doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Tue, 11 May 1999 18:18:37 +0200
changeset 6635 f81b9b4c3265
parent 5377 efb799c5ed3c
permissions -rw-r--r--
fixed msg;

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