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Definition df-v 2967
Description: Define the universal class. Definition 5.20 of [TakeutiZaring] p. 21. Also Definition 2.9 of [Quine] p. 19. (Contributed by NM, 5-Aug-1993.)
Assertion
Ref Expression
df-v

Detailed syntax breakdown of Definition df-v
StepHypRef Expression
1 cvv 2965 . 2
2 vx . . . 4
32, 2weq 1655 . . 3
43, 2cab 2429 . 2
51, 4wceq 1654 1
Colors of variables: wff set class
This definition is referenced by:  vex  2968  int0  4093  ruv  7617  foo3  23997  domep  25524  elnev  27794
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