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| Mirrors > Home > MPE Home > Th. List > tgioo2 | Structured version Visualization version Unicode version | ||
| Description: The standard topology on the reals is a subspace of the complex metric topology. (Contributed by Mario Carneiro, 13-Aug-2014.) |
| Ref | Expression |
|---|---|
| tgioo2.1 |
|
| Ref | Expression |
|---|---|
| tgioo2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2622 |
. 2
| |
| 2 | cnxmet 22576 |
. . 3
| |
| 3 | ax-resscn 9993 |
. . 3
| |
| 4 | tgioo2.1 |
. . . . 5
| |
| 5 | 4 | cnfldtopn 22585 |
. . . 4
|
| 6 | eqid 2622 |
. . . 4
| |
| 7 | 1, 5, 6 | metrest 22329 |
. . 3
|
| 8 | 2, 3, 7 | mp2an 708 |
. 2
|
| 9 | 1, 8 | tgioo 22599 |
1
|
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