let term_to_refine =
C.MutCase (uri,typeno,outtype,term,patterns)
in
-prerr_endline (CicMetaSubst.ppterm_in_context ~metasenv:metasenv' [] term_to_refine context);
let refined_term,_,metasenv'',_ =
CicRefine.type_of_aux' metasenv' context term_to_refine
CicUniv.empty_ugraph