Definition df-range 31975

Description: Define the range function. See brrange 32041 for its value. (Contributed by Scott Fenton, 11-Apr-2014.)

Assertion

Ref	Expression
df-range	⊢ Range = Image(2nd ↾ (V × V))

Detailed syntax breakdown of Definition df-range

Step	Hyp	Ref	Expression
1		crange 31951	. 2 class Range
2		c2nd 7167	. . . 4 class 2nd
3		cvv 3200	. . . . 5 class V
4	3, 3	cxp 5112	. . . 4 class (V × V)
5	2, 4	cres 5116	. . 3 class (2nd ↾ (V × V))
6	5	cimage 31947	. 2 class Image(2nd ↾ (V × V))
7	1, 6	wceq 1483	1 wff Range = Image(2nd ↾ (V × V))

This definition is referenced by:  brrange  32041