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Theorem exlimi 1463
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 1389 . 2 (ψxψ)
3 exlimi.2 . 2 (φψ)
42, 3exlimih 1462 1 (xφψ)
Colors of variables: wff set class
Syntax hints:  wi 4  wnf 1325  wex 1358
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-gen 1314  ax-ie2 1360  ax-4 1377
This theorem depends on definitions:  df-bi 110  df-nf 1326
This theorem is referenced by:  19.36i  1540  euexex  1963  ceqsex  2565  sbhypf  2576  vtoclgf  2585  vtoclef  2599  copsexg  3951  copsex2g  3953  ralxpf  4405  rexxpf  4406  dmcoss  4524  fv3  5118  tz6.12c  5124  0neqopab  5469  bj-exlimmpi  7156
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