE Home > Th. List > rexri | Structured version Visualization version Unicode version |
Description: A standard real is an extended real (inference form.) (Contributed by David Moews, 28-Feb-2017.) |
Ref | Expression |
---|---|
rexri.1 |
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Ref | Expression |
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rexri |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rexri.1 |
. 2
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2 | rexr 9711 |
. 2
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3 | 1, 2 | ax-mp 5 |
1
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