Definitions | x:A. B(x), P  Q, ecl-machine2(i;ds;da;x;T;ks;a;upd), ecl-machine3(ds;da;x;T;ks;a;snd), t T,  x. t(x), Prop, SQType(T), {T}, State(ds), if b t else f fi, f(x)?z, 1of(t), 2of(t),  x,y. t(x;y), Top, true , false , Valtype(da;k), S T, S T, P  Q, x(s), P & Q, P  Q, A, update-spec-decl(upd;ds), False, update-spec(ds;da), , x(s1,s2), Unit, Knd,  |