--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/doc-src/Tutorial/Misc/ConstDefs.thy Wed Aug 26 17:27:27 1998 +0200
@@ -0,0 +1,6 @@
+ConstDefs = Types +
+constdefs nand :: gate
+ "nand A B == ~(A & B)"
+ exor :: gate
+ "exor A B == A & ~B | ~A & B"
+end