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Theorem nfima 6041
Description: Bound-variable hypothesis builder for image. (Contributed by NM, 30-Dec-1996.) (Proof shortened by Andrew Salmon, 27-Aug-2011.)
Hypotheses
Ref Expression
nfima.1 𝑥𝐴
nfima.2 𝑥𝐵
Assertion
Ref Expression
nfima 𝑥(𝐴𝐵)

Proof of Theorem nfima
StepHypRef Expression
1 df-ima 5653 . 2 (𝐴𝐵) = ran (𝐴𝐵)
2 nfima.1 . . . 4 𝑥𝐴
3 nfima.2 . . . 4 𝑥𝐵
42, 3nfres 5954 . . 3 𝑥(𝐴𝐵)
54nfrn 5918 . 2 𝑥ran (𝐴𝐵)
61, 5nfcxfr 2890 1 𝑥(𝐴𝐵)
Colors of variables: wff setvar class
Syntax hints:  wnfc 2877  ran crn 5641  cres 5642  cima 5643
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2702
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-clab 2709  df-cleq 2722  df-clel 2804  df-nfc 2879  df-rab 3409  df-v 3452  df-dif 3919  df-un 3921  df-in 3923  df-ss 3933  df-nul 4299  df-if 4491  df-sn 4592  df-pr 4594  df-op 4598  df-br 5110  df-opab 5172  df-xp 5646  df-cnv 5648  df-dm 5650  df-rn 5651  df-res 5652  df-ima 5653
This theorem is referenced by:  nfimad  6042  csbima12  6052  nfpred  6281  nfsup  9408  nfoi  9473  nfseq  13982  gsum2d2  19910  ptbasfi  23474  mbfposr  25559  itg1climres  25621  limciun  25801  nfseqs  28187  funimass4f  32567  poimirlem16  37625  poimirlem19  37628  aomclem8  43043  areaquad  43198  nfcoll  44238  binomcxplemdvbinom  44335  binomcxplemdvsum  44337  binomcxplemnotnn0  44338  rfcnpre1  45006  rfcnpre2  45018  smfpimcc  46799
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