doc-src/Tutorial/Misc/NatSum.ML
author paulson
Fri, 11 Dec 1998 10:41:53 +0100
changeset 6024 cb87f103d114
parent 5377 efb799c5ed3c
permissions -rw-r--r--
new Close_locale synatx

Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);