;;; $Id: ch5-3-expressed-value.def,v 1.1 1998/10/16 03:04:55 leavens Exp $ trustme! (defrep Expressed-Value datum) (deftype number->expressed (-> (number) Expressed-Value)) (deftype expressed->number (-> (Expressed-Value) number)) (deftype procedure->expressed (-> (Procedure) Expressed-Value)) (deftype expressed->procedure (-> (Expressed-Value) Procedure)) (deftype denoted->expressed (-> (Denoted-Value) Expressed-Value)) (deftype expressed->denoted (-> (Expressed-Value) Denoted-Value))