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Theorem nfcrd 2895
Description: Consequence of the not-free predicate. (Contributed by Mario Carneiro, 11-Aug-2016.)
Hypothesis
Ref Expression
nfcrd.1 (𝜑𝑥𝐴)
Assertion
Ref Expression
nfcrd (𝜑 → Ⅎ𝑥 𝑦𝐴)
Distinct variable group:   𝑥,𝑦
Allowed substitution hints:   𝜑(𝑥,𝑦)   𝐴(𝑥,𝑦)

Proof of Theorem nfcrd
StepHypRef Expression
1 nfcrd.1 . 2 (𝜑𝑥𝐴)
2 nfcr 2891 . 2 (𝑥𝐴 → Ⅎ𝑥 𝑦𝐴)
31, 2syl 17 1 (𝜑 → Ⅎ𝑥 𝑦𝐴)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wnf 1790  wcel 2119  wnfc 2886
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1974  ax-7 2015  ax-8 2121
This theorem depends on definitions:  df-bi 208  df-an 397  df-ex 1787  df-nf 1791  df-clel 2814  df-nfc 2888
This theorem is referenced by:  nfeld  2912  dvelimdc  2925  nfraldw  3284  nfcsbd  3856  nfcsbw  3857  nfifd  4484  nfdisjw  5051  axextnd  10505  axrepndlem1  10506  axunndlem1  10509  axregnd  10518  nfchnd  18568  axsepg3  35322  axsepg3ALT  35323  axsepg5  35325  axextdist  36025  nfintd  50163  nfiund  50164  nfiundg  50165
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