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| Mirrors > Home > MPE Home > Th. List > ioossre | Structured version Visualization version Unicode version | ||
| Description: An open interval is a set of reals. (Contributed by NM, 31-May-2007.) |
| Ref | Expression |
|---|---|
| ioossre |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elioore 12205 |
. 2
| |
| 2 | 1 | ssriv 3607 |
1
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