File: dest_exists.doc

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\DOC dest_exists

\TYPE {dest_exists : (term -> (term # term))}

\SYNOPSIS
Breaks apart an existentially quantified term into quantified variable and body.

\DESCRIBE
{dest_exists} is a term destructor for existential quantification:
{dest_exists "?var. t"} returns {("var","t")}.

\FAILURE
Fails with {dest_exists} if term is not an existential quantification.

\SEEALSO
mk_exists, is_exists, strip_exists.

\ENDDOC