--- a/src/HOL/Library/Sum_of_Squares/positivstellensatz_tools.ML Fri Mar 06 14:01:08 2015 +0100
+++ b/src/HOL/Library/Sum_of_Squares/positivstellensatz_tools.ML Fri Mar 06 15:58:56 2015 +0100
@@ -114,7 +114,7 @@
val parse_id = Scan.one Symbol.is_letter ::: Scan.many Symbol.is_letdig >> implode
fun parse_varpow ctxt = parse_id -- Scan.optional (str "^" |-- nat) 1 >>
- (fn (x, k) => (Proof_Context.cterm_of ctxt (Free (x, @{typ real})), k))
+ (fn (x, k) => (Thm.cterm_of ctxt (Free (x, @{typ real})), k))
fun parse_monomial ctxt = repeat_sep "*" (parse_varpow ctxt) >>
(fn xs => fold FuncUtil.Ctermfunc.update xs FuncUtil.Ctermfunc.empty)