Definitions | t T, x:A. B(x), A, P  Q,  b, , Prop, False, x:A B(x), x:A B(x), P & Q, P  Q, Unit, left+right, state@i, x:A. B(x), x:T>>a, E, A & B, P Q, Void, e e' , P  Q, (e <loc e'), Type, AtomFree(T;x), val(e), valtype(e), isrcv(e), es-init(es;e), {T}, (state when e), A/x,y. B(x;y), 1of(t), ES, Atom$n, WellFnd{i}(A;x,y.R(x;y)), i >> a, <a,b>, SQType(T), s ~ t, e sends a, (e < e'), sender(e), Dec(P), x.A(x),  x. t(x), e receives a, loc(e), pred(e), Id, s = t, first(e), b, lexpr{i} |