| Definitions |  x:A. B(x), P   Q, A & B, t  T, A B,  A, False, i j, R-size(R),  b, Rplus?(x1), Prop,   x. t(x), false, true, if b t else f fi, True, x,y,z,w. t(x;y;z;w), x,y,z. t(x;y;z), x,y,z,u,v,w. t(x;y;z;u;v;w), x,y,z,w,v. t(x;y;z;w;v), [[R]], SQType(T), {T}, A || B, Y,   , , Dec(P), P  Q, Realizer, Unit, x(s), x(s1,s2,s3,s4), x(s1,s2,s3), x(a,b,c,d,e,f), x(s1,s2,s3,s4,s5), R-Feasible(R), P & Q, P  Q, Rplus-left(x1), Rplus-right(x1), Rnone?(x1),  ,  , , left  right, @loc x initially v:T, @loc only events in L change x:T, only events in L send on lnk with tag, @loc effect knd(v:T) x := f State(ds) v , sends knd(v:T) on l:tagged(g,State(ds),v):dt, @loc precondition for a(v:T):P State(ds) v, @loc: k writes only members of L, @loc: k sends only on links in L, @loc: only members of L read x |