Definitions | P & Q, x:A. B(x), sorted(L), ( x L.P(x)), t T, x:A. B(x), b, A, Prop, P  Q, (x l),  x. t(x), P  Q, {i..j }, False, ||as||, i j < k, A B, l[i], P  Q, Unit, true , priority-select(f;g;as), , S T, no_repeats(T;l), , P Q, Dec(P), A & B, {T}, SQType(T) |