doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Sat, 13 Oct 2001 21:46:53 +0200
changeset 11746 9bf11f1de9d6
parent 5377 efb799c5ed3c
permissions -rw-r--r--
updated;

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