| Definitions |  x:A. B(x), P   Q,  A, R-state(R;i), A || B, Prop, {T},   x. t(x), t  T, Top, if b t else f fi, 1of(t), p  q, false, Y, True, Rplus?(x1), P & Q, Rplus-left(x1), Rplus-right(x1), Rnone?(x1), R-loc(R), Rds(R), Rda(R), p = q, R-base-domain(R), R-frame-compat(A;B), R-interface-compat(A;B), p  q, i=j, 2of(t), true, Reffect?(x1), Rframe?(x1), Rframe-x(x1), Reffect-x(x1), Reffect-knd(x1), Rframe-L(x1), Raframe?(x1), Raframe-k(x1), Raframe-L(x1), Rrframe?(x1), Rrframe-x(x1), Reffect-ds(x1), Rrframe-L(x1), Rsends?(x1), Rsframe?(x1), Rsframe-lnk(x1), Rsends-l(x1), Rsframe-tag(x1), Rsends-g(x1), Rsends-knd(x1), Rsframe-L(x1), Rbframe?(x1), Rbframe-k(x1), Rbframe-L(x1), Rsends-ds(x1), Rpre?(x1), Rpre-ds(x1), Rpre-a(x1), Rsends-dt(x1), Reffect-T(x1), Rsends-T(x1), P Q, SQType(T), A & B, State(ds),  x:A. B(x), R-Feasible(R),  b, x dom(f), x(s),  , , deq-member(eq;x;L), reduce(f;k;as), False, P  Q, P Q, Unit, DeclaredType(ds;x), f(x)?z,  |