is_res_exists

res_quanLib.is_res_exists : term -> bool

Tests a term to see if it is a restricted existential quantification.

is_res_exists "?var::P. t" returns true. If the term is not a restricted existential quantification the result is false.

Failure

Never fails.

See also

res_quanLib.mk_res_exists, res_quanLib.dest_res_exists