3 | | | Thm* rho:Decl, ds,daa:Collection(dec()), da1:Collection(SimpleType), de:sig(), s:{[[ds]] rho}, e:{[[de]] rho}, tr:trace_env([[daa]] rho), r:rel(). closed_rel(r)  tc(r;ds;da1;de)  trace_consistent_rel(rho;daa;tr.proj;r)  [[r]] rho ds da1 de e s tr Prop | [rel_mng_wf_closed] |