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Definition df-tset 15729
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 15716 . 2 class TopSet
2 c9 10920 . . 3 class 9
32cslot 15636 . 2 class Slot 9
41, 3wceq 1474 1 wff TopSet = Slot 9
Colors of variables: wff setvar class
This definition is referenced by:  tsetndx  15805  tsetid  15806  resstset  15811  oppgtset  17547  mgptset  18262  sratset  18947  eltpsg  20498  indistpsALT  20565  resstopn  20738  nrgtrg  22233
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