doc-src/Tutorial/ToyList/qed2
author ballarin
Sat, 10 Feb 2001 08:49:36 +0100
changeset 11092 69c1abb9a129
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Definition of setsum (sort constraint) relaxed to {zero, plus}.

qed "app_Nil2";