doc-src/Tutorial/Misc/constdefs

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc-src/Tutorial/Misc/constdefs	Wed Aug 26 17:27:27 1998 +0200
@@ -0,0 +1,4 @@
+constdefs nand :: gate
+         "nand A B == ~(A & B)"
+          exor :: gate
+         "exor A B == A & ~B | ~A & B"