Definitions | x:A. B(x), , P  Q, ecl-halt(ds;da;x), False, Prop, P  Q, t T,  x. t(x), P & Q, x:A. B(x), A, P Q, A B, P  Q, event-info(ds;da), Valtype(da;k), let x,y,z = a in t(x;y;z), A & B, SQType(T), {T}, x(s), ||as||, Y, as @ bs, Dec(P), star-append(T;P;Q), ( x L.P(x)) |