Theorem elrn 4981

Description: Membership in a range. (Contributed by NM, 2-Apr-2004.)

Hypothesis

Ref	Expression
elrn.1	|- A e. _V

Assertion

Ref	Expression
elrn	|- ( A e. ran B <-> E. x x B A )

Distinct variable groups:   x, A   x, B

Proof of Theorem elrn

Step	Hyp	Ref	Expression
1		elrn.1	. . 3 |- A e. _V
2	1	elrn2 4980	. 2 |- ( A e. ran B <-> E. x <. x , A >. e. B )
3		df-br 4094	. . 3 |- ( x B A <-> <. x , A >. e. B )
4	3	exbii 1654	. 2 |- ( E. x x B A <-> E. x <. x , A >. e. B )
5	2, 4	bitr4i 187	1 |- ( A e. ran B <-> E. x x B A )

Syntax hints:   <-> wb 105   E.wex 1541   e. wcel 2202   _Vcvv 2803   <.cop 3676   class class class wbr 4093   ran crn 4732

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-14 2205  ax-ext 2213  ax-sep 4212  ax-pow 4270  ax-pr 4305

This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-v 2805  df-un 3205  df-in 3207  df-ss 3214  df-pw 3658  df-sn 3679  df-pr 3680  df-op 3682  df-br 4094  df-opab 4156  df-cnv 4739  df-dm 4741  df-rn 4742

This theorem is referenced by:  dmcosseq  5010  rnco  5250  dffo4  5803  rntpos  6466  fclim  11934  dvfgg  15499