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Theorem exlimdd 1913
 Description: Existential elimination rule of natural deduction. (Contributed by Mario Carneiro, 9-Feb-2017.)
Hypotheses
Ref Expression
exlimdd.1
exlimdd.2
exlimdd.3
exlimdd.4
Assertion
Ref Expression
exlimdd

Proof of Theorem exlimdd
StepHypRef Expression
1 exlimdd.3 . 2
2 exlimdd.1 . . 3
3 exlimdd.2 . . 3
4 exlimdd.4 . . . 4
54ex 425 . . 3
62, 3, 5exlimd 1825 . 2
71, 6mpd 15 1
 Colors of variables: wff set class Syntax hints:   wi 4   wa 360  wex 1551  wnf 1554 This theorem is referenced by:  fvmptdf  5817  ovmpt2df  6206  ex-natded9.26  21728  stoweidlem43  27769  stoweidlem44  27770  stoweidlem54  27780 This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1556  ax-5 1567  ax-17 1627  ax-9 1667  ax-8 1688  ax-6 1745  ax-11 1762 This theorem depends on definitions:  df-bi 179  df-an 362  df-ex 1552  df-nf 1555
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