PEXISTENCE : (thm -> thm)
STRUCTURE
LIBRARY
pair
SYNOPSIS
Deduces paired existence from paired unique existence.
DESCRIPTION
When applied to a theorem with a paired unique-existentially quantified conclusion, EXISTENCE returns the same theorem with normal paired existential quantification over the same pair.
    A |- ?!p. t
   -------------  PEXISTENCE
    A |- ?p. t

FAILURE
Fails unless the conclusion of the theorem is a paired unique-existential quantification.
SEEALSO
HOL  Kananaskis-10