# HG changeset patch # User nipkow # Date 1371632074 -7200 # Node ID 7cc3f42930f3899939f898dc7fd200816d6dca2b # Parent fe33d456b36c759be3a266927921a8e80993e6f9 tuned diff -r fe33d456b36c -r 7cc3f42930f3 src/HOL/IMP/Denotational.thy --- a/src/HOL/IMP/Denotational.thy Wed Jun 19 10:14:50 2013 +0200 +++ b/src/HOL/IMP/Denotational.thy Wed Jun 19 10:54:34 2013 +0200 @@ -12,7 +12,7 @@ fun D :: "com \ com_den" where "D SKIP = Id" | "D (x ::= a) = {(s,t). t = s(x := aval a s)}" | -"D (c0;;c1) = D(c0) O D(c1)" | +"D (c1;;c2) = D(c1) O D(c2)" | "D (IF b THEN c1 ELSE c2) = {(s,t). if bval b s then (s,t) \ D c1 else (s,t) \ D c2}" | "D (WHILE b DO c) = lfp (W b (D c))"