Theorem nfrn 4792

Description: Bound-variable hypothesis builder for range. (Contributed by NM, 1-Sep-1999.) (Revised by Mario Carneiro, 15-Oct-2016.)

Hypothesis

Ref	Expression
nfrn.1	|- F/_ x A

Assertion

Ref	Expression
nfrn	|- F/_ x ran A

Proof of Theorem nfrn

Step	Hyp	Ref	Expression
1		df-rn 4558	. 2 |- ran A = dom `' A
2		nfrn.1	. . . 4 |- F/_ x A
3	2	nfcnv 4726	. . 3 |- F/_ x `' A
4	3	nfdm 4791	. 2 |- F/_ x dom `' A
5	1, 4	nfcxfr 2279	1 |- F/_ x ran A

Syntax hints:   F/_wnfc 2269   `'ccnv 4546   dom cdm 4547   ran crn 4548

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 699  ax-5 1424  ax-7 1425  ax-gen 1426  ax-ie1 1470  ax-ie2 1471  ax-8 1483  ax-10 1484  ax-11 1485  ax-i12 1486  ax-bndl 1487  ax-4 1488  ax-17 1507  ax-i9 1511  ax-ial 1515  ax-i5r 1516  ax-ext 2122

This theorem depends on definitions:  df-bi 116  df-3an 965  df-tru 1335  df-nf 1438  df-sb 1737  df-clab 2127  df-cleq 2133  df-clel 2136  df-nfc 2271  df-v 2691  df-un 3080  df-sn 3538  df-pr 3539  df-op 3541  df-br 3938  df-opab 3998  df-cnv 4555  df-dm 4557  df-rn 4558

This theorem is referenced by:  nfima  4897  nff  5277  nffo  5352  fliftfun  5705  nfseq  10259