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Definition df-rn 4786
Description: Define the range of a class. The notation "ran " is used by Enderton; other authors sometimes use script R or script W. (Contributed by SF, 5-Jan-2015.)
Assertion
Ref Expression
df-rn ran A = (A “ V)

Detailed syntax breakdown of Definition df-rn
StepHypRef Expression
1 cA . . 3 class A
21crn 4773 . 2 class ran A
3 cvv 2859 . . 3 class V
41, 3cima 4722 . 2 class (A “ V)
52, 4wceq 1642 1 wff ran A = (A “ V)
Colors of variables: wff setvar class
This definition is referenced by:  elrn  4896  rneq  4956  nfrn  4963  rnexg  5104
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