2 | 27. v:vc{i:l}().
v < *vc_imp(mk_imp(A.init, I))* > ( a:dec(). a A.da & v = ioa_trans(A;a.lbl;I))

vc_mng(v;rho;A.ds;A.da;de;e;x;mk_trace_env(l, te)) 28. act ( [[A.da]] rho) 29. vc_mng(ioa_trans(A;kind(act);I);rho;A.ds;A.da;de;e;x;mk_trace_env(l, te)) [[wp(A;kind(act);I)]] rho A.ds dec_lookup(A.da;kind(act)) de e x value(act) tappend(mk_trace_env(l, te);act) |