Definitions | {x:A| B(x)} , x:A B(x), a < b, void, False, A, , x:A. B(x), SWellFounded(R(x;y)), Type, Id, IdLnk, Unit, left + right,  x,y. t(x;y),  x. t(x), kindcase(k; a.f(a); l,t.g(l;t)), Knd, kind(e), rationals, pred(e), s = t, prop{i:l}, first(e), b, pred!(e;e'), ge(i; j), #$n, -n, n + m, n - m, f(a), when-after(e;info;pred?;init;Trans;val;time), loc(e), EState(T), x:A B(x), t T, A B, P  Q, x:A. B(x), ,  b, , P Q, P   Q, x.A(x), s+r, <a, b>, let x = a in b(x), sender(e), rcv?(e), A c B, P Q, r - s, guard(T), sq_type(T), sqequal(s; t), atom{$n:n} |