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Theorem nfrecs 8343
Description: Bound-variable hypothesis builder for recs. (Contributed by Stefan O'Rear, 18-Jan-2015.)
Hypothesis
Ref Expression
nfrecs.f 𝑥𝐹
Assertion
Ref Expression
nfrecs 𝑥recs(𝐹)

Proof of Theorem nfrecs
StepHypRef Expression
1 df-recs 8340 . 2 recs(𝐹) = wrecs( E , On, 𝐹)
2 nfcv 2891 . . 3 𝑥 E
3 nfcv 2891 . . 3 𝑥On
4 nfrecs.f . . 3 𝑥𝐹
52, 3, 4nfwrecs 8293 . 2 𝑥wrecs( E , On, 𝐹)
61, 5nfcxfr 2889 1 𝑥recs(𝐹)
Colors of variables: wff setvar class
Syntax hints:  wnfc 2876   E cep 5537  Oncon0 6332  wrecscwrecs 8290  recscrecs 8339
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 2701
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 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ral 3045  df-rex 3054  df-rab 3406  df-v 3449  df-dif 3917  df-un 3919  df-in 3921  df-ss 3931  df-nul 4297  df-if 4489  df-sn 4590  df-pr 4592  df-op 4596  df-uni 4872  df-br 5108  df-opab 5170  df-xp 5644  df-cnv 5646  df-co 5647  df-dm 5648  df-rn 5649  df-res 5650  df-ima 5651  df-pred 6274  df-iota 6464  df-fv 6519  df-ov 7390  df-frecs 8260  df-wrecs 8291  df-recs 8340
This theorem is referenced by:  nfrdg  8382  nfoi  9467  aomclem8  43050
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