1 | 23. as: (Label Term) List 24. 1of(unzip(as)) = rel_primed_vars(r) 25. i: . i < ||as||  2of(as[i]) smts_eff(action_effect(kind(a);A.eff;A.frame);1of(as[i])) 26. r' = rel_subst2(as;r) 27. tc(r;A.ds;dec_lookup(A.da;kind(a));de) tc(rel_subst2(as;r);A.ds;dec_lookup(A.da;kind(a));de) & trace_consistent_rel(rho;A.da;tr.proj;rel_subst2(as;r)) & ([[rel_subst2(as;r)]] rho A.ds dec_lookup(A.da;kind(a)) de e s value(a) tr  rel_mng_2(r; rho; A.ds; dec_lookup(A.da;kind(a)); de; e; s; x'; value(a); tr)) |