Definition df-v 1787

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 1786	. 2 class V
2		vx	. . . . 5 set x
3	2	cv 1098	. . . 4 class x
4	3, 3	wceq 1099	. . 3 wff x = x
5	4, 2	cab 1440	. 2 class {x | x = x}
6	1, 5	wceq 1099	1 wff V = {x | x = x}

This definition is referenced by:  visset 1788  int0 2515  dmi 3283  fo1st 4029  fo2nd 4030

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