doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Wed, 03 Oct 2001 21:03:05 +0200
changeset 11659 a68f930bafb2
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Tools/induct_attrib.ML now part of Pure;

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