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Theorem nfcrii 2171
 Description: Consequence of the not-free predicate. (Contributed by Mario Carneiro, 11-Aug-2016.)
Hypothesis
Ref Expression
nfcri.1
Assertion
Ref Expression
nfcrii
Distinct variable group:   ,
Allowed substitution hints:   (,)

Proof of Theorem nfcrii
Dummy variable is distinct from all other variables.
StepHypRef Expression
1 nfcri.1 . . . 4
2 nfcr 2170 . . . 4
31, 2ax-mp 7 . . 3
43nfri 1412 . 2
54hblem 2145 1
 Colors of variables: wff set class Syntax hints:   wi 4  wal 1241  wnf 1349   wcel 1393  wnfc 2165 This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-io 630  ax-5 1336  ax-7 1337  ax-gen 1338  ax-ie1 1382  ax-ie2 1383  ax-8 1395  ax-10 1396  ax-11 1397  ax-i12 1398  ax-bndl 1399  ax-4 1400  ax-17 1419  ax-i9 1423  ax-ial 1427  ax-i5r 1428  ax-ext 2022 This theorem depends on definitions:  df-bi 110  df-nf 1350  df-sb 1646  df-cleq 2033  df-clel 2036  df-nfc 2167 This theorem is referenced by:  nfcri  2172
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