Definitions | vartype(i;x), f(x)?z, IdDeq, Top, valtype(e), P Q, locl(a), (state when e), val(e), e@i. P(e), x:A. B(x), E, P & Q, e c e', P Q, Knd, kind(e), rcv(l,tg), e e' , sender(e), A & B, s = t, Id, loc(e), source(l), x:A. B(x), A, f(a), state after e |