Definitions | False, A, A B, ge(i; j), P Q, t T, x:A. B(x), P Q, lelt(i; j; k), suptype(S; T), subtype(S; T), int_seg(i; j), ff, tt, if b then t else f fi , Y, primrec(n; b; c), mklist(n; f), prop{i:l}, , P Q, P Q, guard(T), sq_type(T), t ...$L, ||as||, i <z j, b, i z j, nth_tl(n;as), hd(l), l[i], Unit, , P Q, decidable(P), |