strip_pexists
pairSyntax.strip_pexists : term -> term list * term
Iteratively breaks apart paired existential quantifications.
strip_pexists "?p1 ... pn. t"
returns
([p1,...,pn],t)
. Note that
strip_pexists(list_mk_pexists([[p1,...,pn],t))
will not return ([p1,...,pn],t)
if t
is a
paired existential quantification.
Never fails.