--- a/src/HOL/Matrix/MatrixGeneral.thy Mon Oct 11 07:39:19 2004 +0200
+++ b/src/HOL/Matrix/MatrixGeneral.thy Mon Oct 11 07:42:22 2004 +0200
@@ -1064,7 +1064,7 @@
apply (induct m, simp)
apply (simp)
apply (insert tworows)
- apply (drule_tac x="% j i. (if j = 0 then (foldseq_transposed g (\<lambda>u. A u i) na) else (A (Suc na) i))" in spec)
+ apply (drule_tac x="% j i. (if j = 0 then (foldseq_transposed g (\<lambda>u. A u i) m) else (A (Suc m) i))" in spec)
by (simp add: foldmatrix_def foldmatrix_transposed_def)
qed