Nearby theorems
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| Mirrors > Home > ILE Home > Th. List > df-tset | 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 |
 TopSet  Slot  |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cts 12486 |
. 2
TopSet | |
| 2 | c9 8936 |
. . 3
| |
| 3 | 2 | cslot 12415 |
. 2
Slot |
| 4 | 1, 3 | wceq 1348 |
1
 TopSet Slot |
| Colors of variables: wff set class |
| This definition is referenced by: tsetndx 12566 tsetid 12567 tsetslid 12568 eltpsg 12832 |
| Copyright terms: Public domain | W3C validator |