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Definition df-tset 16574
Description: Define the topology component of a topological space (structure). (Contributed by NM, 4-Sep-2011.) (Revised by Mario Carneiro, 14-Aug-2015.)
Assertion
Ref Expression
df-tset TopSet = Slot 9

Detailed syntax breakdown of Definition df-tset
StepHypRef Expression
1 cts 16561 . 2 class TopSet
2 c9 11688 . . 3 class 9
32cslot 16472 . 2 class Slot 9
41, 3wceq 1528 1 wff TopSet = Slot 9
Colors of variables: wff setvar class
This definition is referenced by:  tsetndx  16649  tsetid  16650  resstset  16655  oppgtset  18420  mgptset  19178  sratset  19887  eltpsg  21481  indistpsALT  21551  resstopn  21724  nrgtrg  23228
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