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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 X. _V ) )
Detailed syntax breakdown of Definition df-range
StepHypRef Expression
1 crange 31951 . 2 class Range
2 c2nd 7167 . . . 4 class 2nd
3 cvv 3200 . . . . 5 class _V
43, 3cxp 5112 . . . 4 class ( _V X. _V )
52, 4cres 5116 . . 3 class ( 2nd |` ( _V X. _V ) )
65cimage 31947 . 2 class Image ( 2nd |` ( _V X. _V ) )
71, 6wceq 1483 1 wff Range = Image ( 2nd |` ( _V X. _V ) )
Colors of variables: wff setvar class
This definition is referenced by:  brrange  32041
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