diff -r 08519594b0e4 -r a7b603bbc1e6 doc-src/Tutorial/Misc/ConstDefs.thy
--- a/doc-src/Tutorial/Misc/ConstDefs.thy	Mon Nov 29 11:18:16 2004 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,6 +0,0 @@
-ConstDefs = Types +
-constdefs nand :: gate
-         "nand A B == ~(A & B)"
-          exor :: gate
-         "exor A B == A & ~B | ~A & B"
-end