is_res_abstract

res_quanLib.is_res_abstract : term -> bool

Tests a term to see if it is a restricted abstraction.

is_res_abstract "\var::P. t" returns true. If the term is not a restricted abstraction the result is false.

Failure

Never fails.

See also

res_quanLib.mk_res_abstract, res_quanLib.dest_res_abstract