doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Mon, 28 Jan 2002 18:51:48 +0100
changeset 12858 6214f03d6d27
parent 5377 efb799c5ed3c
permissions -rw-r--r--
GPLed;

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