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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 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cts 12701 |
. 2
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2 | c9 9040 |
. . 3
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3 | 2 | cslot 12617 |
. 2
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4 | 1, 3 | wceq 1364 |
1
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Colors of variables: wff set class |
This definition is referenced by: tsetndx 12803 tsetid 12804 tsetslid 12805 eltpsg 14208 |
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