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Theorem exlimi 1482
Description: Inference from Theorem 19.23 of [Margaris] p. 90. (Contributed by Mario Carneiro, 24-Sep-2016.)
Hypotheses
Ref Expression
exlimi.1 xψ
exlimi.2 (φψ)
Assertion
Ref Expression
exlimi (xφψ)

Proof of Theorem exlimi
StepHypRef Expression
1 exlimi.1 . . 3 xψ
21nfri 1409 . 2 (ψxψ)
3 exlimi.2 . 2 (φψ)
42, 3exlimih 1481 1 (xφψ)
Colors of variables: wff set class
Syntax hints:  wi 4  wnf 1346  wex 1378
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-gen 1335  ax-ie2 1380  ax-4 1397
This theorem depends on definitions:  df-bi 110  df-nf 1347
This theorem is referenced by:  19.36i  1559  euexex  1982  ceqsex  2586  sbhypf  2597  vtoclgf  2606  vtoclef  2620  copsexg  3972  copsex2g  3974  ralxpf  4425  rexxpf  4426  dmcoss  4544  fv3  5140  tz6.12c  5146  0neqopab  5492  bj-exlimmpi  9225
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