doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Wed, 05 Apr 2000 21:02:31 +0200
changeset 8671 6ce91a80f616
parent 5377 efb799c5ed3c
permissions -rw-r--r--
HEADGOAL;

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