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| Mirrors > Home > MPE Home > Th. List > df-tset | Structured version Visualization version Unicode version | ||
| Description: Define the topology component of a topological space (structure). (Contributed by NM, 4-Sep-2011.) (Revised by Mario Carneiro, 14-Aug-2015.) |
| Ref | Expression |
|---|---|
| df-tset |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cts 15947 |
. 2
| |
| 2 | c9 11077 |
. . 3
| |
| 3 | 2 | cslot 15856 |
. 2
|
| 4 | 1, 3 | wceq 1483 |
1
|
| Colors of variables: wff setvar class |
| This definition is referenced by: tsetndx 16040 tsetid 16041 resstset 16046 oppgtset 17782 mgptset 18497 sratset 19184 eltpsg 20747 indistpsALT 20817 resstopn 20990 nrgtrg 22494 |
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