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Definition df-cnvk 4186
Description: Define the Kuratowski converse. (Contributed by SF, 12-Jan-2015.)
Assertion
Ref Expression
df-cnvk k
Distinct variable group:   ,,,

Detailed syntax breakdown of Definition df-cnvk
StepHypRef Expression
1 cA . . 3
21ccnvk 4175 . 2 k
3 vx . . . . . . . 8
43cv 1641 . . . . . . 7
5 vy . . . . . . . . 9
65cv 1641 . . . . . . . 8
7 vz . . . . . . . . 9
87cv 1641 . . . . . . . 8
96, 8copk 4057 . . . . . . 7
104, 9wceq 1642 . . . . . 6
118, 6copk 4057 . . . . . . 7
1211, 1wcel 1710 . . . . . 6
1310, 12wa 358 . . . . 5
1413, 7wex 1541 . . . 4
1514, 5wex 1541 . . 3
1615, 3cab 2339 . 2
172, 16wceq 1642 1 k
Colors of variables: wff setvar class
This definition is referenced by:  cnvkeq  4215  opkelcnvkg  4249  cnvkssvvk  4275
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