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Theorem frn 5228

Description: The range of a mapping. (Contributed by set.mm contributors, 3-Aug-1994.)

**Assertion**
Ref	Expression
frn

**Proof of Theorem frn**
Step	Hyp	Ref	Expression
1		df-f 4791	. 2 $/\$
2	1	simprbi 450	1

Colors of variables: wff setvar class

Syntax hints:

wi 4

wss 3257

crn 4773

wfn 4776

wf 4777

This theorem was proved from axioms: ax-1 5 ax-2 6 ax-3 7 ax-mp 8

This theorem depends on definitions: df-bi 177 df-an 360 df-f 4791

This theorem is referenced by: fssxp 5232 fcoi2 5241 fcnvres 5243 fimacnvdisj 5244 f00 5249 foconst 5280 fun11iun 5305 fimacnv 5411 ffvelrn 5415 fnfvrnss 5429 map0b 6024 mapsn 6026 enprmaplem3 6078 dflec3 6221