doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Mon, 13 May 2002 10:40:59 +0200
changeset 13141 f4ed10eaaff8
parent 5377 efb799c5ed3c
permissions -rw-r--r--
updated X-Symbol URL;

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