doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Wed, 09 Jan 2002 14:25:17 +0100
changeset 12683 99c662efd2fd
parent 5377 efb799c5ed3c
permissions -rw-r--r--
tuned;

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