doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Sun, 14 Oct 2001 20:09:19 +0200
changeset 11764 fd780dd6e0b4
parent 5377 efb799c5ed3c
permissions -rw-r--r--
use ObjectLogic;

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