is_res_exists_unique : term -> bool
STRUCTURE
res_quanLib
SYNOPSIS
Tests a term to see if it is a restricted unique existential quantification.
DESCRIPTION
is_res_exists_unique "?!var::P. t" returns true. If the term is not a restricted unique existential quantification the result is false.
FAILURE
Never fails.
SEEALSO
mk_res_exists_unique, dest_res_exists_unique
HOL  Kananaskis-14