doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Wed, 09 Jun 2004 18:51:16 +0200
changeset 14895 b9cc12a91fd3
parent 5377 efb799c5ed3c
permissions -rw-r--r--
updated/tuned identifier syntax;

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