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| Mirrors > Home > MPE Home > Th. List > elioore | Structured version Visualization version Unicode version | ||
| Description: A member of an open interval of reals is a real. (Contributed by NM, 17-Aug-2008.) (Revised by Mario Carneiro, 3-Nov-2013.) |
| Ref | Expression |
|---|---|
| elioore |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elioo3g 12204 |
. 2
| |
| 2 | 3ancomb 1047 |
. . 3
| |
| 3 | xrre2 12001 |
. . 3
| |
| 4 | 2, 3 | sylanb 489 |
. 2
|
| 5 | 1, 4 | sylbi 207 |
1
|
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