Definition df-v 1349

Description: Define the universal class. Definition 5.20 of [TakeutiZaring] p. 21.

Assertion

Ref	Expression
df-v	|- V = {x | x = x}

Detailed syntax breakdown of Definition df-v

Step	Hyp	Ref	Expression
1		cvv 1348	. 2 class V
2		vx	. . . 4 set x
3	2, 2	weq 797	. . 3 wff x = x
4	3, 2	cab 1090	. 2 class {x | x = x}
5	1, 4	wceq 1091	1 wff V = {x | x = x}

This definition is referenced by:  visset 1350  int0 1978  dmi 2545  fo1st 3094  fo2nd 3095

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